[mythtvnz] File System for RAID-5

[Steve Hodge]

On Mon, Jun 15, 2009 at 9:49 PM, Hadley Rich <hads at nice.net.nz> wrote:

> On Mon, 2009-06-15 at 21:38 +1200, Jim Cheetham wrote:
> > If you lose a second drive while one drive is out of action ... you
> > lose data. Gone.
>
> Same as your two disk RAID1.
>

Not quite. Lose a drive in a RAID5 and the rebuilt will mean accessing
every  bit on every remaining drive. That can add enough stress to cause a
second drive to fail. Lose a drive in a RAID1 and at worst the load will
double, and then only if you keep using the filesystem.

Cheers,
Steve
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