Re: [zfs-discuss] Large scale performance query

2011-08-08 Thread Andrew Gabriel
Alexander Lesle wrote: And what is your suggestion for scrubbing a mirror pool? Once per month, every 2 weeks, every week. There isn't just one answer. For a pool with redundancy, you need to do a scrub just before the redundancy is lost, so you can be reasonably sure the remaining data is

[zfs-discuss] Mirrored rpool

2011-08-08 Thread Lanky Doodle
Hiya, I am using S11E Live CD to install. The install wouldn't let me select 2 disks for a mirrored rpool so I done this post-install using this guide; http://darkstar-solaris.blogspot.com/2008/09/zfs-root-mirror.html Before I go ahead and continue building my server (zpools) I want to make sur

Re: [zfs-discuss] [OpenIndiana-discuss] Question about WD drives with Super Micro systems

2011-08-08 Thread Gregory Youngblood
On Aug 6, 2011, at 9:56 AM, Roy Sigurd Karlsbakk wrote: >> In my experience, SATA drives behind SAS expanders just don't work. >> They "fail" in the manner you >> describe, sooner or later. Use SAS and be happy. > > Funny thing is Hitachi and Seagate drives work stably, whereas WD drives tend >

Re: [zfs-discuss] Mirrored rpool

2011-08-08 Thread LaoTsao
http://download.oracle.com/docs/cd/E19963-01/html/821-1448/gjtuk.html#gjtui Sent from my iPad Hung-Sheng Tsao ( LaoTsao) Ph.D On Aug 8, 2011, at 5:15, Lanky Doodle wrote: > Hiya, > > I am using S11E Live CD to install. The install wouldn't let me select 2 > disks for a mirrored rpool so I do

Re: [zfs-discuss] Mirrored rpool

2011-08-08 Thread Edward Ned Harvey
> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- > boun...@opensolaris.org] On Behalf Of Lanky Doodle > > Before I go ahead and continue building my server (zpools) I want to make > sure the above guide is correct for S11E? You should simply boot from each disk, while the other di

[zfs-discuss] matching zpool versions to development builds

2011-08-08 Thread John Martin
Is there a list of zpool versions for development builds? I found: http://blogs.oracle.com/stw/entry/zfs_zpool_and_file_system where it says Solaris 11 Express is zpool version 31, but my system has BEs back to build 139 and I have not done a zpool upgrade since installing this system but it

Re: [zfs-discuss] matching zpool versions to development builds

2011-08-08 Thread Andrew Gabriel
John Martin wrote: Is there a list of zpool versions for development builds? I found: http://blogs.oracle.com/stw/entry/zfs_zpool_and_file_system where it says Solaris 11 Express is zpool version 31, but my system has BEs back to build 139 and I have not done a zpool upgrade since installing t

[zfs-discuss] rpool recover not using zfs send/receive

2011-08-08 Thread marvin curlee
Is it possible to recover the rpool with only a tar/star archive of the root filesystem? I have used the zfs send/receive methods and that work without a problem. What I am trying to do is recreate the rpool and underlying zfs filesystems (rpool/ROOT, rpool/s10_uXX, rpool/dump, rpool/swa

Re: [zfs-discuss] rpool recover not using zfs send/receive

2011-08-08 Thread Ian Collins
On 08/ 9/11 07:53 AM, marvin curlee wrote: Is it possible to recover the rpool with only a tar/star archive of the root filesystem? I have used the zfs send/receive methods and that work without a problem. What I am trying to do is recreate the rpool and underlying zfs filesystems (rpool/RO

Re: [zfs-discuss] [OpenIndiana-discuss] Question about WD drives with Super Micro systems

2011-08-08 Thread Pasi Kärkkäinen
On Sat, Aug 06, 2011 at 07:45:31PM +0200, Roy Sigurd Karlsbakk wrote: > > Might this be the SATA drives taking too long to reallocate bad > > sectors? This is a common problem "desktop" drives have, they will > > stop and basically focus on reallocating the bad sector as long as it > > takes, which

Re: [zfs-discuss] Large scale performance query

2011-08-08 Thread Peter Jeremy
On 2011-Aug-08 17:12:15 +0800, Andrew Gabriel wrote: >periodic scrubs to cater for this case. I do a scrub via cron once a >week on my home system. Having almost completely filled the pool, this >was taking about 24 hours. However, now that I've replaced the disks and >done a send/recv of the d

Re: [zfs-discuss] booting from ashift=12 pool..

2011-08-08 Thread Daniel Carosone
On Mon, Aug 01, 2011 at 01:25:35PM +1000, Daniel Carosone wrote: > To be clear, the system I was working on the other day is now running > with a normal ashift=9 pool, on a mirror of WD 2TB EARX. Not quite > what I was hoping for, but hopefully it will be OK; I won't have much > chance to mess wit