From: "kyle" <kylewong@southa.com>
To: Steve Cousins <steve.cousins@maine.edu>,
Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: change strip_cache_size freeze the whole raid
Date: Mon, 22 Jan 2007 23:13:34 +0800 [thread overview]
Message-ID: <00ad01c73e37$e60c2ef0$28df0f3d@kylecea1512a3f> (raw)
In-Reply-To: 45B4D0ED.7030500@maine.edu
> Justin Piszcz wrote:
>> Yes, I noticed this bug too, if you change it too many times or change it
>> at the 'wrong' time, it hangs up when you echo numbr >
>> /proc/stripe_cache_size.
>>
>> Basically don't run it more than once and don't run it at the 'wrong'
>> time and it works. Not sure where the bug lies, but yeah I've seen that
>> on 3 different machines!
>
> Can you tell us when the "right" time is or maybe what the "wrong" time
> is? Also, is this kernel specific? Does it (increasing
> stripe_cache_size) work with RAID6 too?
>
> Thanks,
>
> Steve
I think if your /sys/block/md_your_raid6/md/ have a file
"stripe_cache_size", then it should works with raid6 too.
Kyle
WARNING: multiple messages have this Message-ID (diff)
From: "kyle" <kylewong@southa.com>
To: "Steve Cousins" <steve.cousins@maine.edu>,
"Justin Piszcz" <jpiszcz@lucidpixels.com>
Cc: <linux-raid@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: change strip_cache_size freeze the whole raid
Date: Mon, 22 Jan 2007 23:13:34 +0800 [thread overview]
Message-ID: <00ad01c73e37$e60c2ef0$28df0f3d@kylecea1512a3f> (raw)
In-Reply-To: 45B4D0ED.7030500@maine.edu
> Justin Piszcz wrote:
>> Yes, I noticed this bug too, if you change it too many times or change it
>> at the 'wrong' time, it hangs up when you echo numbr >
>> /proc/stripe_cache_size.
>>
>> Basically don't run it more than once and don't run it at the 'wrong'
>> time and it works. Not sure where the bug lies, but yeah I've seen that
>> on 3 different machines!
>
> Can you tell us when the "right" time is or maybe what the "wrong" time
> is? Also, is this kernel specific? Does it (increasing
> stripe_cache_size) work with RAID6 too?
>
> Thanks,
>
> Steve
I think if your /sys/block/md_your_raid6/md/ have a file
"stripe_cache_size", then it should works with raid6 too.
Kyle
next prev parent reply other threads:[~2007-01-22 15:13 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-22 11:02 change strip_cache_size freeze the whole raid kyle
2007-01-22 12:18 ` Justin Piszcz
2007-01-22 13:09 ` kyle
2007-01-22 13:09 ` kyle
2007-01-22 14:56 ` Justin Piszcz
2007-01-22 15:18 ` kyle
2007-01-22 15:18 ` kyle
2007-01-22 14:57 ` Steve Cousins
2007-01-22 15:01 ` Justin Piszcz
2007-01-23 14:22 ` kyle
2007-01-23 14:22 ` kyle
2007-01-22 15:10 ` Justin Piszcz
2007-01-22 15:13 ` kyle [this message]
2007-01-22 15:13 ` kyle
2007-01-22 16:10 ` Liang Yang
2007-01-22 16:10 ` Liang Yang
2007-01-22 20:23 ` Neil Brown
2007-01-22 22:47 ` Neil Brown
2007-01-23 10:57 ` Justin Piszcz
2007-01-24 23:24 ` Justin Piszcz
2007-01-25 0:13 ` Neil Brown
2007-01-25 0:16 ` Justin Piszcz
2007-01-25 2:29 ` Neil Brown
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