>>>>> "Justin" == Justin Piszcz <[EMAIL PROTECTED]> writes:

Justin> Is a bitmap created by default with 1.x?  I remember seeing
Justin> reports of 15-30% performance degradation using a bitmap on a
Justin> RAID5 with 1.x.

Not according to the mdadm man page.  I'd probably give up that
performance if it meant that re-syncing an array went much faster
after a crash.

I certainly use it on my RAID1 setup on my home machine.  

John
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