Ibm I/o Error Detected By Lvm
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Problem(Abstract) How do I get back a disk that is marked "missing" or "removed"? What does this mean? Symptom AIX LVM will mark a disk as "missing" when it cannot successfully determine if the disk belongs to the volume group that it is in. Here are some ways to diagnose this problem and some possible solutions to get the disk back in an active state again. One main symptom is that the lsvg command shows the disk in a "missing" state: # lsvg -p vgname datavg: PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION hdisk5 active 646 486 http://unix.ittoolbox.com/groups/technical-functional/ibm-aix-l/aix-errpt-errors03913b94-0426080911-u-h-lvdd-hardware-disk-block-relocation-achieved-e86653c3-0426080911-p-h-lvdd-io-error-detected-by-lvm-49a83216-4163382 130..00..98..129..129 hdisk6 missing 646 6 00..00..00..00..06 Diagnosing the problem First data gathering steps to take. These steps can all be performed by a non-root user. * Are there any disk errors for this physical volume in the system error report? $ errpt | more or for more in-depth error information $ errpt -a | more * Is the disk marked in http://www-01.ibm.com/support/docview.wss?uid=isg3T1020096 an "Available" state in lsdev output? $ lsdev -Cc disk -l hdiskX * Does the disk show up in lspv? $ lspv * Is the disk in an "active" state in lsvg? $ lsvg -p VGNAME Resolving the problem Try to read the PVID directly off the drive. This technique uses a lower-level command that bypasses the ODM and will print out information recorded on the disk. You will need to be root or su'ed to root to run this command and many of the ones that follow. # lquerypv -h /dev/hdiskX 80 10 00000080 00050A85 A9B17061 00000000 00000000 |......pa........| In the above output the PVID is the 2nd and 3rd columns combined. Does the PVID returned match the output from lspv? 1. If yes then it's possible there was some temporary problem accessing the disk. 1a. Try running: # varyonvg VGNAME which should force the volume group to go out and probe all physical volumes belonging to it. 1b. If varyonvg does not go out and find the disk, we may have to force it into an available state so LVM will check it. To do this use: # chpv -va hdiskX It's possible after this you may need to try the varyonvg again. 2. If a PVID is returned but does not match what lspv or the ODM show, then does it exist in the VGDA? The PVIDs in the VGDA can be viewed easiest using lqueryvg: # lqueryvg -Ptp hdiskX (
Join INTELLIGENT WORK FORUMSFOR COMPUTER PROFESSIONALS Log In Come Join Us! Are you aComputer / IT professional?Join Tek-Tips Forums! Talk With Other Members http://www.tek-tips.com/viewthread.cfm?qid=750330 Be Notified Of ResponsesTo Your Posts Keyword Search One-Click Access To YourFavorite Forums Automated SignaturesOn Your Posts Best Of All, It's Free! Join Us! *Tek-Tips's functionality depends on http://unix.derkeiler.com/Mailing-Lists/AIX-L/2009-01/msg00029.html members receiving e-mail. By joining you are opting in to receive e-mail. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden.Tek-Tips Posting Policies Jobs Jobs from Indeed i/o error What: Where: jobs by Link To This Forum! Add Stickiness To Your Site By Linking To This Professionally Managed Technical Forum.Just copy and paste the BBCode HTML Markdown MediaWiki reStructuredText code below into your site. IBM: AIX Forum at Tek-Tips HomeForumsMIS/ITOperating Systems - UNIX basedIBM: AIX Forum hdisk1 errors thread52-750330 Forum Search FAQs Links MVPs hdisk1 i/o error detected errors hdisk1 errors harpal (TechnicalUser) (OP) 15 Jan 04 06:47 Hi,I have noticed that our F80 has a problem with hdisk1 (rootvg) this needs to be swopped out I need advice on how best to plan for this in terms of removing old disk and installing new disk and keeping rootvg intact?Any suggestions Output of my errptroot@hqax00 / >errptIDENTIFIER TIMESTAMPT C RESOURCE_NAMEDESCRIPTION613E5F380115090804 P H LVDDI/O ERROR DETECTED BY LVMA668F5530115090804 P H hdisk1DISK OPERATION ERROR613E5F380115090704 P H LVDDI/O ERROR DETECTED BY LVMA668F5530115090704 P H hdisk1DISK OPERATION ERROR613E5F380115085604 P H LVDDI/O ERROR DETECTED BY LVMA668F5530115085604 P H hdisk1DISK OPERATION ERROR613E5F380115085504 P H LVDDI/O ERROR DETECTED BY LVMA668F5530115085504 P H hdisk1DISK OPERATION ERROR613E5F380115085204 P H LVDDI/O ERROR DETECTED BY LVMA668F5530115085204 P H hdisk1DISK OPERATION ERROR613E5F380115085204 P H LVDDI/O ERROR DETECTED BY LVMA668F5530115085204 P H hdisk1DISK OPERATION ERROR613E5F380115085204 P H LVDDI/O ERROR DETECTED BY LVMA668F5530115085204 P H hdisk1DISK OPERATION ERROR613E5F380115085104 P H LVDDI/O ERROR DETECTED BY LVMA668F5530115085104 P H hdisk1DISK OPERATION ERROREAA3D4290114082704 U S LVDDPHYSICAL PARTITION MARKED STALE613E5F380114082704 P H LVDDI/O ERROR DETE
not just one file and I am starting to run out of ideas on how to troubleshoot this... I cannot use diag to test this disk as it's not an IBM disk (I assume that's why it's not in the list for diag!!) but the array controller interface shows the RAID status as "HEALTHY" and there are no errors in the logs on the disk array. Anyone have any ideas for me? I'm running out of things to try!! Thanks. -James ps- These are rather inexpensive disk arrays, Fiberchannel connected but are SATA300 drives internally. Product is called Jetstor by AC&NC. Single fiber path to a single controller with no failover... silt 229$ df -g /TD3 Filesystem GB blocks Free %Used Iused %Iused Mounted on /dev/fslv10 12572.00 8884.87 30% 80 1% /TD3 silt 206$ ls -l 00064964.bfs -rw------- 1 root system 53687091200 Dec 03 20:56 00064964.bfs silt 207$ dd if=00064964.bfs of=/dev/null dd: 0511-051 The read failed. : There is an input or output error. 60692480+0 records in. 60692480+0 records out. When the error occurs, the errpt logs the following errors: IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION E86653C3 0109123709 P H LVDD I/O ERROR DETECTED BY LVM C62E1EB7 0109123709 P H hdisk26 DISK OPERATION ERROR B8FBD189 0109123709 T S fscsi1 SOFTWARE PROGRAM ERROR 825849BF 0109123709 T H fcs1 ADAPTER ERROR E86653C3 0109123709 P H LVDD I/O ERROR DETECTED BY LVM C62E1EB7 0109123709 P H hdisk26 DISK OPERATION ERROR B8FBD189 0109123709 T S fscsi1 SOFTWARE PROGRAM ERROR 825849BF 0109123709 T H fcs1 ADAPTER ERROR With the first 2 errors being the only ones of type PERM: LABEL: LVM_IO_FAIL IDENTIFIER: E86653C3 Date/Time: Fri Jan 9 12:42:02 MST 2009 Sequence Number: 25793 Machine Id: 0005CCB6D700 Node Id: silt Class: H Type: PERM Resource Name: LVDD Resource Class: NONE Resource Type: NONE Location: Description I/O ERROR DETECTED BY LVM Probable Causes POWER, DRIVE, ADAPTER, OR CABLE FAILURE Recommended Actions RUN DIAGNOSTICS AGAIN