Neil Brown wrote:
I've recently become aware that we really need FAILFAST - possibly for
all IO from RAID1/5. Modern drives don't need any retry at the OS
level - if the retry in the firmware cannot get the data, nothing will.
Thanks. I agree that we do need something along these lines. It
Neil Brown writes:
On Wednesday September 5, [EMAIL PROTECTED] wrote:
...
2) It adds a threshold on the level of recent error acivity which is
acceptable in a given interval, all configured through /sys. If a
mirror has generated more errors in this interval than the threshold,
On Wednesday September 5, [EMAIL PROTECTED] wrote:
I've been looking at ways to minimize the impact of a faulty drive in
a raid1 array. Our major problem is that a faulty drive can absorb
lots of wall clock time in error recovery within the device driver
(SATA libata error handler in this