[zfs-discuss] A disk on Thumper giving random CKSUM error counts

2012-06-10 Thread Jim Klimov
Hello all, As some of you might remember, there is a Sun Fire X4500 (Thumper) server that I was asked to help upgrade to modern disks. It is still in a testing phase, and the one UltraStar 3Tb currently available to the server's owners is humming in the server, with one small partition on its

[zfs-discuss] Scrub works in parallel?

2012-06-10 Thread Kalle Anka
Assume we have 100 disks in one zpool. Assume it takes 5 hours to scrub one disk. If I scrub the zpool, how long time will it take? Will it scrub one disk at a time, so it will take 500 hours, i.e. in sequence, just serial? Or is it possible to run the scrub in parallel, so it takes 5h no

Re: [zfs-discuss] Scrub works in parallel?

2012-06-10 Thread Tomas Forsman
On 10 June, 2012 - Kalle Anka sent me these 1,5K bytes: Assume we have 100 disks in one zpool. Assume it takes 5 hours to scrub one disk. If I scrub the zpool, how long time will it take? Will it scrub one disk at a time, so it will take 500 hours, i.e. in sequence, just serial? Or is it

Re: [zfs-discuss] Scrub works in parallel?

2012-06-10 Thread Edward Ned Harvey
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Kalle Anka Assume we have 100 disks in one zpool. Assume it takes 5 hours to scrub one disk. If I scrub the zpool, how long time will it take? Will it scrub one disk at a time, so it will