it's obvious in retrospect, but I was recently surprised to find
how huge a difference it makes to use larger blocks with raid,
especially raid5. (a large, aligned r5 write can avoid parity reads,
and thus *flies*!).
so how do you get the filesystem to produce larger IOs? large here
is much
The following is (I think) appropriate for 2.4.30. The bug it fixes
can result in data corruption in a fairly unusual circumstance (having
a 3 drive raid1 array running in degraded mode, and suffering a system
crash).
What's unusual? Having a 3 drive raid1 array?
It's not unusual for a
On Saturday March 26, [EMAIL PROTECTED] wrote:
i have a strange problem -- can't get a fully funtional 2 drive raid
back up running-- it may or may not be a drive bios interaction don't
know. none of the mdadm manage functions will work add remove or mark faulty
i have purged and reinstalled
