Re: [zfs-discuss] Periodic flush

2008-03-28 Thread Robert Milkowski
Hello eric, Thursday, March 27, 2008, 9:36:42 PM, you wrote: ek On Mar 27, 2008, at 9:24 AM, Bob Friesenhahn wrote: On Thu, 27 Mar 2008, Neelakanth Nadgir wrote: This causes the sync to happen much faster, but as you say, suboptimal. Haven't had the time to go through the bug report, but

Re: [zfs-discuss] pool hangs for 1 full minute?

2008-03-28 Thread Trevor Watson
I don't suppose that there's any chance it could be caused by the disks being powered down could it? Neal Pollack wrote: For the last few builds of Nevada, if I come back to my workstation after long idle periods such as overnight, and try any command that would touch the zfs filesystem, it

Re: [zfs-discuss] ZFS data recovery

2008-03-28 Thread James Lick
Hi Lukas, I've encountered a problem similar to yours where a zfs pool became unaccessible after a reboot with the error The pool metadata is corrupted. In my case I'm running on Solaris 10 8/07 127112-11. Can you explain how you determined the offsets for modifying vdev_uberblock_compare,

Re: [zfs-discuss] Metadata corrupted

2008-03-28 Thread Alasdair Lumsden
Hi There, Were you able to fix this problem in the end? This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS data recovery

2008-03-28 Thread Alasdair Lumsden
Hi There, Is there any chance you could go into a little more detail, perhaps even document the procedure, for the benefit of others experiencing a similar problem? We had a mirrored array, which after a powercut shows the zpool as faulted, and are keen to find a way to recover the zpool.

Re: [zfs-discuss] kernel memory and zfs

2008-03-28 Thread Matt Cohen
[EMAIL PROTECTED]:~ #mdb -k Loading modules: [ unix krtld genunix specfs dtrace uppc pcplusmp ufs md mpt ip hook neti sctp arp usba uhci fcp fctl qlc nca lofs zfs random fcip crypto logindmux ptm nfs ] ::memstat Page SummaryPagesMB %Tot

Re: [zfs-discuss] nfs and smb performance

2008-03-28 Thread abs
That is the first thing i checked. Prior to that I was getting somewhere around 1 ~ 5 MB/sec. Thank you though. Dale Ghent [EMAIL PROTECTED] wrote: Have you turned on the Ignore cache flush commands option on the xraids? You should ensure this is on when using ZFS on them. /dale On Mar

Re: [zfs-discuss] nfs and smb performance

2008-03-28 Thread abs
Sorry for being vague but I actually tried it with the cifs in zfs option, but I think I will try the samba option now that you mention it. Also is there a way to actually improve the nfs performance specifically? cheers, abs Peter Brouwer, Principal Storage Architect, Office of the Chief

Re: [zfs-discuss] nfs and smb performance

2008-03-28 Thread Richard Elling
abs wrote: Sorry for being vague but I actually tried it with the cifs in zfs option, but I think I will try the samba option now that you mention it. Also is there a way to actually improve the nfs performance specifically? We have some recommendations for improving NFS with ZFS on the

Re: [zfs-discuss] pool hangs for 1 full minute?

2008-03-28 Thread Richard Elling
Trevor Watson wrote: I don't suppose that there's any chance it could be caused by the disks being powered down could it? Note that the default retry interval for disks is 60 seconds... sounds like a plausible explanation. -- richard Neal Pollack wrote: For the last few builds of Nevada,

Re: [zfs-discuss] nfs and smb performance

2008-03-28 Thread Bob Friesenhahn
On Fri, 28 Mar 2008, abs wrote: Sorry for being vague but I actually tried it with the cifs in zfs option, but I think I will try the samba option now that you mention it. Also is there a way to actually improve the nfs performance specifically? CIFS uses TCP. NFS uses either TCP or

Re: [zfs-discuss] zfs device busy

2008-03-28 Thread Marion Hakanson
[EMAIL PROTECTED] said: I am having trouble destroying a zfs file system (device busy) and fuser isn't telling me who has the file open: . . . This situation appears to occur every night during a system test. The only peculiar operation on the errant file system is that another system NFS

Re: [zfs-discuss] zfs device busy

2008-03-28 Thread Fred Oliver
Marion Hakanson wrote: [EMAIL PROTECTED] said: I am having trouble destroying a zfs file system (device busy) and fuser isn't telling me who has the file open: . . . This situation appears to occur every night during a system test. The only peculiar operation on the errant file system is

Re: [zfs-discuss] ZFS on Freebsd 7.0

2008-03-28 Thread Joe
On Dec 7, 2007, at 1:05 PM, Karl Pielorz wrote: --On 07 December 2007 11:18 -0600 Jason Morton [EMAIL PROTECTED] wrote: I am using ZFS on FreeBSD 7.0_beta3. This is the first time i have used ZFS and I have run into something that I am not sure if this is normal, but am very

[zfs-discuss] zfs recv table of contents?

2008-03-28 Thread Bill Shannon
Is there a zfs recv-like command that will list a table of contents for what's in a stream? ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] zfs device busy

2008-03-28 Thread Richard Elling
Fred Oliver wrote: I am having trouble destroying a zfs file system (device busy) and fuser isn't telling me who has the file open: # zfs destroy files/custfs/cust12/2053699a cannot unmount '/files/custfs/cust12/2053699a': Device busy # zfs unmount files/custfs/cust12/2053699a cannot

Re: [zfs-discuss] nfs and smb performance

2008-03-28 Thread Richard Elling
Bob Friesenhahn wrote: On Fri, 28 Mar 2008, abs wrote: Sorry for being vague but I actually tried it with the cifs in zfs option, but I think I will try the samba option now that you mention it. Also is there a way to actually improve the nfs performance specifically? CIFS

Re: [zfs-discuss] nfs and smb performance

2008-03-28 Thread Bob Friesenhahn
CIFS uses TCP. NFS uses either TCP or UDP, and usually UDP by default. For Sun systems, NFSv3 using 32kByte [rw]size over TCP has been the default configuration for 10+ years. Do you still see clients running NFSv2 over UDP? Yes, I see that TCP is the default in Solaris 9. Is it also

[zfs-discuss] zfsdump

2008-03-28 Thread Bill Shannon
I wrote a simple script to dump zfs snapshots in a similar way to what I did with ufsdump. In particular, it supports dump levels. This is still very crude, but I'd appreciate comments. Does what I'm doing make sense, or do I misunderstand zfs? Thanks. - #!/bin/ksh # # XXX - real option