Re: [zfs-discuss] Data distribution not even between vdevs

2011-11-10 Thread Edward Ned Harvey
> From: Gregg Wonderly [mailto:gregg...@gmail.com] > > > There is no automatic way to do it. > For me, this is a key issue. If there was an automatic rebalancing mechanism, > that same mechanism would work perfectly to allow pools to have disk sets > removed. It would provide the needed basic me

Re: [zfs-discuss] Data distribution not even between vdevs

2011-11-09 Thread Gregg Wonderly
On 11/9/2011 8:05 AM, Edward Ned Harvey wrote: From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Ding Honghui But now, as show below, the first 2 raidz1 vdev usage is about 78% and the last 2 raidz1 vdev usage is about 93%. In this case, when y

Re: [zfs-discuss] Data distribution not even between vdevs

2011-11-09 Thread Edward Ned Harvey
> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- > boun...@opensolaris.org] On Behalf Of Ding Honghui > > But now, as show below, the first 2 raidz1 vdev usage is about 78% and the > last 2 raidz1 vdev usage is about 93%. In this case, when you write, it should be writing to the f

[zfs-discuss] Data distribution not even between vdevs

2011-11-08 Thread Ding Honghui
Hi list, My zfs write performance is poor and need your help. I create zpool with 2 raidz1. When the space is to be used up, I add 2 another raidz1 to extend the zpool. After some days, the zpool is almost full, I remove some old data. But now, as show below, the first 2 raidz1 vdev usage is abo