On 1/12/2011 1:17 PM, m.roth at 5-cent.us wrote: > Les Mikesell wrote: >> I have a 750Gb 3-member software raid1 where 2 partitions are always > present and the >> third is regularly rotated and re-synced (SATA disks in hot-swap bays). > The timing of >> the resync seems to be extremely variable recently, taking anywhere from > 3 to 10 hours >> even if the partition is unmounted and the drives aren't doing anything > else and >> regardless of what I echo into /proc/sys/dev/raid/speed_limit_min or > _max. Is there >> some way to tell if the drives are going bad or speed it up consistently > if they aren't? > > Only thing I can think is if there's a lot of activity on the disks, with > many, many gigs of files added or deleted. No, I'd expect the issue with any activity that would keep pulling the heads away from the current track being sync'd - but when it is slow it doesn't speed up even if I unmount the device. -- Les Mikesell lesmikesell at gmail.com