[zfs-discuss] Replacing root pool disk

2012-04-12 Thread Peter Wood
Hi, I was following the instructions in ZFS Troubleshooting Guide on how to replace a disk in the root pool on x86 system. I'm using OpenIndiana, ZFS pool v.28 with mirrored system rpool. The replacement disk is brand new. root:~# zpool status pool: rpool state: DEGRADED status: One or more

Re: [zfs-discuss] Replacing root pool disk

2012-04-12 Thread Peter Wood
Thank you all for the replies. I'll try the suggested solutions. -- Peter On Thu, Apr 12, 2012 at 2:06 PM, Roberto Waltman li...@rwaltman.com wrote: Cindy Swearingen wrote: We don't yet have an easy way to clear a disk label, ... dd if=/dev/zero of=... on the 1st and last 10% (roughly)

Re: [zfs-discuss] Heavy write IO for no apparent reason

2013-01-17 Thread Peter Wood
On Wed, Jan 16, 2013 at 7:49 PM, Bob Friesenhahn bfrie...@simple.dallas.tx.us wrote: On Wed, 16 Jan 2013, Peter Wood wrote: Running zpool iostat -v (attachment zpool-IOStat.png) shows 1,22K write operations on the drives and 661 on the ZIL. Compare to the other server (who is in way heavier use

Re: [zfs-discuss] Heavy write IO for no apparent reason

2013-01-17 Thread Peter Wood
Right on Tim. Thanks. I didn't know that. I'm sure it's documented somewhere and I should have read it so double thanks for explaining it. On Thu, Jan 17, 2013 at 4:18 PM, Timothy Coalson tsc...@mst.edu wrote: On Thu, Jan 17, 2013 at 5:33 PM, Peter Wood peterwood...@gmail.comwrote

Re: [zfs-discuss] Heavy write IO for no apparent reason

2013-01-17 Thread Peter Wood
Great points Jim. I have requested more information how the gallery share is being used and any temporary data will be moved out of there. About atime, it is set to on right now and I've considered to turn it off but I wasn't sure if this will effect incremental zfs send/receive. 'zfs send -i

[zfs-discuss] Is there performance penalty when adding vdev to existing pool

2013-02-20 Thread Peter Wood
I'm using OpenIndiana 151a7, zpool v28, zfs v5. When I bought my storage servers I intentionally left hdd slots available so I can add another vdev when needed and delay immediate expenses. After reading some posts on the mailing list I'm getting concerned about degrading performance due to

Re: [zfs-discuss] Is there performance penalty when adding vdev to existing pool

2013-02-20 Thread Peter Wood
at 5:46 PM, Bob Friesenhahn bfrie...@simple.dallas.tx.us wrote: On Thu, 21 Feb 2013, Sašo Kiselkov wrote: On 02/21/2013 12:27 AM, Peter Wood wrote: Will adding another vdev hurt the performance? In general, the answer is: no. ZFS will try to balance writes to top-level vdevs

[zfs-discuss] System started crashing hard after zpool reconfigure and OI upgrade

2013-03-20 Thread Peter Wood
I have two identical Supermicro boxes with 32GB ram. Hardware details at the end of the message. They were running OI 151.a.5 for months. The zpool configuration was one storage zpool with 3 vdevs of 8 disks in RAIDZ2. The OI installation is absolutely clean. Just next-next-next until done. All

Re: [zfs-discuss] System started crashing hard after zpool reconfigure and OI upgrade

2013-03-20 Thread Peter Wood
the Supermicro IPMI show anything when it crashes? Does anything show up in event logs in the BIOS, or in system logs under OI? On Wed, Mar 20, 2013 at 11:34 AM, Peter Wood peterwood...@gmail.comwrote: I have two identical Supermicro boxes with 32GB ram. Hardware details at the end of the message

Re: [zfs-discuss] System started crashing hard after zpool reconfigure and OI upgrade

2013-03-20 Thread Peter Wood
dumps? michael On Wed, Mar 20, 2013 at 4:50 PM, Peter Wood peterwood...@gmail.comwrote: I'm sorry. I should have mentioned it that I can't find any errors in the logs. The last entry in /var/adm/messages is that I removed the keyboard after the last reboot and then it shows the new boot up

Re: [zfs-discuss] System started crashing hard after zpool reconfigure and OI upgrade

2013-03-20 Thread Peter Wood
Hi Jim, Thanks for the pointers. I'll definitely look into this. -- Peter Blajev IT Manager, TAAZ Inc. Office: 858-597-0512 x125 On Wed, Mar 20, 2013 at 11:29 AM, Jim Klimov jimkli...@cos.ru wrote: On 2013-03-20 17:15, Peter Wood wrote: I'm going to need some help with the crash dumps

Re: [zfs-discuss] [BULK] System started crashing hard after zpool reconfigure and OI upgrade

2013-03-20 Thread Peter Wood
image from grub. Apologies in advance if I'm stating the obvious. -- Trey On Mar 20, 2013, at 11:34 AM, Peter Wood peterwood...@gmail.com wrote: I have two identical Supermicro boxes with 32GB ram. Hardware details at the end of the message. They were running OI 151.a.5 for months

Re: [zfs-discuss] System started crashing hard after zpool reconfigure and OI upgrade

2013-03-20 Thread Peter Wood
, 2013 at 08:50:40AM -0700, Peter Wood wrote: I'm sorry. I should have mentioned it that I can't find any errors in the logs. The last entry in /var/adm/messages is that I removed the keyboard after the last reboot and then it shows the new boot up messages when I boot up

Re: [zfs-discuss] System started crashing hard after zpool reconfigure and OI upgrade

2013-03-20 Thread Peter Wood
advice to make each crash as useful as possible. Any pointers are appreciated. Thanks, -- Peter On Wed, Mar 20, 2013 at 8:34 AM, Peter Wood peterwood...@gmail.com wrote: I have two identical Supermicro boxes with 32GB ram. Hardware details at the end of the message. They were running OI 151