Wester Digital 'deep recovery cycle' and gstripe?
modulok at gmail.com
Tue Nov 17 21:26:43 UTC 2009
Correction, it would be a graid3 setup. Sorry.
On 11/17/09, Adam Vande More <amvandemore at gmail.com> wrote:
> On Tue, Nov 17, 2009 at 2:49 PM, Modulok <modulok at gmail.com> wrote:
>> 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?
>> In a stripe, if one goes it all goes. However I am not certain it's an
> issue in your case, the gstripe labeling mode with create a persistent
> config. If there's not a better answer, best thing to do would be to test
> it out. setting up gstripe takes like 10 minutes.
> Adam Vande More
More information about the freebsd-questions