gmirror and gstripe

[Bartosz Stec]

Nenhum_de_Nos pisze:
> hail,
>
> I have an old AthlonXP 1700+ running 7-STABLE:
>
> FreeBSD xxx 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #1: Thu Nov 13 23:54:59
> BRT 2008 root at xxx:/usr/obj/usr/src/sys/xxx i386
>
> where I have two 750GB Seagate SATA Disks. They are divided as two slices,
> around the first 120GB are gathered in gmirror, and what left is in
> gstripe. so that's whats going on. if the machine locks, and fsck comes to
> make its job, the box just gets slower and slower till I have to reset it
> the hard way. to make it not lock after just 5 minutes I have to boot and
> umount the "arrays", and then run fsck_ufs on them. so this way I can have
> the box running again.
>   
Did you mean that machine slows down while doing background fsck? If 
yes, problem is probably related to snapshot which is created, and 
background fsck is done on snapshot.

> as I can't count on no power outage till the end of days, what can I do ?
>
>   
You may just disable background fsck and do it manually in single user 
mode in that case just by typing fsck -y.
> i just recompiled stable to make it stop this, but no go here ...
>
> this is an AthlonXP as said, running on EPoX kt600 based board, sata I is
> from via southbridge and 1GB of RAM. just another 40GB disk to the system.
>
> thanks,
>
> matheus
>   
If I am correct, your problem is old known and mksnap_ffs related. 
Jeremy Chadwick wrote a lot about it:
http://wiki.freebsd.org/JeremyChadwick/Commonly_reported_issues

Good luck.

-- 
Bartosz Stec

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