From: Mario 'BitKoenig' Holbe <Mario.Holbe@RZ.TU-Ilmenau.DE>
To: linux-raid@vger.kernel.org
Subject: Re: [PATCH] md - 8 of 8 - Support reshaping raid1 arrays - adding or removing drives.
Date: Fri, 28 May 2004 15:32:31 +0200 [thread overview]
Message-ID: <c97f1f$hmm$1@sea.gmane.org> (raw)
In-Reply-To: E1BTb7N-0002U9-H3@notabene.cse.unsw.edu.au
NeilBrown <neilb@cse.unsw.edu.au> wrote:
> This requires allocating a new pool of "r1bio" structures which a different
> number of bios, suspending IO, and swapping the new pool in place of the old.
> (and a few other related changes).
Hmmm, I'm not really familiar with the md-code, but doesn't
do memory allocation at runtime re-introduce the 2.2. swap-
on-raid-problems?
Afair, they were due to swap out -> md driver allocates
something -> no ram -> swap out -> md driver allocates ...
regards,
Mario
--
[mod_nessus for iauth]
<delta> "scanning your system...found depreciated OS...found
hole...installing new OS...please reboot and reconnect now"
next prev parent reply other threads:[~2004-05-28 13:32 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-28 6:45 [PATCH] md - 0 of 8 - Introduction NeilBrown
2004-05-28 6:45 ` [PATCH] md - 1 of 8 - Rationalise device selection in md/multipath NeilBrown
2004-05-28 6:45 ` [PATCH] md - 2 of 8 - Make sure md_check_recovery will remove a faulty device when ->nr_pending hits 0 NeilBrown
2004-05-28 6:45 ` [PATCH] md - 8 of 8 - Support reshaping raid1 arrays - adding or removing drives NeilBrown
2004-05-28 7:31 ` Andrew Morton
2004-05-28 8:41 ` Neil Brown
2004-05-28 13:32 ` Mario 'BitKoenig' Holbe [this message]
2004-05-28 22:47 ` Neil Brown
2004-05-28 6:45 ` [PATCH] md - 4 of 8 - Make sure the size of a raid5/6 array is a multiple of the chunk size NeilBrown
2004-05-28 6:45 ` [PATCH] md - 7 of 8 - Allow md arrays to be resized if devices are large enough NeilBrown
2004-05-28 6:45 ` [PATCH] md - 3 of 8 - Allow an md personality to refuse a hot-remove request NeilBrown
2004-05-28 18:35 ` 3ware 7506-8 and Tyan Thunder 2500, S1867, anyone? buggz
2004-05-28 6:45 ` [PATCH] md - 6 of 8 - Abort the resync of raid1 there is only one device NeilBrown
2004-05-28 6:45 ` [PATCH] md - 5 of 8 - Handle hot-add for arrays with non-persistent superblocks NeilBrown
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