Re: ZFS - hot spares : automatic or not?

2011-01-19 Thread Dan Langille
On 1/11/2011 11:10 AM, John Hawkes-Reed wrote: On 11/01/2011 03:38, Dan Langille wrote: On 1/4/2011 11:52 AM, John Hawkes-Reed wrote: On 04/01/2011 03:08, Dan Langille wrote: Hello folks, I'm trying to discover if ZFS under FreeBSD will automatically pull in a hot spare if one is required. T

Re: ZFS - hot spares : automatic or not?

2011-01-13 Thread Freddie Cash
On Thu, Jan 13, 2011 at 7:07 AM, Boris Kochergin wrote: > Did a little research. In at least the ZFS case, it appears that events are > available through devctl(4) and are therefore accessible through devd: > > http://2007.asiabsdcon.org/papers/P16-paper.pdf - section 3.7 PC-BSD has the following

Re: ZFS - hot spares : automatic or not?

2011-01-13 Thread Boris Kochergin
On 01/13/11 09:42, Alexander Leidinger wrote: Quoting Boris Kochergin (from Wed, 12 Jan 2011 19:50:41 -0500): On 01/12/11 19:32, Chris Forgeron wrote: Solaris runs a separate process called Fault Management Daemon (fmd) that looks to handle this logic - This means that it's really not ins

Re: ZFS - hot spares : automatic or not?

2011-01-13 Thread Alexander Leidinger
Quoting Boris Kochergin (from Wed, 12 Jan 2011 19:50:41 -0500): On 01/12/11 19:32, Chris Forgeron wrote: Solaris runs a separate process called Fault Management Daemon (fmd) that looks to handle this logic - This means that it's really not inside the ZFS code to handle this, and FreeBSD

RE: ZFS - hot spares : automatic or not?

2011-01-12 Thread Chris Forgeron
[mailto:owner-freebsd-sta...@freebsd.org] On Behalf Of Boris Kochergin Sent: Wednesday, January 12, 2011 8:51 PM To: Chris Forgeron Cc: freebsd-stable Subject: Re: ZFS - hot spares : automatic or not? >After a cursory glance at their fault-management infrastructure, I >noticed that it

Re: ZFS - hot spares : automatic or not?

2011-01-12 Thread Boris Kochergin
On 01/12/11 19:32, Chris Forgeron wrote: Interesting, I was just testing Solaris 11 Express's ability to handle a pulled drive today. It handles it quite well. However, my Areca 1880 drive (arcmsr0) crashes when you reinsert the drive.. but that's another topic, and an issue for Areca tech sup

RE: ZFS - hot spares : automatic or not?

2011-01-12 Thread Chris Forgeron
sd-sta...@freebsd.org] On Behalf Of John Hawkes-Reed Sent: Tuesday, January 11, 2011 12:11 PM To: Dan Langille Cc: freebsd-stable Subject: Re: ZFS - hot spares : automatic or not? On 11/01/2011 03:38, Dan Langille wrote: > On 1/4/2011 11:52 AM, John Hawkes-Reed wrote: >> On 04/0

Re: ZFS - hot spares : automatic or not?

2011-01-11 Thread John Hawkes-Reed
On 11/01/2011 03:38, Dan Langille wrote: On 1/4/2011 11:52 AM, John Hawkes-Reed wrote: On 04/01/2011 03:08, Dan Langille wrote: Hello folks, I'm trying to discover if ZFS under FreeBSD will automatically pull in a hot spare if one is required. This raised the issue back in March 2010, and ref

Re: ZFS - hot spares : automatic or not?

2011-01-11 Thread Miroslav Lachman
Dan Langille wrote: On 1/4/2011 11:52 AM, John Hawkes-Reed wrote: [...] As far as our testing could discover, it's not automatic. I wrote some Ugly Perl that's called by devd when it spots a drive-fail event, which seemed to DTRT when simulating a failure by pulling a drive. Without such

Re: ZFS - hot spares : automatic or not?

2011-01-10 Thread Dan Langille
On 1/4/2011 11:52 AM, John Hawkes-Reed wrote: On 04/01/2011 03:08, Dan Langille wrote: Hello folks, I'm trying to discover if ZFS under FreeBSD will automatically pull in a hot spare if one is required. This raised the issue back in March 2010, and refers to a PR opened in May 2009 * http://l

Re: ZFS - hot spares : automatic or not?

2011-01-04 Thread John Hawkes-Reed
On 04/01/2011 03:08, Dan Langille wrote: Hello folks, I'm trying to discover if ZFS under FreeBSD will automatically pull in a hot spare if one is required. This raised the issue back in March 2010, and refers to a PR opened in May 2009 * http://lists.freebsd.org/pipermail/freebsd-fs/2010-Marc

Re: ZFS hot spares

2010-03-09 Thread Steve Polyack
On 03/09/10 05:11, Ivan Voras wrote: On 03/08/10 19:06, Steve Polyack wrote: ZFS in FreeBSD lacks at least one major feature from the Solaris version: hot spares. There is a PR open at http://www.freebsd.org/cgi/query-pr.cgi?pr=134491, but there hasn't been any motion/thoughts posted on it since

Re: ZFS hot spares

2010-03-09 Thread Pawel Jakub Dawidek
On Mon, Mar 08, 2010 at 01:06:10PM -0500, Steve Polyack wrote: > ZFS in FreeBSD lacks at least one major feature from the Solaris > version: hot spares. There is a PR open at > http://www.freebsd.org/cgi/query-pr.cgi?pr=134491, but there hasn't been > any motion/thoughts posted on it since its