From: NeilBrown <neilb@suse.com>
To: Nix <nix@esperi.org.uk>
Cc: linux-raid@vger.kernel.org
Subject: Re: 4.11.2: reshape raid5 -> raid6 atop bcache deadlocks at start on md_attr_store / raid5_make_request
Date: Thu, 25 May 2017 11:31:52 +1000 [thread overview]
Message-ID: <874lw9iuwn.fsf@notabene.neil.brown.name> (raw)
In-Reply-To: <87bmqio03i.fsf@esperi.org.uk>
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On Wed, May 24 2017, Nix wrote:
>
> (I'm not sure what to do if it *works* -- how do I test any later
> changes? I might reshape back to RAID-5 + spare again just so I can test
> later stuff, but that would take ages: the array is over 14TiB...)
>
If it works (which it did), then we'll have enough understanding that it
should be easy to simulate the problem accurately in a VM.
I don't think there is any need for you to experiment further on your
data.
Thanks,
NeilBrown
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next prev parent reply other threads:[~2017-05-25 1:31 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-22 9:13 4.11.2: reshape raid5 -> raid6 atop bcache deadlocks at start on md_attr_store / raid5_make_request Nix
2017-05-22 11:35 ` NeilBrown
2017-05-22 15:30 ` Nix
2017-05-22 19:07 ` Wols Lists
2017-05-22 20:43 ` Nix
2017-05-23 1:20 ` NeilBrown
2017-05-23 10:10 ` Nix
2017-05-23 1:39 ` NeilBrown
2017-05-23 14:47 ` Wols Lists
2017-05-24 1:50 ` NeilBrown
2017-05-23 1:07 ` NeilBrown
2017-05-22 21:38 ` Nix
2017-05-23 14:16 ` Wols Lists
2017-05-23 15:00 ` Nix
2017-05-24 1:24 ` NeilBrown
2017-05-24 13:28 ` Nix
2017-05-25 1:31 ` NeilBrown [this message]
2017-05-25 12:14 ` Nix
2017-05-24 19:42 ` Nix
2017-05-24 22:57 ` Shaohua Li
2017-05-25 1:30 ` NeilBrown
2017-05-25 1:46 ` Shaohua Li
2017-05-26 3:23 ` NeilBrown
2017-05-26 16:40 ` Shaohua Li
2017-05-28 23:17 ` NeilBrown
2017-05-30 17:41 ` Shaohua Li
2017-06-05 6:49 ` [PATCH] md: fix deadlock between mddev_suspend() and md_write_start() NeilBrown
2017-06-06 0:01 ` Shaohua Li
2017-06-07 1:45 ` NeilBrown
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