On Mon, 17 Oct 2005, Brad Knowles wrote:
Note that RAID-1 is the second worst-case for mail server performance
-- it accelerates reads (if you have mirror load-balancing), but all writes
are required to be held until complete on both disks. The only worse case
would be RAID-5, where you have to write (or re-write) an entire RAID block
at once, plus the parity information.
Coming late into the thread...
What is a good raid level for a maildir IMAP server? RAID 10 (or 0+1 as
others call it).
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