From: Bill Davidsen <davidsen@tmr.com>
To: Goswin von Brederlow <goswin-v-b@web.de>
Cc: Neil Brown <neilb@suse.de>, Steven Ellis <steven@openmedia.co.nz>,
Linux RAID <linux-raid@vger.kernel.org>
Subject: Re: Any benefity to write intent bitmaps on Raid1
Date: Sat, 11 Apr 2009 09:08:39 -0400 [thread overview]
Message-ID: <49E09657.4020809@tmr.com> (raw)
In-Reply-To: <877i1rpogf.fsf@frosties.localdomain>
Goswin von Brederlow wrote:
> Neil Brown <neilb@suse.de> writes:
>
>
>> You could make it work, but there would be a performance hit.
>>
>> Now look at your cases where a filesystem doesn't work well:
>> 1/ Swap. That is a non-issue. After a crash, the contents of swap
>> are irrelevant. Without a crash, the races you refer to are
>> irrelevant.
>>
>
> What about suspend to swap?
>
suspend is a "without a crash" case, I wouldn't want to restore from
swap if the system failed to complete a clean shutdown.
--
bill davidsen <davidsen@tmr.com>
CTO TMR Associates, Inc
"You are disgraced professional losers. And by the way, give us our money back."
- Representative Earl Pomeroy, Democrat of North Dakota
on the A.I.G. executives who were paid bonuses after a federal bailout.
next prev parent reply other threads:[~2009-04-11 13:08 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-09 0:24 Any benefity to write intent bitmaps on Raid1 Steven Ellis
2009-04-09 1:30 ` Bryan Mesich
2009-04-09 5:59 ` Neil Brown
2009-04-09 6:26 ` Goswin von Brederlow
2009-04-10 9:04 ` Neil Brown
2009-04-11 2:56 ` Goswin von Brederlow
2009-04-11 5:35 ` Neil Brown
2009-04-11 8:46 ` Goswin von Brederlow
2009-04-11 13:08 ` Bill Davidsen [this message]
2009-04-09 22:51 ` Bill Davidsen
2009-04-10 9:10 ` Neil Brown
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