[mythtv-users] Building a library.....chews up space!!
James Oltman
cnlibmyth at gmail.com
Mon Mar 28 19:01:03 UTC 2011
On Mon, Mar 28, 2011 at 1:07 PM, DaWorm <daworm at gmail.com> wrote:
> > RAID5 can only survive a single drive failure.
>
> My old array, on a 3ware hardware card, could survive a two drive
> failure, since I had one drive as a hot spare, and it did so on at
> least three occasions over its 10 year life.
>
> My current mdadm setup doesn't have the hotspare at the moment (I
> needed the drive for some sneakernetting) but it does support it.
>
While MDADM does support "hot spare" and other amazing features, RAID5 still
isn't the best idea. Even the rebuild process with a hot spare in a RAID5
can suffer another drive failing. That would kill the array.
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