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advfs panic

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rottereau
Advisor

advfs panic

an advfs domain panic has occured. how can i check the domain without reboot because jobs on the machine are running.
thanks
7 REPLIES
rottereau
Advisor

Re: advfs panic

i have one more message when i try to do a ls command: I/O error.
and with a cd command i have Permission denied reply.
thanks for your help
Ajay Agarwal
Frequent Advisor

Re: advfs panic

You can use fixfdmn and salvage utility. Check the manpages for more information.
Hein van den Heuvel
Honored Contributor
Solution

Re: advfs panic

The IO error message is omnious.
Get ready to restore a backup to a fresh disk. You do have backups rights?

Before you attempt to fix any AdvFS structure you need to know the actual disk is working properly.

Check error logs for further details.
Also try some none-filesystem commands like dd if=/dev/rdisk/xxx of=/dev/null iseek=... bs=...

I know it is 'old school', but I've been relatively lucky re-seating disks.
If that makes the disk useable again, then be sure to review the backup / restore needs anyway.

How about disk storages redunancy like raid-1 or raid-5? Now? In the near future?

Hope this helps,
Hein.
Ivan Ferreira
Honored Contributor

Re: advfs panic

The procedure should be:

Ensure that the file system is umounted.

Run salvage to try to save some data if you don't have a recent backup.

Run /sbin/advfs/verify to the domain.

If this won't fix the error, run fixfdmn.

If this won't fix the error, re-create the domain and restore the data.
Por que hacerlo dificil si es posible hacerlo facil? - Why do it the hard way, when you can do it the easy way?
Archunan Muthiah
Honored Contributor

Re: advfs panic

You can check the binary.errlog using dia utility.

Archunan
God is Artist, we are all just brushes
Archunan Muthiah
Honored Contributor

Re: advfs panic

We knew that domain panics render the filesystem unavailable until the next mount. but you said, you don't want to reboot the system...but without dismount and mount, we won't get correct result out of fixfdmn.

Try first with fixdmn with "-n" option, once fixdmn examined the domain, then check domain output log file.


Archunan
God is Artist, we are all just brushes
Archunan Muthiah
Honored Contributor

Re: advfs panic

Just go thru this AdvFS Administration manual under "Recovering from a Domain Panic"
http://161.114.87.216/docs/advfs_ref/advfs_51b/tips51b.pdf

Archunan
God is Artist, we are all just brushes