Date: Tue, 17 Nov 2009 13:03:25 -0800 From: Josef Grosch <jgrosch@es.net> To: Modulok <modulok@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: Wester Digital 'deep recovery cycle' and gstripe? Message-ID: <4B030F9D.6090801@es.net> In-Reply-To: <64c038660911171249r141cc810n62a721e48225954c@mail.gmail.com> References: <64c038660911171249r141cc810n62a721e48225954c@mail.gmail.com>
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Modulok wrote: > List, > > Has anyone used 'Wester Digital Caviar Black' disks in a gstripe? > > I'm building a 2TB gstripe, from 3x 1TB disks. My concern, is the > disks are 'consumer grade' disks. Western Digital mention not to use > them with a raid controller as they have a potential, 'deep recovery > cycle', which an last up to 2 minutes. This would theoretically result > in them being dropped from the array. Despite this, I've heard > successful uses of these disks via gmirror. (Granted, not the same as > gstripe). Again, in theory, if one disk enters a 'deep recovery cycle' > and is dropped from the array, and during that time another disks does > the same the array is toast, right? > > Umm...what are the odds of this occurring? War stories? (The more I > type this out, the more it's starting to sound like a bad idea.) > Thoughts, ideas? > -Modulok- YMMV, but. In the past I have not had good luck with Western Digital disks, they are 'consumer grade'. It has been my experience that Seagate drives hold up better. My $0.02 Josef -- Josef Grosch Email : jgrosch@es.net Computer Systems Engineer Office : 510-486-6597 Lawrence Berkeley National Laboratory Cell : 510-207-9976
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