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Stale Extents

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Shivkumar
Super Advisor

Stale Extents

Dear Sirs;

We received the below alert from out alert monitoring system:

Logical volume /dev/vg00/lvol5 has STALE extents

We are using hpux 11.00.

Can anyone explain what this message means and how to fix this ?

Thanks,
Shiv
8 REPLIES
A. Clay Stephenson
Acclaimed Contributor
Solution

Re: Stale Extents

It means that some of the extents are out of date -- usually caused by a disk failure or temporary loss of connectivity. Execute vgsync /dev/vg00 and then use lvdisplay -v /dev/vg00/lvol5 to examine the extents. Good extents are "current".
If it ain't broke, I can fix that.
Patrick Wallek
Honored Contributor

Re: Stale Extents

Usually you get this when a disk in a mirrored set goes bad.

I would suggest you check all the disks in VG00 and if one is bad, get it replaced.
Shivkumar
Super Advisor

Re: Stale Extents

I am getting warning alerts for all the logical volumes on the box. Is it some major issue ?

Thanks,
Shiv
Patrick Wallek
Honored Contributor

Re: Stale Extents

You almost surely have a bad disk. Suggest you contact HP to get it replaced.
Yogeeraj_1
Honored Contributor

Re: Stale Extents

hi shiv,

you can run stm (in graphics mode) to check the status of you disk.

if there are any further alert, immediately replace the disk

regards
yogeeraj
No person was ever honoured for what he received. Honour has been the reward for what he gave (clavin coolidge)
Shivkumar
Super Advisor

Re: Stale Extents

What is command to check the bad disk using stm ?
Arunvijai_4
Honored Contributor

Re: Stale Extents

Shiv, Take a look at this about STM
http://docs.hp.com/en/diag/stm/help/expert/scsi_cdx.htm
http://docs.hp.com/en/J6374-90018/ch04s04.html
http://docs.hp.com/en/B6191-90015/ch04s01.html

-Arun
"A ship in the harbor is safe, but that is not what ships are built for"