Re: [zfs-discuss] resilver that never finishes

2010-09-19 Thread Markus Kovero
Hi, The drives and the chassis are fine, what I am questioning is how can it be resilvering more data to a device than the capacity of the device? If data on pool has changed during resilver, resilver counter will not update accordingly, and it will show resilvering 100% for needed time to

Re: [zfs-discuss] resilver that never finishes

2010-09-19 Thread Tomas Ă–gren
On 19 September, 2010 - Markus Kovero sent me these 0,5K bytes: Hi, The drives and the chassis are fine, what I am questioning is how can it be resilvering more data to a device than the capacity of the device? If data on pool has changed during resilver, resilver counter will not

Re: [zfs-discuss] resilver that never finishes

2010-09-19 Thread Tom Bird
On 18/09/10 15:25, George Wilson wrote: Tom Bird wrote: In my case, other than an hourly snapshot, the data is not significantly changing. It'd be nice to see a response other than you're doing it wrong, rebuilding 5x the data on a drive relative to its capacity is clearly erratic behaviour,

Re: [zfs-discuss] resilver that never finishes

2010-09-18 Thread Carsten Aulbert
Hi all one of our system just developed something remotely similar: s06:~# zpool status pool: atlashome state: DEGRADED status: One or more devices is currently being resilvered. The pool will continue to function, possibly in a degraded state. action: Wait for the resilver to

Re: [zfs-discuss] resilver that never finishes

2010-09-18 Thread Ian Collins
On 09/18/10 06:47 PM, Carsten Aulbert wrote: Hi all one of our system just developed something remotely similar: s06:~# zpool status pool: atlashome state: DEGRADED status: One or more devices is currently being resilvered. The pool will continue to function, possibly in a

Re: [zfs-discuss] resilver that never finishes

2010-09-18 Thread Carsten Aulbert
Hi On Saturday 18 September 2010 10:02:42 Ian Collins wrote: I see this all the time on a troublesome Thumper. I believe this happens because the data in the pool is continuously changing. Ah ok, that may be, there is one particular active user on this box right now. Interesting I've never

Re: [zfs-discuss] resilver that never finishes

2010-09-18 Thread Ian Collins
On 09/18/10 08:58 PM, Carsten Aulbert wrote: Hi On Saturday 18 September 2010 10:02:42 Ian Collins wrote: I see this all the time on a troublesome Thumper. I believe this happens because the data in the pool is continuously changing. Ah ok, that may be, there is one particular

Re: [zfs-discuss] resilver that never finishes

2010-09-18 Thread Tom Bird
On 18/09/10 09:02, Ian Collins wrote: On 09/18/10 06:47 PM, Carsten Aulbert wrote: Has someone an idea how it is possible to resilver 678G of data on a 500G drive? I see this all the time on a troublesome Thumper. I believe this happens because the data in the pool is continuously changing.

Re: [zfs-discuss] resilver that never finishes

2010-09-18 Thread Edho P Arief
On Sat, Sep 18, 2010 at 7:01 PM, Tom Bird t...@marmot.org.uk wrote: All said and done though, we will have to live with snv_134's bugs from now on, or perhaps I could try Sol 10. or OpenIllumos. Or Nexenta. Or FreeBSD. Or insert osol distro name. -- O ascii ribbon campaign - stop html mail -

Re: [zfs-discuss] resilver that never finishes

2010-09-18 Thread Tom Bird
On 18/09/10 13:06, Edho P Arief wrote: On Sat, Sep 18, 2010 at 7:01 PM, Tom Birdt...@marmot.org.uk wrote: All said and done though, we will have to live with snv_134's bugs from now on, or perhaps I could try Sol 10. or OpenIllumos. Or Nexenta. Or FreeBSD. Orinsert osol distro name. ...

Re: [zfs-discuss] resilver that never finishes

2010-09-18 Thread taemun
But all of which have newer code, today, than onnv-134. On 18 September 2010 22:20, Tom Bird t...@marmot.org.uk wrote: On 18/09/10 13:06, Edho P Arief wrote: On Sat, Sep 18, 2010 at 7:01 PM, Tom Birdt...@marmot.org.uk wrote: All said and done though, we will have to live with snv_134's

Re: [zfs-discuss] resilver that never finishes

2010-09-18 Thread George Wilson
Tom Bird wrote: On 18/09/10 09:02, Ian Collins wrote: In my case, other than an hourly snapshot, the data is not significantly changing. It'd be nice to see a response other than you're doing it wrong, rebuilding 5x the data on a drive relative to its capacity is clearly erratic

Re: [zfs-discuss] resilver that never finishes

2010-09-18 Thread Ian Collins
On 09/19/10 12:01 AM, Tom Bird wrote: On 18/09/10 09:02, Ian Collins wrote: On 09/18/10 06:47 PM, Carsten Aulbert wrote: Has someone an idea how it is possible to resilver 678G of data on a 500G drive? I see this all the time on a troublesome Thumper. I believe this happens because the

[zfs-discuss] resilver that never finishes

2010-09-17 Thread Tom Bird
Morning, c7t5000CCA221F4EC54d0 is a 2T disk, how can it resilver 5.63T of it? This is actually an old capture of the status output, it got to nearly 10T before deciding that there was an error and not completing, reseat disk and it's doing it all again. It's happened on another pool as

Re: [zfs-discuss] resilver that never finishes

2010-09-17 Thread Bob Friesenhahn
On Fri, 17 Sep 2010, Tom Bird wrote: Morning, c7t5000CCA221F4EC54d0 is a 2T disk, how can it resilver 5.63T of it? This is actually an old capture of the status output, it got to nearly 10T before deciding that there was an error and not completing, reseat disk and it's doing it all again.

Re: [zfs-discuss] resilver that never finishes

2010-09-17 Thread Ian Collins
On 09/18/10 04:28 AM, Tom Bird wrote: Bob Friesenhahn wrote: On Fri, 17 Sep 2010, Tom Bird wrote: Morning, c7t5000CCA221F4EC54d0 is a 2T disk, how can it resilver 5.63T of it? This is actually an old capture of the status output, it got to nearly 10T before deciding that there was an error

Re: [zfs-discuss] resilver that never finishes

2010-09-17 Thread Edward Ned Harvey
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Tom Bird We recently had a long discussion in this list, about resilver times versus raid types. In the end, the conclusion was: resilver code is very inefficient for raidzN. Someday it may