From: Peter Kieser <peter@kieser.ca>
To: Neil Brown <neilb@suse.de>, Terry Hardie <thardie@instartlogic.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: Hung RAID5 array with discard
Date: Thu, 22 Oct 2015 21:57:40 -0700 [thread overview]
Message-ID: <5629BE44.8070205@kieser.ca> (raw)
In-Reply-To: <87y4euxkj2.fsf@notabene.neil.brown.name>
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On 2015-10-22 9:42 PM, Neil Brown wrote:
> Peter Kieser <peter@kieser.ca> writes:
>
>> FYI I ran into this problem in 3.18.22 when forcing RAID5 TRIM support
>> w/ raid456.devices_handle_discard_safely on Intel DC S3500 SSDs.
> Can you please be precise about the problem you experienced.
> Complete kernel messages are a minimum.
> Anything interesting that might have been happening at the time might
> help.
>
> Thanks,
> NeilBrown
Same behaviour as the original poster. Enabled the module knob, then ran
mkfs.ext4, which starts to do "Discarding device blocks" and then the
machine hard locked. No kernel messages.
-Peter
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next prev parent reply other threads:[~2015-10-23 4:57 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-18 3:08 Hung RAID5 array with discard Terry Hardie
2015-03-04 21:47 ` Terry Hardie
2015-03-23 2:57 ` NeilBrown
2015-10-22 16:07 ` Peter Kieser
2015-10-23 4:42 ` Neil Brown
2015-10-23 4:57 ` Peter Kieser [this message]
2015-10-23 5:51 ` Neil Brown
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