|To:||Leslie Rhorer <lrhorer@xxxxxxxxxxxx>, Sean Caron <scaron@xxxxxxxxx>|
|Subject:||Re: Corrupted files|
|From:||Sean Caron <scaron@xxxxxxxxx>|
|Date:||Tue, 9 Sep 2014 21:25:37 -0400|
|Cc:||Dave Chinner <david@xxxxxxxxxxxxx>, "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>|
|References:||<540F1B01.3020700@xxxxxxxxxxxx> <20140909220645.GH20518@dastard> <540FA586.9090308@xxxxxxxxxxxx>|
You really don't want to be running "green" anything in an array... that is a ticking time bomb just waiting to go off... let me tell you... At my installation, a predecessor had procured a large number of green drives because they were very inexpensive and regrets were had by all. Lousy performance, lots of spurious ejection/RAID gremlins and the failure rate on the WDC Greens is just appalling...
BBWC stands for Battery Backed Write Cache; this is a feature of hardware RAID cards; it is just like it says on the tin; a bit (usually half a gig, or a gig, or two...) of nonvolatile cache that retains writes to the array in case of power failure, etc. If you have BBWC enabled but your battery is dead, bad things can happen. Not applicable for JBOD software RAID.
I hold firm to my beliefs on xfs_repair :) As I say, you'll see a variety of opinions here.Â
On Tue, Sep 9, 2014 at 9:12 PM, Leslie Rhorer <lrhorer@xxxxxxxxxxxx> wrote:
On 9/9/2014 5:06 PM, Dave Chinner wrote:
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