gmirror and gstripe

Nenhum_de_Nos matheus at eternamente.info
Wed Nov 19 06:44:16 PST 2008


On Wed, November 19, 2008 10:39 am, Bartosz Stec wrote:
> 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.

I can say for slow down, as I can't do anything on it. ping to it responds
really slow, and if I plug an usb keyboard and try to use the machine, the
keyborad just is able to change consoles (from tty1 to tty2, and so on),
but I can't even login to the machine, as nothing I type gets to the
terminal. so I can't say its slow or locked.

>> 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.

ok, but this makes me have to be there every reboot, if it wasn't a reboot
from a command sent by me. and this makes my life hard, as I can't be
allways there (this is a home server, nfs+pf+postfix+webmail+dns), I just
want to put fsck_y on rc.conf ...

>> 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

gonna read :)

thanks

matheus

> Good luck.
>
> --
> Bartosz Stec
>
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>
>
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-- 
We will call you cygnus,
The God of balance you shall be



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