Re: [zfs-discuss] Solaris Based Systems Lock Up - Possibly ZFS/memory related?

2011-11-03 Thread Edward Ned Harvey
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Lachlan Mulcahy I have been having issues with Solaris kernel based systems locking up and am wondering if anyone else has observed a similar symptom before. ... Dell R710 / 80G Memory

Re: [zfs-discuss] Solaris Based Systems Lock Up - Possibly ZFS/memory related?

2011-11-03 Thread Edward Ned Harvey
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Lachlan Mulcahy *       Recommendation from Sun (Oracle) to work around a bug: *       6958068 - Nehalem deeper C-states cause erratic scheduling behavior set idle_cpu_prefer_mwait = 0 set

[zfs-discuss] Remove corrupt files from snapshot

2011-11-03 Thread sbremal
Hello, I have got a bunch of corrupted files in various snapshots on my ZFS file backing store. I was not able to recover them so decided to remove all, otherwise the continuously make trouble for my incremental backup (rsync, diff etc. fails). However, snapshots seem to be read-only: #

Re: [zfs-discuss] Remove corrupt files from snapshot

2011-11-03 Thread Michael Schuster
Hi, snapshots are read-only by design; you can clone them and manipulate the clone, but the snapshot itself remains r/o. HTH Michael On Thu, Nov 3, 2011 at 13:35, sbre...@hotmail.com wrote: Hello, I have got a bunch of corrupted files in various snapshots on my ZFS file backing store. I

Re: [zfs-discuss] Remove corrupt files from snapshot

2011-11-03 Thread Paul Kraus
On Thu, Nov 3, 2011 at 8:35 AM, sbre...@hotmail.com wrote: I have got a bunch of corrupted files in various snapshots on my ZFS file backing store. I was not able to recover them so decided to remove all, otherwise the continuously make trouble for my incremental backup (rsync, diff etc.

Re: [zfs-discuss] Remove corrupt files from snapshot

2011-11-03 Thread Tomas Forsman
On 03 November, 2011 - Paul Kraus sent me these 1,3K bytes: On Thu, Nov 3, 2011 at 8:35 AM, sbre...@hotmail.com wrote: I have got a bunch of corrupted files in various snapshots on my ZFS file backing store. I was not able to recover them so decided to remove all, otherwise the

[zfs-discuss] sd_max_throttle

2011-11-03 Thread Gary
Hi folks, I'm reading through some I/O performance tuning documents and am finding some older references to sd_max_throttle kernel/project settings. Have there been any recent books or documentation written that talks about this more in depth? It seems to be more appropriate for FC or DAS but I'm

Re: [zfs-discuss] sd_max_throttle

2011-11-03 Thread Hung-Sheng Tsao (Lao Tsao 老曹) Ph.D.
for ZFS appliance NFS or SMB(CIFS) as File server sd_max_throttle donot play for FC or iSCSI it may play regards On 11/3/2011 5:29 PM, Gary wrote: Hi folks, I'm reading through some I/O performance tuning documents and am finding some older references to sd_max_throttle kernel/project

Re: [zfs-discuss] Solaris Based Systems Lock Up - Possibly ZFS/memory related?

2011-11-03 Thread Lachlan Mulcahy
Hi Edward, Thanks for your input. Please see http://mail.opensolaris.org/pipermail/zfs-discuss/2010-November/046189.html But I'll need to expand upon this a little more here: When we bought that system, solaris was a supported os on the R710. We paid for oracle gold support (or whatever