[Beowulf] Surviving a double disk failure
mwill at penguincomputing.com
Fri Apr 10 10:27:43 PDT 2009
raid6 is also new code with new bugs that can lead to dataloss as well, regardless of its nice 'can survive
two drive failures' feature. I have seen it happen.
From: beowulf-bounces at beowulf.org on behalf of Orion Poplawski
Sent: Fri 4/10/2009 10:23 AM
To: landman at scalableinformatics.com
Cc: Beowulf List
Subject: Re: [Beowulf] Surviving a double disk failure
Joe Landman wrote:
> Stuart Midgley wrote:
> Good work Stuart!
>> What are the lessons learnt? Well with software raid Linux is both your
> 1) Use RAID6. It is your friend. RAID5 is unashamedly your enemy.
So, what's a reasonably limit on the number of disks in a RAID6 array
using 1.5TB disks?
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