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Re: [K12OSN] New Building's LTSP Server



On Tue, Apr 19, 2011 at 11:19:03AM -0500, Les Mikesell wrote:
> On 4/19/2011 11:05 AM, Terrell Prude' Jr. wrote:
> >
> >I am actually a fan of RAID 5 for a lot of situations, as I find it
> >certainly fast enough for my purposes, plenty reliable, and very
> >efficient with storage. But a RAID 1 or even "RAID 10" setup, depending
> >on the specific situation, would also work well.
> 
> For things that can fit on a single drive, software raid1 has the
> advantage of letting you easily recover the data from any disk that
> survives any kind of disaster, on any machine with a physically
> compatible controller.  And if you can use a mount point layout that
> distributes the load/activity across several raid sets your
> real-world performance will probably be as good or better than
> raid10 even if the 'big sequential file' benchmarks aren't as fast.
> 
Would a hardware RAID 1 disk be recoverable without the hardware RAID
controller?  I guess I'm asking if hardware RAID 1 is simply a mirror,
or if the controllers do something funny to the drives which makes them
unreadable without that controller.

-Rob


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