From: Wakko Warner <wakko@animx.eu.org>
To: linux-raid@vger.kernel.org
Subject: Re: Thought about delayed sync
Date: Sun, 9 Oct 2011 09:44:54 -0400 [thread overview]
Message-ID: <20111009134454.GA2831@animx.eu.org> (raw)
In-Reply-To: <201110090634.57750.thomas@fjellstrom.ca>
Thomas Fjellstrom wrote:
> On October 9, 2011, Wakko Warner wrote:
> > On another note, I used this feature to clean the dust out of my disk array
> > in another system. Fail a drive, read the array to verify which drive I
> > physically failed, remove it, clean the dust off, add it back, wait for
> > resync to complete and then do another disk. Resync on that was quick for
> > the 750gb member. Without a bitmap, resync time on that system is 3 hours.
>
> Try it on a 7 1TB drive raid5. fun times. I imagine its much worse with 2, 3
> or 4 TB drives. (though not many people have a bunch of internal 4TB drives I
> imagine).
Actually, I have, well sort of. I have an 8 drive raid6 (2tb disks). It
takes about the same time as a 4 drive raid5 with the same disks.
--
Microsoft has beaten Volkswagen's world record. Volkswagen only created 22
million bugs.
next prev parent reply other threads:[~2011-10-09 13:44 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-08 18:03 Thought about delayed sync Wakko Warner
2011-10-08 22:00 ` Thomas Fjellstrom
2011-10-09 12:04 ` Wakko Warner
2011-10-09 12:34 ` Thomas Fjellstrom
2011-10-09 13:44 ` Wakko Warner [this message]
2011-10-08 22:36 ` NeilBrown
2011-10-09 11:32 ` Alexander Kühn
2011-10-09 22:12 ` NeilBrown
2011-10-09 11:56 ` Wakko Warner
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