Slightly of topic, but I have just added a RAID 1 array using SCSI
disks, containing the maildirs for a small (25 users) mail and IMAP server.
I notice the default kernel setting for TCQ on the disks, is a depth of
4 and wondered if there was much to be gained from making this larger,
or do the disks just end up fighting the elevator code?
Regards,
Richard
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