Re: Recovering a raid5 array with strange event count

2007-04-16 Thread Chris Allen
Neil Brown wrote: On Friday April 13, [EMAIL PROTECTED] wrote: Dear All, I have an 8-drive raid-5 array running under 2.6.11. This morning it bombed out, and when I brought it up again, two drives had incorrect event counts: sda1: 0.8258715 sdb1: 0.8258715 sdc1: 0.8258715 sdd1:

Raid5 performance question

2007-04-16 Thread mickg
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I have a raid5 array /dev/md1, being used as the pv of an LVM Volume Group. I have a very peculiar problem with the array: Writes to it happen at 40MB/sec or so. But *reads* from it happen at 10MB/sec. This, given how raid5 works, is a bit weird.