Aix Hdisk Info

SSA pdisk to Hdisk mappings. choose 2 of the new drives for raid level 1. 3 supports all 32- bit and 64-bit Common Hardware Reference Platform (CHRP)-based IBM Power® hardware. odmget CuDv | grep (Specific Item) -> record the number of items. the parameters are applied in different levels as below: Here are the proper settings in the client at the hdisk level: algorithm=failover reserve_policy=no_reserve hcheck_mode=nonactive. 1 or later) to monitor some of the queues. AIX QuickSheet Version: 2. 1 TL3 /proc procfs pseudo lesystem Remove mount point entry and the LV for /mymount. The AIX installation sees the MPIO capability and install the drivers and creates the vpaths. This will set the default attributes, rw_timeout=60 and queue_depth=2. Understanding resource utilization and the spare capacity is becoming more important than ever. 0 0 0 write: wps avgserv minserv maxserv timeouts fails. off an old boot image that may reside on the disk from which this. First, we identify the NetApp LUNs which will be used for the data volume group migration. Find info on Other Specialty Trade Contractors companies in Aix En Provence, including financial statements, sales and marketing contacts, top competitors, and firmographic insights. IBM AIX Interview Questions with Answers > What does Logical Volume Manager(LVM) mean ? The set of operating system commands, library subroutines and other tools that allow you to establish and control logical volume storage is called the Logical Volume Manager (LVM). I wonder if I could allocate a hdisk prior to the VIOS creation so that I would only consume around 30G. To download the reporting package, click here. The information mentioned regarding potential future offerings is not a commitment, promise, or legal obligation. # bootlist -m normal cd# hdisk# etc. 3 or later (it was used on 5. AIX uses - what for me is - the finest LVM there is. Open Indicates active if LV contains a file system. Replacing an AIX Fixed Disk Page 4 of 13 08/05/01 Identify All LV's Residing on the Defective Disk To list the LV's residing on a disk, run: lspv -l -or-lspv -l Sometimes the hdisk# becomes invalid. To check for discrepancies in the physical volumes defined on each node, obtain a list of all physical volumes known to the systems and compare this list against the list of disks specified in the Disks field of the Command Status panel. lspv|grep None. Also, submitting a snap to IBM for analysis. Check if there is a disk with only one path. The following example shows how to find out which AIX hdisk is using which NetApp LUN. Hello, This blog is for the beginners who is having passion on AIX. PowerHA uses a shared disk to store Cluster Aware AIX (CAA) information. If you really happy about this blog, Kindly leave a comment. rmdev -Rdl hdisk0 4. it will remove all disks but hdisk0. Step-1) Ask storage admin to provide LUNs of specified size to be used as ocr/voting/asm disks. It should be noted that the HBA max_transfer defaults to 1MB (0x100000) and will limit transfers larger than 1MB. 4Viewing mirror pool information The 'lsvg', 'lspv', and 'lslv' commands can be used to view information about mirror pools. 1 livedump /var/adm/ras/livedump New in 6. Once an I/O is built in the JFS2 buffer, it gets queued to the LUN (hdisk). At the server, the hdisk driver has an in-process and a wait queue. Machines can have differential SCSI controllers in them. Thanks to everyone for their help. Or, move/resize the rootvg after the VIOS creation. the "IO Drawer" would be a separate unit. I didn't know that. also want to reboot the system so that quorum will be turned. Permit read/write access, using the following "chmod" commands on both the hdisk and the corresponding character access device rhdisk: chmod 666 hdisk# chmod 666 rhdisk#. AIX native commands are used to obtain more information since the customer has not installed the AIX Host utility kit. All other servicemarks and trademarks are the property of their respective owner. The reserve_policy for each disk must be set to no_reserve on VIO_Server1 and VIO_Server2. When mapping, the virtual target device is created as a child of a vhost adapter. I've actually used AIX about 5 or fewer times in my life. It will take few minutes to complete the installation wait until it is completed. x Hello to all, Im having a new task in a new world (AIX - IBM Servers) I have an IBM Server (Type - 9111-285 very old one) with one Hard disk (73 GB 10 K) with AIX 5. Regardless of the use of DFC Processor devices with DDdfc driver or generic disk devices with AIX hdisk driver, DDBoost over FC devices are not recognized after an DD HA failover and must be reconfigured. fcs1 Available 01-11 FC Adapter. AIX is IBM's Unix implementation, which it develops for a number of its products, notably the IBM SP series. How to cleanup AIX EMC ODM definitions. The following example shows how to find out which AIX hdisk is using which NetApp LUN. To correct this situation we will remove the path and recognize again. This is a wonderful info. Queue_depth for an hdisk (LUN) represents the number of in-flight I/Os that can be outstanding for an hdisk at any given time. All nodes are running AIX. I recall that it's got a volume manager (I think LVM took some inspiration from it) that's fairly baroque, and that probably complicates matters somewhat. 1; Not all filesets for 6100-07_AIX_ML were found; Installing a Interim. Reference Guide for AIX SA23-1323-01. To determine the LUN ID for each of the hdisks I then ran lsattr. The iostat -D command generates output such as: hdisk6 xfer: %tm_act bps tps bread bwrtn 4. [email protected] Now to Find out the WWN Number (Address) of each Adapter, type the following command: # lscfg -vl fcs0. odmget CuDvDr | grep (Specific Item) -> record the number of items. So if you want to completely erase a disk, you can use the following method: 1- Remove the disk from any existing VG # reducevg vg hdisk# 2- Get the disk size (in MB) # bootinfo -s hdisk# OR # bootinfo -s vpath#. This post will describe the replacement of a failed rootvg disk. A Complete practical guide. Thanks to everyone for their help. 3 or later) and sar (5. Capture current output for all disks. To install mksysb image on hdisk1. lspath -l hdisk44 -H -F "name path_id parent connection status" shows many info chpath changing path state (enabbled, disabled) chpath -s enabled -l hdisk -p vscsi0 it will set the path to enabled status rmpath -dl hdiskX -p fcsiY dynamically remove all paths under a parent adapter. crfs -v jfs -m /usr/sharenew -g rootvg -a size=8192. List disk UUID on AIX The command switch displays unique id of disks (UDID) and does the same job as the code I was using before, but in a more handy way. Create the file system. Please check the storage and switches. 3, you can grow your paging space on the fly to whatever size you need, assuming, of course, that you have the necessary free disk space. 1 livedump /var/adm/ras/livedump New in 6. odmget CuDvDr | grep (Specific Item) -> record the number of items. SCSI RAID - Disk Array info procedures. AIX, AIX admin, aix lvm, lvm, hmc, lpar, vio, hacmp, hacmp cluster, nim, aix nim, aix virtual optical device, mksysb backup, nim restore, tl upgrade. NOTE: hdisk must not be in used. Thanks to everyone for their help. One disk is/was damaged beyond repair, or replaced during the process. [email protected]:/ # rmpath -p fscsi2 -d. Bobby Kelley Jr. 3 or later) and sar (5. So if you want to completely erase a disk, you can use the following method: 1- Remove the disk from any existing VG # reducevg vg hdisk# 2- Get the disk size (in MB) # bootinfo -s hdisk# OR # bootinfo -s vpath#. reducevg rootvg hdisk0 3. #chdev -l hdisk1024 -a reserve_lock=no. Missing hdisk31 fscsi2. 1 and AIX 6. Beyond specifying what part of the disk to use when creating a logical volume, there's not much you can do by knowing what part of the disk anything is on, and such information about C, H or S characteristics are is meaningless. At this point, take the recommended actions of clearing the boot. lscfg -vl hdisk. 0 Date: 8/28/9 Filesystems hd1 /home hd2 /usr hd3 /tmp hd4 / root hd5 BLV (Boot Logical Volume) hd6 Paging space hd8 JFS2 log hd9var /var hd10opt /opt hd11admin /admin New in 6. Check if there is a disk with only one path. diag (safely remove hot swap device/drive), physically remove the old disk 5. lslv -p displays the logical volume allocation map for the disk (shows used, free, stale for each physical partition) lslv -p displays the same as above, just the given lv's partitions will be showed by numbers. lsdev | grep hdisk. However, for optimal performance,. I hate to waste 450G of space just for rootvg, especially when it's for VIOS. For example, you may have AIX 7100-03-05 installed, and you attempt to install AIX 7100-04-00. it will remove all disks but hdisk0. 3 or later) and sar (5. AIX Server command: This command will show the NetApp WWPN, AIX hdisk, NetApp. AIX is the UNIX operating system from IBM for RS/6000, pSeries and the latest p5 & p5+ systems. I am trying to determine the LUN IDs of my disks as seen by the Storage admin on the switch. AIX, AIX admin, aix lvm, lvm, hmc, lpar, vio, hacmp, hacmp cluster, nim, aix nim, aix virtual optical device, mksysb backup, nim restore, tl upgrade. The files and information on this site are the property of their respective owner(s). AIX on POWER is a great combination for large Enterprise systems. To correct this situation we will remove the path and recognize again. Sysplanar is the same as backplane or. Storage Array General Recommendations for AIX. odmget CuDep | grep (Specific Item) -> record the number of items. 3? AIX 5L Version 5. reducevg rootvg hdisk0 3. hdisk2 changed. I am a new AIX admin and rootvg is consuming only 30G on 500G disk on VIOS server. Get the VG name residing on a hdisk (perviously exported VG) Renaming a device; IP configuration in AIX; Defining NFSv4 pseudo-root export; NTP Client configuration; List STALE partitions across Volume Groups for each Logical Volume in AIX; Mount CD/DVD & ISO image in AIX 6. so I'd start by running it across every hdisk and building a spreadsheet of the results. After we set the attribute on shared disks with HA solution, we can't see any more that messages. Capture current output for all disks. It is not a driver. 3 or later) and sar (5. x Hello to all, Im having a new task in a new world (AIX - IBM Servers) I have an IBM Server (Type - 9111-285 very old one) with one Hard disk (73 GB 10 K) with AIX 5. lscfg -vl hdisk. This is a wonderful info. odmget CuDep | grep (Specific Item) -> record the number of items. AIX uses - what for me is - the finest LVM there is. Basic ODM Commands: ODM is object database Manager NOTE: VERY IMPORTANT! Use these commands with EXTREME CAUTION!!! You should make backup copies of the individual ODM Class files (CuAt, CuDv, CuDvDr, CuDep,and CuVPD), before you attempt to use these commands. 0516-1734 rmlvcopy: Warning, savebase failed. Shows advanced information on a disk. 3, you can grow your paging space on the fly to whatever size you need, assuming, of course, that you have the necessary free disk space. Once an I/O is built in the JFS2 buffer, it gets queued to the LUN (hdisk). Network and storage: Server TEST011 temporarily had issues with its connection to hdisk5. rmdev -Rdl hdisk0 4. 1 Obtain useful planning information Explore an offering that combines AIX with IBM Tivoli Systems Management Front cover. hd6 hdisk0 rootvg 512MB 97 yes yes lv. 1 livedump /var/adm/ras/livedump New in 6. The information mentioned regarding potential future offerings is not a commitment, promise, or legal obligation. $ chdev -dev hdisk2 -attr reserve_policy=no_reserve. df1000f7 as well. crfs -v jfs -m /usr/sharenew -g rootvg -a size=8192. rte: for 2105 devices. lsdev | grep hdisk. Aix Sports Info. Or, move/resize the rootvg after the VIOS creation. To download the reporting package, click here. Enabled hdisk31 fscsi2. 1 or later) to monitor the hdisk driver queues. Processors,Memory are one of the most significant resources among all the available resources in a system, making processor/ memory utilization a critical metric for measuring the performance. the -d in rmdev command removes the device definition. If you are to permanently stay with one hdisk in rootvg, you will. 3 or later) and sar (5. lspath -l hdisk44 -H -F "name path_id parent connection status" shows many info chpath changing path state (enabbled, disabled) chpath -s enabled -l hdisk -p vscsi0 it will set the path to enabled status rmpath -dl hdiskX -p fcsiY dynamically remove all paths under a parent adapter. At the server, the hdisk driver has an in-process and a wait queue. # varyonvg vgname. choose 2 of the new drives for raid level 1. Once an I/O is built in the JFS2 buffer, it gets queued to the LUN (hdisk). Step-2) Storage team will provide LUN id of disks , we need to run below (as root user) command to discover/detect new disks provided by Storage team. This will set the default attributes, rw_timeout=60 and queue_depth=2. For regular SCSI disks, just use the AIX diagnostics, but for some disk type, AIX Diagnostics don't support them. insert the new disk (diag - hotplug task) 6. Note that the -X flag only removes the volume group place holder for the altinst_rootvg or old_rootvg. Missing hdisk31 fscsi2. diag (safely remove hot swap device/drive), physically remove the old disk 5. lsattr is used in AIX to determine the attributes of a device. The iostat -D command generates output such as: Here, the avgwqsz is the average wait queue size, and avgsqsz is the average service queue size. 4Viewing mirror pool information The 'lsvg', 'lspv', and 'lslv' commands can be used to view information about mirror pools. I tried using lscfg -vl hdisk# and lsattr -El hdisk# but they do not give me that information. ) CAA stores the repository disk related information in the ODM CuAt, as part of the cluster information. IBM AIX Enterprise Edition System Administration Guide Shane Brandon Erin Fitzgerald SeongLul Son Learn about AIX Enterprise Edition based on AIX Version 6. [email protected]:/ # lspath. Tag: aix disk info AIX – Obter tamanho do disco Em ambiente Linux quando se desejar saber os discos que temos no sistema e seu tamanho, utilizamos o comando “fdisk -l“, no AIX essa tarefa é um pouco diferente, abaixo…. It should be noted that the HBA max_transfer defaults to 1MB (0x100000) and will limit transfers larger than 1MB. The 2105/2145/1750/2107 device information allows AIX to: - Identify the hdisk(s) as a 2105/2145/1750/2107 hdisk. Here, we want to see which NetApp LUN is mapped to AIX hdisk6. This new technology builds clustering technologies into the AIX base operating system. Templergraben 55 52062 Aachen Germany. We nearly always use the AIX symbolic name (hdisk#) when administrating AIX systems. lun_id 0x13000000000000 Logical Unit Number ID False. Its PVID is "00c c202 e8f4 ac23 d". To do, type the following command: # lsdev -Cc adapter | grep fcs. AIX incorporates elements of System V, BSD, and OSF/1, but includes enough unique features to make using, and especially administering, AIX somewhat different. All nodes are running AIX. group, disk type, and disk size and produce an html file with the output , and then ftp it to a specific machine. I didn't know that. Now to Find out the WWN Number (Address) of each Adapter, type the following command: # lscfg -vl fcs0. reducevg rootvg hdisk0 3. I've actually used AIX about 5 or fewer times in my life. If you need to deploy large database systems that must service tens of thousands of users (like a big SAP system), then I believe AIX is the perfect OS on which to provide a platform for these large scale systems. But these information are. The information mentioned regarding potential future offerings is not a commitment, promise, or legal obligation. Aix Sports Info. Ecurie Aix Formula Student Team RWTH Aachen e. it generally refers to a discrete portion of the system containing CPU, RAM, etc. Adams Kevin J Sent by: IBM AIX Discussion List 05/30/2003 03:54 PM Please respond to IBM AIX Discussion List To [email protected] IBM AIX Enterprise Edition System Administration Guide Shane Brandon Erin Fitzgerald SeongLul Son Learn about AIX Enterprise Edition based on AIX Version 6. If so, try substituting the PVID for hdisk# (from the lsps command). lsdev | grep hdisk. aix Clone 1 Hard disk fromIBM Intellipoint server with AIX 5. The above output shows all the FC Adapters installed on the AIX server. List disk UUID on AIX The command switch displays unique id of disks (UDID) and does the same job as the code I was using before, but in a more handy way. 3 and above. Remove the other one and run cfgmgr. NOTE: hdisk must not be in used. Open Indicates active if LV contains a file system. Information regarding potential future offerings is intended to outline our general product direction and it should not be relied on in making a purchasing decision. Step-2) Storage team will provide LUN id of disks , we need to run below (as root user) command to discover/detect new disks provided by Storage team. I would need a general way to to this, which works even on SAN disks (SDD and SDDPCM) and simple SCSI disks as well. AIX for System Administrators. I would highly recommend changing the AIX hdisk queue_depth, the default is 3, and should be at least 32 (IMO). Its PVID is "00c c202 e8f4 ac23 d". For regular SCSI disks, just use the AIX diagnostics, but for some disk type, AIX Diagnostics don't support them. fcs0 Available 01-10 FC Adapter. Current disk settings for all disks. Find info on Other Specialty Trade Contractors companies in Aix En Provence, including financial statements, sales and marketing contacts, top competitors, and firmographic insights. I have an AIX 7. The information mentioned regarding potential future offerings is not a commitment, promise, or legal obligation. AIX - Listing CPU, Memory (RAM), Hard disks, IP address. information such as the creation date of the logical volume, information about mirrored copies, and possible mount points in a journaled filesystem. ) CAA stores the repository disk related information in the ODM CuAt, as part of the cluster information. All nodes are running AIX. This is a wonderful info. - Set default hdisk attributes such as queue_depth and timeout values. Performance improvements by tuning queues. Step-2) Storage team will provide LUN id of disks , we need to run below (as root user) command to discover/detect new disks provided by Storage team. In short the procedure is the following: 1. -E is to diplay the effective values and -l followed by the device name is how to specify the hdisk in question. chfs -m /newmountpoint filesystem changes the mountpoint in the vgda as well----- Post updated at 11:42 ----- Previous update was at 11:11 -----. This article discusses configuration. I had to configure SAS disks for my work on an AIX partition and found it difficult to locate any "how-to" article on the Internet. This will set the default attributes, rw_timeout=60 and queue_depth=2. I am trying to determine the LUN IDs of my disks as seen by the Storage admin on the switch. We will look at these in more detail to follow. lsdev -Cc disk -F name | while read hdisk do echo ${hdisk},$(odmget -q "name=${hdisk} and attribute=unique_id" CuAt|grep value|cut -d '"' -f2) done. hdisk2 changed. Avoid simple mistakes and start to build a long-term plan with this AIX Security eCourse. this makes a logical volume in the root volume group of 4MB that uses jfs. All nodes are running AIX. The information mentioned regarding potential future offerings is not a commitment, promise, or legal obligation. in AIX and tagged AIX | Leave a comment. Here I am going to share my knowledge to you all. [email protected] The AIX installation sees the MPIO capability and install the drivers and creates the vpaths. Processors,Memory are one of the most significant resources among all the available resources in a system, making processor/ memory utilization a critical metric for measuring the performance. The following example shows how to find out which AIX hdisk is using which NetApp LUN. If so, try substituting the PVID for hdisk# (from the lsps command). For AIX, one can use iostat (at AIX 5. 2M read: rps avgserv minserv maxserv timeouts fails 0. The installation will migrate devices from AIX hdisk to PowerPath hdiskpower. NOTE: hdisk must not be in used. Currently, it is called "System P". To download the reporting package, click here. - Indicate to the configure method to configure 2105/2145/1750/2107 hdisk as non-MPIO-capable devices. Dan works Both the hdisk and adapter drivers have an "in process" and "wait" queues. 2) To display the LTG size of a disk: /usr/sbin/lquerypv -M. Machines can have differential SCSI controllers in them. The following example shows how to find out which AIX hdisk is using which NetApp LUN. 972-877-5341 Bob Kelley/IS/CP/US/N A/BRINKSINC To IBM AIX Discussion List 09/20/2004 12:24 PM cc Subject SC_DISK_ERR2, ERR3, ERR4 Has anyone seen these errors before? We're running 6239 fc cards on a CX600. To install mksysb image on hdisk1. AIX native commands are used to obtain more information since the customer has not installed the AIX Host utility kit. $ chdev -dev hdisk2 -attr reserve_policy=no_reserve. off an old boot image that may reside on the disk from which this. In order to reach them for any kind of maintenance use the following smitty commands: The mirroring on these drives is performed on the hardware level through the controller. Beyond specifying what part of the disk to use when creating a logical volume, there's not much you can do by knowing what part of the disk anything is on, and such information about C, H or S characteristics are is meaningless. ) CAA stores the repository disk related information in the ODM CuAt, as part of the cluster information. The virtual target device is a child device of one of the vhost adapters and points to the corresponding backing device via the device attribute aix_tdev. Nagios Enterprises makes no claims or warranties as to the fitness of any file or information on this website, for any purpose whatsoever. FELLOWES Steph. lsdev -Cc disk -F name | while read hdisk do echo ${hdisk},$(odmget -q "name=${hdisk} and attribute=unique_id" CuAt|grep value|cut -d '"' -f2) done. As you can see this is a hexadecimal number. Ecurie Aix Formula Student Team RWTH Aachen e. The release date for 7100-03-05 is newer than 7100-04-00. Assign a PVID to a new hdisk. (This disk cannot be used for application storage or any other purpose. 1 Enterprise Edition 1. Here, we want to see which NetApp LUN is mapped to AIX hdisk6. lsps-a: List pagaing space: lspv: None: List configured disks List configuration details of a given disk -l List Logical Volumes/Filesystems on a given disk: lsque : Displays the queue stanza name. 4Viewing mirror pool information The 'lsvg', 'lspv', and 'lslv' commands can be used to view information about mirror pools. Changing 'defined' or 'missing' hard disk states to 'Available' in IBM Smart Analytics System for AIX environment. lsdev -Cc disk -F name | while read hdisk do echo ${hdisk},$(odmget -q "name=${hdisk} and attribute=unique_id" CuAt|grep value|cut -d '"' -f2) done. AIX is a very mature and powerful UNIX OS. This blog is intended for anyone who is working with AIX and encountered problems and looking for fast solutions or just want to study about AIX. I've actually used AIX about 5 or fewer times in my life. There is a nice post on ibmsystemmag. 2M read: rps avgserv minserv maxserv timeouts fails 0. Shows advanced information on a disk. rmdev -Rdl hdisk0 4. Templergraben 55 52062 Aachen Germany. In short the procedure is the following: 1. -E is to diplay the effective values and -l followed by the device name is how to specify the hdisk in question. Missing hdisk31 fscsi2. # alt_rootvg_op -X old_rootvg. trifo (MIS) (OP) 17 Oct 06 05:56. Currently, the latest full release of AIX is version 6. If you are to permanently stay with one hdisk in rootvg, you will. are stored in the ODM. The iostat -D command generates output such as: Here, the avgwqsz is the average wait queue size, and avgsqsz is the average service queue size. List disk UUID on AIX The command switch displays unique id of disks (UDID) and does the same job as the code I was using before, but in a more handy way. diag (safely remove hot swap device/drive), physically remove the old disk 5. I am trying to determine the LUN IDs of my disks as seen by the Storage admin on the switch. FELLOWES Steph. information such as the creation date of the logical volume, information about mirrored copies, and possible mount points in a journaled filesystem. I am a new AIX admin and rootvg is consuming only 30G on 500G disk on VIOS server. Step-1) Ask storage admin to provide LUNs of specified size to be used as ocr/voting/asm disks. Changing 'defined' or 'missing' hard disk states to 'Available' in IBM Smart Analytics System for AIX environment. Display the PVs (physical volumes) in a volume group and their mirror pools: # lsvg -P Display the LVs (logical volumes) in a volume group and their mirror pool:. AIX client: chdev -l hdiskX -a queue_depth=#. AIX Server command: This command will show the NetApp WWPN, AIX hdisk, NetApp. Adams Kevin J Sent by: IBM AIX Discussion List 05/30/2003 03:54 PM Please respond to IBM AIX Discussion List To [email protected] 1 or later) to monitor the hdisk driver queues. It will increase my passion on AIX. The reserve_policy for each disk must be set to no_reserve on VIO_Server1 and VIO_Server2. # varyonvg vgname. 3 supports all 32- bit and 64-bit Common Hardware Reference Platform (CHRP)-based IBM Power® hardware. fcs0 Available 01-10 FC Adapter. Remove All Physical Partitions on the Defective Disk. 1 Obtain useful planning information Explore an offering that combines AIX with IBM Tivoli Systems Management Front cover. Last month, we noted errpt showing an error: [[email protected]:/] errpt -a IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION DCB47997 1122091816 T H hdisk29 DISK OPERATION ERROR F31FFAC3 1122091816 I H hdisk29 PATH HAS RECOVERED DE3B8540 1122091816 P H hdisk29 PATH HAS FAILED DCB47997 1122075216 T H hdisk26 DISK OPERATION ERROR F31FFAC3 1122075216 I H hdisk26 PATH HAS RECOVERED DE3B8540 1122075216 P. Logical Volume ID (LVID) The LVID is the soft serial number used to represent the logical volume to the LVM libraries and low level commands. Replacing an AIX Fixed Disk Page 4 of 13 08/05/01 Identify All LV's Residing on the Defective Disk To list the LV's residing on a disk, run: lspv -l -or-lspv -l Sometimes the hdisk# becomes invalid. 1 Enterprise Edition 1. lsvg -l Procedure to find disks/vpaths that are unallocated. I recall that it's got a volume manager (I think LVM took some inspiration from it) that's fairly baroque, and that probably complicates matters somewhat. The Cluster Aware function of AIX was introduced with AIX 7. The 2105/2145/1750/2107 device information allows AIX to: - Identify the hdisk(s) as a 2105/2145/1750/2107 hdisk. Also, submitting a snap to IBM for analysis. lsdev -Cc disk -F name | while read hdisk do echo ${hdisk},$(odmget -q "name=${hdisk} and attribute=unique_id" CuAt|grep value|cut -d '"' -f2) done. The files and information on this site are the property of their respective owner(s). -E is to diplay the effective values and -l followed by the device name is how to specify the hdisk in question. All disks: Are PR-capable (DS3000, DS4000, or newer). Table 1 - AIX commands which write control information on the disk and if and when checking for Oracle disk signatures was added Note in Table 1 that the chdev command with attribute pv=yes or pv=clear which will write to the VGDA information block on the disk, does not have the checking for the Oracle disk signature. All other servicemarks and trademarks are the property of their respective owner. image (chpv -c hdisk#) and of updating the bootlist: # bosboot -ad /dev/hdisk0. Reference Guide for AIX SA23-1323-01. Remove one path, run cfgmgr. Find info on Other Specialty Trade Contractors companies in Aix En Provence, including financial statements, sales and marketing contacts, top competitors, and firmographic insights. Please check the storage and switches. lists available disks (and the hdisk#) on the server. # bootlist -m normal cd# hdisk# etc. To install mksysb image on hdisk1. There is a nice post on ibmsystemmag. How to cleanup AIX EMC ODM definitions. The first part of the string is the ww_name and the second is part of the string is taken from the location code of the hdisk. reducevg rootvg hdisk0 3. Thanks to everyone for their help. Now back at AIX the volumes are to be reactivated. fcs0 Available 01-10 FC Adapter. Understanding resource utilization and the spare capacity is becoming more important than ever. lspv|grep None. 0 Date: 8/28/9 Filesystems hd1 /home hd2 /usr hd3 /tmp hd4 / root hd5 BLV (Boot Logical Volume) hd6 Paging space hd8 JFS2 log hd9var /var hd10opt /opt hd11admin /admin New in 6. 3 or later (it was used on 5. The files and information on this site are the property of their respective owner(s). 1 (5765-CD1). I am a new AIX admin and rootvg is consuming only 30G on 500G disk on VIOS server. If so, try substituting the PVID for hdisk# (from the lsps command). # alt_rootvg_op -X old_rootvg. the "IO Drawer" would be a separate unit. The virtual target device is a child device of one of the vhost adapters and points to the corresponding backing device via the device attribute aix_tdev. Below are steps for creating asm disks on OS as well as on Oracle ASM instance on AIX 5. [email protected]# lsattr -El hdisk0 |grep lun_id. With so many organizations depending on AIX day to day, ensuring proper security and configuration is critical to ensure the safety of your environment. Device Type: block. aix Clone 1 Hard disk fromIBM Intellipoint server with AIX 5. 3 or later) and sar (5. Managing users and groups in IBM AIX is one of the key responsibilities of administrators. It should be noted that the HBA max_transfer defaults to 1MB (0x100000) and will limit transfers larger than 1MB. After we set the attribute on shared disks with HA solution, we can't see any more that messages. 1; Not all filesets for 6100-07_AIX_ML were found; Installing a Interim. Decoding hdisk PVID's on AIX. 1 Obtain useful planning information Explore an offering that combines AIX with IBM Tivoli Systems Management Front cover. EDU cc Subject Re: mksysb restore "not enough disk space selected" Did you select 2 target disks for the restore?. the parameters are applied in different levels as below: Here are the proper settings in the client at the hdisk level: algorithm=failover reserve_policy=no_reserve hcheck_mode=nonactive. You can view these PVID's by running "lspv" and looking at the second column: Let's take hdisk10 for example. Don't let common threats put your critical AIX servers at risk. - Set default hdisk attributes such as queue_depth and timeout values. I am a new AIX admin and rootvg is consuming only 30G on 500G disk on VIOS server. I had to configure SAS disks for my work on an AIX partition and found it difficult to locate any "how-to" article on the Internet. The installation will migrate devices from AIX hdisk to PowerPath hdiskpower. Current disk settings for all disks. The hdisk attribute that must be set on each VIOS for each LUN that will be used for a MPIO configuration is reserve_setting. it generally refers to a discrete portion of the system containing CPU, RAM, etc. Templergraben 55 52062 Aachen Germany. I didn't know that. Information regarding potential future offerings is intended to outline our general product direction and it should not be relied on in making a purchasing decision. aix Clone 1 Hard disk fromIBM Intellipoint server with AIX 5. To correct this situation we will remove the path and recognize again. Queue_depth for an hdisk (LUN) represents the number of in-flight I/Os that can be outstanding for an hdisk at any given time. To determine the LUN ID for each of the hdisks I then ran lsattr. In order to reach them for any kind of maintenance use the following smitty commands: The mirroring on these drives is performed on the hardware level through the controller. x Hello to all, Im having a new task in a new world (AIX - IBM Servers) I have an IBM Server (Type - 9111-285 very old one) with one Hard disk (73 GB 10 K) with AIX 5. x, and I need to clone the existing disk to another with the same specifications. - Set default hdisk attributes such as queue_depth and timeout values. The following information outlines one such situation I experienced recently, regarding a mismatch of a PVID and the VGDA, and was the first time in 22 years of working with the product I had to resort to such drastic manipulations of AIX storage to fix it. Beyond specifying what part of the disk to use when creating a logical volume, there's not much you can do by knowing what part of the disk anything is on, and such information about C, H or S characteristics are is meaningless. SCSI RAID - Disk Array info procedures. In fact, we officially disclaim all. I recall that it's got a volume manager (I think LVM took some inspiration from it) that's fairly baroque, and that probably complicates matters somewhat. LTG size can be changed with: varyonvg -M (The chvg -L has no effect on volume groups created on 5. 4Viewing mirror pool information The 'lsvg', 'lspv', and 'lslv' commands can be used to view information about mirror pools. com which describe parameters that should be changed when scsi client is used to assign VIOS disk to AIX client lpar. Last month, we noted errpt showing an error: [[email protected]:/] errpt -a IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION DCB47997 1122091816 T H hdisk29 DISK OPERATION ERROR F31FFAC3 1122091816 I H hdisk29 PATH HAS RECOVERED DE3B8540 1122091816 P H hdisk29 PATH HAS FAILED DCB47997 1122075216 T H hdisk26 DISK OPERATION ERROR F31FFAC3 1122075216 I H hdisk26 PATH HAS RECOVERED DE3B8540 1122075216 P. the -d in rmdev command removes the device definition. aix Clone 1 Hard disk fromIBM Intellipoint server with AIX 5. Though i figured out that there was a command " sissasraidmgr " to get this done. - Indicate to the configure method to configure 2105/2145/1750/2107 hdisk as non-MPIO-capable devices. Aix Sports Info. Avoid simple mistakes and start to build a long-term plan with this AIX Security eCourse. Ecurie Aix Formula Student Team RWTH Aachen e. Create the file system. Other manufacturers, such as Motorola, also produce hardware that runs AIX. But these information are. AIX is a very mature and powerful UNIX OS. Table 1 - AIX commands which write control information on the disk and if and when checking for Oracle disk signatures was added Note in Table 1 that the chdev command with attribute pv=yes or pv=clear which will write to the VGDA information block on the disk, does not have the checking for the Oracle disk signature. Bobby Kelley Jr. Adams Kevin J Sent by: IBM AIX Discussion List 05/30/2003 03:54 PM Please respond to IBM AIX Discussion List To [email protected] Hard disks in 'defined' or 'missing' state should be changed to 'Available' state in IBM Smart Analytics System for AIX environment and disk settings need to be reconfigured. The iostat -D command generates output such as: hdisk6 xfer: %tm_act bps tps bread bwrtn 4. 1 Enterprise Edition 1. LTG size can be changed with: varyonvg -M (The chvg -L has no effect on volume groups created on 5. Though i figured out that there was a command " sissasraidmgr " to get this done. For example, you may have AIX 7100-03-05 installed, and you attempt to install AIX 7100-04-00. odmget CuDv | grep (Specific Item) -> record the number of items. AIX best practice, ODM and HDISK settings. It is not a driver. Aix Sports Info. 0516-010 : Volume group must be varied on; use varyonvg command. Network and storage: Server TEST011 temporarily had issues with its connection to hdisk5. df1000f7 as well. lsps-a: List pagaing space: lspv: None: List configured disks List configuration details of a given disk -l List Logical Volumes/Filesystems on a given disk: lsque : Displays the queue stanza name. Please check the storage and switches. Queue_depth for an hdisk (LUN) represents the number of in-flight I/Os that can be outstanding for an hdisk at any given time. crfs -v jfs -m /usr/sharenew -g rootvg -a size=8192. The information mentioned regarding potential future offerings is not a commitment, promise, or legal obligation. It will increase my passion on AIX. Your help is much appreciated. After AIX reboots there are few changes we want to make sure AIX recivers automatically incase one of the VIO servers goes. AIX uses - what for me is - the finest LVM there is. When mapping, the virtual target device is created as a child of a vhost adapter. Machines can have differential SCSI controllers in them. 3 or later (it was used on 5. -E is to diplay the effective values and -l followed by the device name is how to specify the hdisk in question. Table 1 - AIX commands which write control information on the disk and if and when checking for Oracle disk signatures was added Note in Table 1 that the chdev command with attribute pv=yes or pv=clear which will write to the VGDA information block on the disk, does not have the checking for the Oracle disk signature. This new technology builds clustering technologies into the AIX base operating system. Storage Array General Recommendations for AIX. Are hdisks. Here, we want to see which NetApp LUN is mapped to AIX hdisk6. Toute l'actu des sports aixois et du Pays d'Aix. numbers , but also will print out the disk serial numbers, PV ID's, volume. The iostat -D command generates output such as: Here, the avgwqsz is the average wait queue size, and avgsqsz is the average service queue size. rmdev -dl hdisk# remove a disk. Thanks - Krishanthlee :) View my complete profile. unmirrorvg rootvg hdisk0 (savebase -v) 2. 3? AIX 5L Version 5. Ecurie Aix Formula Student Team RWTH Aachen e. Open Indicates active if LV contains a file system. For regular SCSI disks, just use the AIX diagnostics, but for some disk type, AIX Diagnostics don't support them. Install the ODM update provided by Hitachi Vantara. All other servicemarks and trademarks are the property of their respective owner. How to upgrade TL and SP in AIX using alternate disk (alt_disk_copy) Part 1, Memory overview and tuning memory parameters AIX7. df1000f7 as well. When mapping, the virtual target device is created as a child of a vhost adapter. List disk UUID on AIX The command switch displays unique id of disks (UDID) and does the same job as the code I was using before, but in a more handy way. Understanding resource utilization and the spare capacity is becoming more important than ever. Information regarding potential future offerings is intended to outline our general product direction and it should not be relied on in making a purchasing decision. [email protected]: [/]lsvg -p vgExport. 3, you can grow your paging space on the fly to whatever size you need, assuming, of course, that you have the necessary free disk space. AIX for System Administrators. [email protected]:/ # lscfg -vpl hdisk5. Find info on Other Specialty Trade Contractors companies in Aix En Provence, including financial statements, sales and marketing contacts, top competitors, and firmographic insights. At the server, the hdisk driver has an in-process and a wait queue. Check if there is a disk with only one path. (This disk cannot be used for application storage or any other purpose. com which describe parameters that should be changed when scsi client is used to assign VIOS disk to AIX client lpar. Device Type: block. Aix Sports Info. odmget CuDv | grep (Specific Item) -> record the number of items. AIX QuickSheet Version: 2. ) CAA stores the repository disk related information in the ODM CuAt, as part of the cluster information. Templergraben 55 52062 Aachen Germany. 3 and above. AIX and RS/6000 was released on the 14th of February, 1990 in London. in AIX and tagged AIX | Leave a comment. AIX is the UNIX operating system from IBM for RS/6000, pSeries and the latest p5 & p5+ systems. To install mksysb image on hdisk1. AIX alt_disk_copy. Toute l'actu des sports aixois et du Pays d'Aix. odmget CuAt | grep (Specific Item) -> record the number of items. 3 or later (it was used on 5. This post will describe the replacement of a failed rootvg disk. When mapping, the virtual target device is created as a child of a vhost adapter. [email protected]: [/]lsvg -p vgExport. 3 or later) and sar (5. lssrc-a: List all subsystems: lsuser. group, disk type, and disk size and produce an html file with the output , and then ftp it to a specific machine. AIX client: chdev -l hdiskX -a queue_depth=#. SCSI RAID - Disk Array info procedures. If you really happy about this blog, Kindly leave a comment. PowerHA uses a shared disk to store Cluster Aware AIX (CAA) information. To correct this situation we will remove the path and recognize again. lsvg -l Procedure to find disks/vpaths that are unallocated. Otherwise, use the chdev -P and then reboot to take effect the changes. AIX/5L the 5L addition to AIX stands for version 5 and Linux affinity. EDU cc Subject Re: mksysb restore "not enough disk space selected" Did you select 2 target disks for the restore?. Ecurie Aix Formula Student Team RWTH Aachen e. Processors,Memory are one of the most significant resources among all the available resources in a system, making processor/ memory utilization a critical metric for measuring the performance. We will look at these in more detail to follow. Custom report for AIX hdisk queue depth Follow. 3 or later) and sar (5. Permit read/write access, using the following "chmod" commands on both the hdisk and the corresponding character access device rhdisk: chmod 666 hdisk# chmod 666 rhdisk#. lsattr is used in AIX to determine the attributes of a device. lists available disks (and the hdisk#) on the server. This new technology builds clustering technologies into the AIX base operating system. I would highly recommend changing the AIX hdisk queue_depth, the default is 3, and should be at least 32 (IMO). Resolving The Problem. Once an I/O is built in the JFS2 buffer, it gets queued to the LUN (hdisk). In fact, we officially disclaim all. AIX on POWER is a great combination for large Enterprise systems. Now to Find out the WWN Number (Address) of each Adapter, type the following command: # lscfg -vl fcs0. Capture current output for all disks. 3 or later) and sar (5. aix Clone 1 Hard disk fromIBM Intellipoint server with AIX 5. sometimes we have problems, that migrated vgs from one aix to another contain the wrong filesystem mountpoint, because someone just changed the mountpoint in /etc/filesystems. To install mksysb image on hdisk1. Procedure to reduce the size of a file system - shareold is 8mb and needs to be reduced to 4mb. x, and I need to clone the existing disk to another with the same specifications. Tag: aix disk info AIX – Obter tamanho do disco Em ambiente Linux quando se desejar saber os discos que temos no sistema e seu tamanho, utilizamos o comando “fdisk -l“, no AIX essa tarefa é um pouco diferente, abaixo…. AIX native commands are used to obtain more information since the customer has not installed the AIX Host utility kit. Please check the storage and switches. Managing users and groups in IBM AIX is one of the key responsibilities of administrators. I am a new AIX admin and rootvg is consuming only 30G on 500G disk on VIOS server. If you are to permanently stay with one hdisk in rootvg, you will. 1 or later) to monitor the hdisk driver queues. AIX Server command: This command will show the NetApp WWPN, AIX hdisk, NetApp. A Complete practical guide. # alt_rootvg_op -X old_rootvg. Adams Kevin J Sent by: IBM AIX Discussion List 05/30/2003 03:54 PM Please respond to IBM AIX Discussion List To [email protected] Managing users and groups in IBM AIX is one of the key responsibilities of administrators. Currently, the latest full release of AIX is version 6. At this point, take the recommended actions of clearing the boot. The data LUNs had already been assigned to the VIOS and mapped and configured on the client LPAR. ) CAA stores the repository disk related information in the ODM CuAt, as part of the cluster information. Performance improvements by tuning queues. Changing 'defined' or 'missing' hard disk states to 'Available' in IBM Smart Analytics System for AIX environment. as root user to clear the boot record and avoid a potential boot. How to cleanup AIX EMC ODM definitions. So if you want to completely erase a disk, you can use the following method: 1- Remove the disk from any existing VG # reducevg vg hdisk# 2- Get the disk size (in MB) # bootinfo -s hdisk# OR # bootinfo -s vpath#. Adams Kevin J Sent by: IBM AIX Discussion List 05/30/2003 03:54 PM Please respond to IBM AIX Discussion List To [email protected] 4Viewing mirror pool information The 'lsvg', 'lspv', and 'lslv' commands can be used to view information about mirror pools. One disk is/was damaged beyond repair, or replaced during the process. This is a wonderful info. Please manually run 'savebase' before rebooting. However, for optimal performance,. 0516-1734 rmlvcopy: Warning, savebase failed. AIX best practice, ODM and HDISK settings. I have an AIX 7. AIX on POWER is a great combination for large Enterprise systems. Otherwise, use the chdev -P and then reboot to take effect the changes. AIX uses - what for me is - the finest LVM there is. AIX client: chdev -l hdiskX -a queue_depth=#. 0516-1246 rmlvcopy: If hd5 is the boot logical volume, please run 'chpv -c '. If so, try substituting the PVID for hdisk# (from the lsps command). Currently, it is called "System P". lsps-a: List pagaing space: lspv: None: List configured disks List configuration details of a given disk -l List Logical Volumes/Filesystems on a given disk: lsque : Displays the queue stanza name. crfs -v jfs -m /usr/sharenew -g rootvg -a size=8192. As you can see this is a hexadecimal number. You can also use the lsdev -dev hdiskn -vpd command, where n is the hdisk number, to retrieve this information. Note that the -X flag only removes the volume group place holder for the altinst_rootvg or old_rootvg. The Pure AIX ODM definition ensures hdisk device max_transfer is configured at 4MB (0x400000). The following example shows how to find out which AIX hdisk is using which NetApp LUN. To correct this situation we will remove the path and recognize again. Now back at AIX the volumes are to be reactivated. Now typically, when one attempts to install a newer TL / SP, the AIX system will check to see if you are attempting to install an older level that what is already there. Ecurie Aix Formula Student Team RWTH Aachen e. The average time spent in the wait queue is avgtime. In the output of this command the first field is the hdisk name, second field is the PVID assigned (if any) to the hdisk, third field mentions the VG name in which this hdisk belongs, and the last field summarizes the state of the VG (active or concurrent). AIX Security Basics eCourse. This article discusses configuration. Custom report for AIX hdisk queue depth Follow. Regardless of the use of DFC Processor devices with DDdfc driver or generic disk devices with AIX hdisk driver, DDBoost over FC devices are not recognized after an DD HA failover and must be reconfigured. How do I know if my machine is capable of running AIX 5L Version 5. lssrc-a: List all subsystems: lsuser. The release date for 7100-03-05 is newer than 7100-04-00. Shows advanced information on a disk. x Hello to all, Im having a new task in a new world (AIX - IBM Servers) I have an IBM Server (Type - 9111-285 very old one) with one Hard disk (73 GB 10 K) with AIX 5. The information mentioned regarding potential future offerings is not a commitment, promise, or legal obligation. Note that the -X flag only removes the volume group place holder for the altinst_rootvg or old_rootvg. 972-877-5341 Bob Kelley/IS/CP/US/N A/BRINKSINC To IBM AIX Discussion List 09/20/2004 12:24 PM cc Subject SC_DISK_ERR2, ERR3, ERR4 Has anyone seen these errors before? We're running 6239 fc cards on a CX600. For AIX, one can use iostat (at AIX 5. Sample Procedures: Check to see if all of the logical volumes in a volume group are mirrored. Get the VG name residing on a hdisk (perviously exported VG) Renaming a device; IP configuration in AIX; Defining NFSv4 pseudo-root export; NTP Client configuration; List STALE partitions across Volume Groups for each Logical Volume in AIX; Mount CD/DVD & ISO image in AIX 6. 3 or later) and sar (5. 1 or later) to monitor the hdisk driver queues. How can I directly read out the VGDA of a PV (hdisk)? Information about VGx, LVx, filesystems, etc. All disks: Are PR-capable (DS3000, DS4000, or newer). Step-1) Ask storage admin to provide LUNs of specified size to be used as ocr/voting/asm disks.