From: Niccolo Rigacci <niccolo@rigacci.org>
To: linux-raid@vger.kernel.org
Cc: Mark Hahn <hahn@physics.mcmaster.ca>
Subject: Re: New FAQ entry? (was IBM xSeries stop responding during RAID1 reconstruction)
Date: Thu, 22 Jun 2006 09:11:45 +0200 [thread overview]
Message-ID: <20060622071145.GA718@rigacci.org> (raw)
In-Reply-To: <449A1E10.2050402@fooplanet.com>
> > personally, I don't see any point to worrying about the default,
> > compile-time or boot time:
> >
> > for f in `find /sys/block/* -name scheduler`; do echo cfq > $f; done
I tested this case:
- reboot as per power failure (RAID goes dirty)
- RAID start resyncing as soon as the kernel assemble it
- every disk activity is blocked, even DHCP failed!
- host services are unavailable
This is why I changed the kernel default.
--
Niccolo Rigacci
Firenze - Italy
Iraq, missione di pace: 38475 morti - www.iraqbodycount.net
next prev parent reply other threads:[~2006-06-22 7:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-21 16:09 New FAQ entry? (was IBM xSeries stop responding during RAID1 reconstruction) Niccolo Rigacci
2006-06-21 17:10 ` David Greaves
2006-06-21 18:51 ` Michael Tokarev
2006-06-22 2:20 ` Mark Hahn
2006-06-22 4:35 ` Gil
2006-06-22 7:11 ` Niccolo Rigacci [this message]
2006-06-23 3:14 ` Bill Davidsen
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