[mythtv-users] Reassemble RAID with mdadm

[John Drescher]

> Believe you can do a raid5 configuration with 3 drives.  However
> generating the parity bit slows things down on the write.
>

That depends on tuning and how often the writes occur. The forced
flushes with multiple streams work very much against performance.
Tuning the stripe cache can reduce this problem but that risks
corruption in the unlikely event that the system looses power or
crashes.

John