From: Dan Williams <dan.j.williams@gmail.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-raid <linux-raid@vger.kernel.org>
Subject: Re: RAID-10 keeps aborting
Date: Sun, 2 Jun 2013 23:14:45 -0700 [thread overview]
Message-ID: <CAA9_cme6tYpYnrZDbrDduwPCjVn+PFbx_rZNPFazBEU9EF0upw@mail.gmail.com> (raw)
In-Reply-To: <51AC3283.4000403@zytor.com>
On Sun, Jun 2, 2013 at 11:06 PM, H. Peter Anvin <hpa@zytor.com> wrote:
> On 06/02/2013 10:47 PM, Dan Williams wrote:
>>
>> One hack to prove this may be to explicitly disable write_same before
>> the array is assembled:
>>
>> for i in /sys/class/scsi_disk/*/max_write_same_blocks; do echo 0 > $i; done
>>
>> If this works then maybe md needs to be tolerant of write_same
>> failures since the block layer will simply retry with zeroes.
>>
>
> Trying that (array is already assembled but is currently functional.)
> Let's hope it works.
>
If I'm reading things correctly that may still result in failure since
md will still pass the REQ_WRITE_SAME bios down to the the devices and
will receive BLK_PREP_KILL for its trouble. md only notices that
write same is disabled on underlying devices at assembly time.
next prev parent reply other threads:[~2013-06-03 6:14 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-03 3:57 RAID-10 keeps aborting H. Peter Anvin
2013-06-03 4:05 ` H. Peter Anvin
2013-06-03 5:47 ` Dan Williams
2013-06-03 6:06 ` H. Peter Anvin
2013-06-03 6:14 ` Dan Williams [this message]
2013-06-03 6:30 ` H. Peter Anvin
2013-06-03 14:39 ` H. Peter Anvin
2013-06-11 16:47 ` Joe Lawrence
2013-06-11 17:12 ` H. Peter Anvin
2013-06-03 15:47 ` H. Peter Anvin
2013-06-03 16:09 ` Joe Lawrence
2013-06-03 17:22 ` Dan Williams
2013-06-03 17:40 ` H. Peter Anvin
2013-06-03 18:35 ` Martin K. Petersen
2013-06-03 18:38 ` H. Peter Anvin
2013-06-03 18:40 ` H. Peter Anvin
2013-06-03 22:20 ` H. Peter Anvin
2013-06-03 22:34 ` H. Peter Anvin
2013-06-04 15:56 ` Martin K. Petersen
2013-06-03 23:19 ` H. Peter Anvin
2013-06-04 15:39 ` Joe Lawrence
2013-06-04 15:46 ` H. Peter Anvin
2013-06-04 15:54 ` Martin K. Petersen
2013-06-05 10:02 ` Bernd Schubert
2013-06-05 11:38 ` Bernd Schubert
2013-06-05 12:53 ` [PATCH] scsi: Check if the device support WRITE_SAME_10 Bernd Schubert
2013-06-05 19:14 ` Martin K. Petersen
2013-06-05 20:09 ` Bernd Schubert
2013-06-07 2:15 ` Martin K. Petersen
2013-06-12 19:34 ` Bernd Schubert
2013-06-05 19:11 ` RAID-10 keeps aborting Martin K. Petersen
2013-06-04 17:36 ` Dan Williams
2013-06-04 17:54 ` Martin K. Petersen
2013-06-04 17:57 ` H. Peter Anvin
2013-06-04 18:04 ` Martin K. Petersen
2013-06-04 18:32 ` Dan Williams
2013-06-04 18:38 ` H. Peter Anvin
2013-06-04 18:56 ` Dan Williams
2013-06-05 2:39 ` H. Peter Anvin
[not found] ` <(H.>
[not found] ` <Peter>
[not found] ` <Anvin's>
[not found] ` <message>
[not found] ` <of>
[not found] ` <"Wed>
[not found] ` <"Thu>
[not found] ` <"Tue>
[not found] ` <04>
[not found] ` <Jun>
[not found] ` <2013>
[not found] ` <14:27:47>
[not found] ` <-0400")>
2013-06-07 2:19 ` Martin K. Petersen
2013-06-10 14:15 ` Joe Lawrence
2013-06-12 3:15 ` NeilBrown
2013-06-12 4:07 ` H. Peter Anvin
2013-06-12 6:29 ` Bernd Schubert
2013-06-12 10:22 ` Joe Lawrence
2013-06-12 14:28 ` Martin K. Petersen
2013-06-12 14:25 ` Martin K. Petersen
2013-06-12 14:29 ` H. Peter Anvin
2013-06-12 14:34 ` Martin K. Petersen
2013-06-12 14:37 ` H. Peter Anvin
2013-06-12 14:45 ` H. Peter Anvin
[not found] ` <5AA430FFE4486C448003201AC83BC85E0360CE3F@EXHQ.corp.stratus! .com>
[not found] ` <5AA430FFE4486C448003201AC83BC85E0360CE3F@EXHQ.corp.stratus.com>
2013-06-12 15:58 ` H. Peter Anvin
2013-06-13 3:10 ` NeilBrown
2013-06-13 3:13 ` H. Peter Anvin
2013-06-13 3:31 ` NeilBrown
2013-06-13 21:40 ` Martin K. Petersen
2013-06-13 2:45 ` Joe Lawrence
2013-06-13 3:11 ` NeilBrown
[not found] ` <19:39:58>
[not found] ` <-0700")>
2013-06-05 19:29 ` Martin K. Petersen
2013-06-06 18:27 ` Joe Lawrence
[not found] ` <(Joe>
2013-06-06 18:36 ` H. Peter Anvin
2013-06-12 14:43 ` Martin K. Petersen
2013-06-11 21:50 ` Joe Lawrence
2013-06-11 21:53 ` H. Peter Anvin
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