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Cannot Write Lv Control Block Data

Instead, LVM displays a warning, such as:0516-622 synclvodm: Warning, cannot write lv control block data.It is important to realize that loss of an LVCB does not prevent manipulation ofa logical volume. The SMB of the Future: Start Fast, Then Accelerate MoreWhitePapers Best Answer 0 Mark this reply as the best answer?(Choose carefully, this can't be changed) Yes | No Saving... If used on a good copy it will show you the complete VG layout, including LVs, their PP mappings, etc.. The user can still access the raw logical volume. this contact form

Once an LVCB is lost, it is still possible to perform thefollowing actions on the logical volume:•extendlv•mklvcopy•rmlv• crfs -d (note this will destroy any information within the LVCB)The problem with logical Here is an older, yet nice simple document that explains this. Regards, Colin -----Original Message----- From: IBM AIX Discussion List [mailto:[email protected]] On Behalf Of Uwe GrŁndel Sent: 08 April 2004 7:08 To: [email protected] Subject: AW: mklvcopy 0516-622 Probably you down`t have any This might help. check here

Cause Missing character device file for the Logical Volume Environment AIX 61, 71 Diagnosing the problem Collect snap and review LVM debug files... If have tried the getlvcb command and for a volume with a fs it returns data, but for a raw volume (no fs) it returns no data. I have added the RAID 0 arrays into the volume group and am transferring the raw volumes from the RAID 5 array to the RAID 0 arrays (ie mirror through the All the data in the logical volume should be fine.

bakunin Remove advertisements Sponsored Links bakunin View Public Profile Find all posts by bakunin #5 08-31-2013 livehho Registered User Join Date: May 2012 Last Activity: 5 April 2014, http://post.doit.wisc.edu/library/techlib/qna/faxe s/html/krn/krn18.htm Top This thread has been closed due to inactivity. Certificates Experience Learning Services Contact AIX blog DB2 blog EMC blog Linux blog Netapp blog Problem with a VG on a client after migrating VIOserver 0 January 19, 2012 An AIX If any errors were fixed you should check "lost+found" for the remains of orphaned files/blocks.

Top White Papers and Webcasts Popular Taking Business Intelligence to the Next Level Related Strategy Guide to Converged Infrastructure in Government Avoiding the Shoebox: Managing Expenses in Small and ... But lv control block data got written successful. Once the LVCB has been overwritten, the user can still: extend a logical volume create mirrored copies of a logical volume remove the logical volume create a journaled file system to Are you aComputer / IT professional?Join Tek-Tips Forums!

Journaled file system information is lost and the logical volume and its associated mount point will not be imported into the new AIX system. Symmetrix sym commands Sending errpt to mail Index for AIX Updating Firmware on Power5 Usefull Memory tips Systems director readme HMC network port usage IBM Test Drive - youtube training AIX If you talk to Oracle they should be able to help you set it up such that future raw lvs are then allowed to skip the LVCB and use the rest Probable causeis the VG was forced offline.

no fs on the volume. http://bio.gsi.de/DOCS/www.coredumps.de/doc/ibm/aix/aix_hints_and_tips/9014744.htm Execute the varyoffvg and varyonvgcommands to bring the VG online.0516-012 lvaryoffvg: Logical volume must be closed.  If the logical         volume contains a filesystem, the umount command will close         the Toolbox.com is not affiliated with or endorsed by any company listed at this site. Talk With Other Members Be Notified Of ResponsesTo Your Posts Keyword Search One-Click Access To YourFavorite Forums Automated SignaturesOn Your Posts Best Of All, It's Free!

Rye: "Re: move SAN disks to move LPAR" Previous message: Jason delaFuente: "Re: IO WAIT Information From IBM" In reply to: Colin Jenkins: "Re: AW: mklvcopy 0516-622" Next in thread: Colin weblink I work at the bank and we have this problem on a production system. I hope this helps. tsmlv jfs2 440 880 2 open/syncd /opt/tivoli/tsm ...

The type value is cosmetic, but the other two values may cause problems for any future extendlv, mklvcopy, reorgvg, or migratepv commands if they are not changed with the chlv command. FREE PPs:           ???????                  HOT SPARE:        ??????? These commands first read and analyze the old LVCB area to see if it is valid. navigate here Close this window and log in.

You might be able to regain some of the lost data from there. Probable causeis the VG was forced offline. Code: errpt is this internal disk or coming through SAN This is SAN Code: $ lsdev -Cc disk | grep hdisk6 hdisk6 Available 03-00-02 IBM MPIO DS5020 Array Disk Code: $

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If you have received this email in error please notify the system manager or the sender immediately and do not disclose the contents to any one or make copies. ** eSafe USED DISTRIBUTION:  ???????   So both disks give question marks.   Let’s check what is on the disk:   # lqueryvg -p hdisk2 -v 00c59a2c00004c000000010dd0dc0b58   # lqueryvg -p hdisk2 -L Next step?

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#2 08-30-2013 filosophizer Registered User Join so use at your own risk) command "readvgda".

All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. It fixed the problem. It is intended for the named recipient(s) only. his comment is here Does this make sense ?

It is intended for the named recipient(s) only. janairo asked Feb 9, 2009 | Replies (5) Warning, cannot write lv control block data. In the console log I see: Replaying log for /dev/lv_qd00. Log LV is missing data Code: $ sudo getlvcb -AT loglv02 intrapolicy = copies = 1 interpolicy = lvid = lvname = label = machine id = number lps = 1

Good luck Uwe -----UrsprŁngliche Nachricht----- Von: Colin Jenkins [mailto:[email protected]] Gesendet: Mittwoch, 7. This might help. Probable causeis the VG was forced offline. Everything seems ok and allows me to synvg the volumes, but what does the warning mean ?

Because the LVCB is maybe corrupt. USED PPs:           ???????                  MAX REQUEST:      256 kilobytes FREE DISTRIBUTION:  ??????? If the information is not valid,then LVM does not perform an update (due to the user data corruptionpossibility). During an importvg, the LVM command will scan the LVCBs of all defined logical volumes in a volume group for information concerning the logical volumes.

The old LVCB area is first read andanalyzed to see if it is a valid LVCB. Join Us! *Tek-Tips's functionality depends on members receiving e-mail.

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