From: Milan Broz <mbroz@redhat.com>
To: Marti Raudsepp <marti@juffo.org>
Cc: "\"Ing. Daniel Rozsnyó\"" <daniel@rozsnyo.com>,
linux-kernel@vger.kernel.org, "Neil Brown" <neilb@suse.de>
Subject: Re: bio too big - in nested raid setup
Date: Mon, 25 Jan 2010 19:27:53 +0100 [thread overview]
Message-ID: <4B5DE2A9.4030500@redhat.com> (raw)
In-Reply-To: <5ec358371001250725l40b13060md880001c96be165f@mail.gmail.com>
On 01/25/2010 04:25 PM, Marti Raudsepp wrote:
> 2010/1/24 "Ing. Daniel Rozsnyó" <daniel@rozsnyo.com>:
>> Hello,
>> I am having troubles with nested RAID - when one array is added to the
>> other, the "bio too big device md0" messages are appearing:
>>
>> bio too big device md0 (144 > 8)
>> bio too big device md0 (248 > 8)
>> bio too big device md0 (32 > 8)
>
> I *think* this is the same bug that I hit years ago when mixing
> different disks and 'pvmove'
>
> It's a design flaw in the DM/MD frameworks; see comment #3 from Milan Broz:
> http://bugzilla.kernel.org/show_bug.cgi?id=9401#c3
Hm. I don't think it is the same problem, you are only adding device to md array...
(adding cc: Neil, this seems to me like MD bug).
(original report for reference is here http://lkml.org/lkml/2010/1/24/60 )
Milan
--
mbroz@redhat.com
next prev parent reply other threads:[~2010-01-25 18:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-24 18:49 bio too big - in nested raid setup "Ing. Daniel Rozsnyó"
2010-01-25 15:25 ` Marti Raudsepp
2010-01-25 18:27 ` Milan Broz [this message]
2010-01-28 2:28 ` Neil Brown
2010-01-28 9:24 ` "Ing. Daniel Rozsnyó"
2010-01-28 10:50 ` Neil Brown
2010-01-28 12:07 ` Boaz Harrosh
2010-01-28 22:14 ` Neil Brown
2010-01-31 15:42 ` Boaz Harrosh
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