[zfs-discuss] scrub on snv-b107

2009-02-17 Thread dick hoogendijk
scrub completed after 1h9m with 0 errors on Tue Feb 17 12:09:31 2009 This is about twice as slow as the same srub on a solaris 10 box with a mirrored zfs root pool. Has scrub become that much slower? And if so, why? -- Dick Hoogendijk -- PGP/GnuPG key: 01D2433D + http://nagual.nl/ | SunOS sxce s

Re: [zfs-discuss] scrub on snv-b107

2009-02-17 Thread Blake
Do you have more data on the 107 pool than on the sol10 pool? On Tue, Feb 17, 2009 at 6:11 AM, dick hoogendijk wrote: > scrub completed after 1h9m with 0 errors on Tue Feb 17 12:09:31 2009 > > This is about twice as slow as the same srub on a solaris 10 box with a > mirrored zfs root pool. Has sc

Re: [zfs-discuss] fmd dying in zfs shutdown?

2009-02-17 Thread Steve Hanson
Hi, I've raised bug 6806344 for this problem. I have been able to test the fix by patching fmd using mdb, but if you wish to test it, there's an x86 binary in /home/stephh/libtopo.so.1 Steve Hi, James Litchfield wrote: known issue? I've seen this 5 times over the past few days. I think

Re: [zfs-discuss] ZFS on SAN?

2009-02-17 Thread David Magda
On Tue, February 17, 2009 01:50, Marion Hakanson wrote: > Note that the only available pool failure mode in the presence of a SAN > I/O error for these OS's has been to panic/reboot, but so far when the > systems have come back, data has been fine. We also do tape backups > of these pools, of cou

Re: [zfs-discuss] ZFS on SAN?

2009-02-17 Thread Scott Lawson
Hi All, I have been watching this thread for a while and thought it was time a chipped my 2 cents worth in. I have been an aggressive adopter of ZFS here across all of our Solaris systems and have found the benefits have far outweighed any small issues that have arisen. Currently I have many sys

[zfs-discuss] qmail on zfs

2009-02-17 Thread Asif Iqbal
Hi All Does anyone have any experience on running qmail on solaris 10 with ZFS only? I would appreciate if you share your findings, suggestion and gotchas Thanks -- Asif Iqbal PGP Key: 0xE62693C5 KeyServer: pgp.mit.edu A: Because it messes up the order in which people normally read text. Q: Wh

Re: [zfs-discuss] scrub on snv-b107

2009-02-17 Thread dick hoogendijk
On Tue, 17 Feb 2009 08:41:13 -0500 Blake wrote: > Do you have more data on the 107 pool than on the sol10 pool? 80G on the "fast" one and 85G on the slow one. Furthermore, on the fast one the total amount is 100G more than on the slow one. So, I don't get it ;-) -- Dick Hoogendijk -- PGP/GnuPG

Re: [zfs-discuss] scrub on snv-b107

2009-02-17 Thread Tomas Ă–gren
On 17 February, 2009 - dick hoogendijk sent me these 0,6K bytes: > On Tue, 17 Feb 2009 08:41:13 -0500 > Blake wrote: > > > Do you have more data on the 107 pool than on the sol10 pool? > > 80G on the "fast" one and 85G on the slow one. > Furthermore, on the fast one the total amount is 100G mor

Re: [zfs-discuss] scrub on snv-b107

2009-02-17 Thread Casper . Dik
>On 17 February, 2009 - dick hoogendijk sent me these 0,6K bytes: > >> On Tue, 17 Feb 2009 08:41:13 -0500 >> Blake wrote: >>=20 >> > Do you have more data on the 107 pool than on the sol10 pool? >>=20 >> 80G on the "fast" one and 85G on the slow one. >> Furthermore, on the fast one the total amou

Re: [zfs-discuss] ZFS on SAN?

2009-02-17 Thread Miles Nordin
> "hj" == Henrik Johansson writes: hj> I have been operating quite large deployments of SVM/UFS hj> VxFS/VxVM for some years and while you sometimes are forced to hj> do a filesystem check and some files might end up in hj> lost+found I have never lost a whole filesystem. I t

Re: [zfs-discuss] scrub on snv-b107

2009-02-17 Thread Andrew Gabriel
casper@sun.com wrote: I currently have a system with 2x1TB WDC disks; it's now running 103 and I hope to upgrade it to 108 or 109 shortly. Then we should be able to measure between a build before and after 105. It only uses around 200GB and it now takes around 1 hour to "scrub" it. I ha

Re: [zfs-discuss] qmail on zfs

2009-02-17 Thread Robert Milkowski
Hello Asif, Tuesday, February 17, 2009, 7:43:41 PM, you wrote: AI> Hi All AI> Does anyone have any experience on running qmail on solaris 10 with ZFS only? AI> I would appreciate if you share your findings, suggestion and gotchas It just works. -- Best regards, Robert Milkowski

[zfs-discuss] Backing up ZFS snapshots

2009-02-17 Thread Joe S
I have an OpenSolaris snv_105 server at home that holds my photos, docs, music, etc, in a zfs pool. I backup my laptops with rsync to the OpenSolaris server. All of my important data is in one place, on the OpenSolaris server. I want to backup this data. I want to protect against losing my data, an

Re: [zfs-discuss] Backing up ZFS snapshots

2009-02-17 Thread David Magda
On Feb 17, 2009, at 17:56, Joe S wrote: Does that sound like a viable backup solution? It has been explicitly stated numerous times that the output of 'zfs send' has no guarantees and it is undocumented. From zfs(1M): The format of the [zfs send] stream is evolving. No backwards compatib

Re: [zfs-discuss] Backing up ZFS snapshots

2009-02-17 Thread Joe S
On Tue, Feb 17, 2009 at 3:35 PM, David Magda wrote: > On Feb 17, 2009, at 17:56, Joe S wrote: > >> Does that sound like a viable backup solution? > > It has been explicitly stated numerous times that the output of 'zfs send' > has no guarantees and it is undocumented. From zfs(1M): > >> The format

Re: [zfs-discuss] ZFS on SAN?

2009-02-17 Thread Toby Thain
On 17-Feb-09, at 3:01 PM, Scott Lawson wrote: Hi All, ... I have seen other people discussing power availability on other threads recently. If you want it, you can have it. You just need the business case for it. I don't buy the comments on UPS unreliability. Hi, I remarked on it. FWIW, m

Re: [zfs-discuss] ZFS on SAN?

2009-02-17 Thread Scott Lawson
Hi All, I have been watching this thread for a while and thought it was time a chipped my 2 cents worth in. I have been an aggressive adopter of ZFS here across all of our Solaris systems and have found the benefits have far outweighed any small issues that have arisen. Currently I have many

Re: [zfs-discuss] qmail on zfs

2009-02-17 Thread Asif Iqbal
On Tue, Feb 17, 2009 at 5:52 PM, Robert Milkowski wrote: > Hello Asif, > > Tuesday, February 17, 2009, 7:43:41 PM, you wrote: > > AI> Hi All > > AI> Does anyone have any experience on running qmail on solaris 10 with ZFS > only? > > AI> I would appreciate if you share your findings, suggestion an

Re: [zfs-discuss] ZFS on SAN?

2009-02-17 Thread Scott Lawson
Toby Thain wrote: On 17-Feb-09, at 3:01 PM, Scott Lawson wrote: Hi All, ... I have seen other people discussing power availability on other threads recently. If you want it, you can have it. You just need the business case for it. I don't buy the comments on UPS unreliability. Hi, I remar

Re: [zfs-discuss] qmail on zfs

2009-02-17 Thread Toby Thain
On 17-Feb-09, at 8:28 PM, Asif Iqbal wrote: On Tue, Feb 17, 2009 at 5:52 PM, Robert Milkowski wrote: Hello Asif, Tuesday, February 17, 2009, 7:43:41 PM, you wrote: AI> Hi All AI> Does anyone have any experience on running qmail on solaris 10 with ZFS only? AI> I would appreciate if yo

Re: [zfs-discuss] ZFS on SAN?

2009-02-17 Thread David Magda
On Feb 17, 2009, at 21:35, Scott Lawson wrote: Everything we have has dual power supplies, feed from dual power rails, feed from separate switchboards, through separate very large UPS's, backed by generators, feed by two substations and then cloned to another data center 3 km away. HA ht

Re: [zfs-discuss] ZFS on SAN?

2009-02-17 Thread Toby Thain
On 17-Feb-09, at 9:35 PM, Scott Lawson wrote: Toby Thain wrote: On 17-Feb-09, at 3:01 PM, Scott Lawson wrote: Hi All, ... I have seen other people discussing power availability on other threads recently. If you want it, you can have it. You just need the business case for it. I don't b

Re: [zfs-discuss] ZFS on SAN?

2009-02-17 Thread Scott Lawson
David Magda wrote: On Feb 17, 2009, at 21:35, Scott Lawson wrote: Everything we have has dual power supplies, feed from dual power rails, feed from separate switchboards, through separate very large UPS's, backed by generators, feed by two substations and then cloned to another data center

[zfs-discuss] Zpool scrub in cron hangs u3/u4 server, stumps tech support.

2009-02-17 Thread Elizabeth Schwartz
I've got a server that freezes when I run a zpool scrub from cron. Zpool scrub runs fine from the command line, no errors. The freeze happens within 30 seconds of the zpool scrub happening. The one core dump I succeeded in taking showed an arccache eating up all the ram. The server's running Solari

Re: [zfs-discuss] ZFS on SAN?

2009-02-17 Thread Richard Elling
Toby Thain wrote: Not at all. You've convinced me. Your servers will never, ever lose power unexpectedly. Methinks living in Auckland has something to do with that :-) http://en.wikipedia.org/wiki/1998_Auckland_power_crisis When services are reliable, then complacency brings risk. My favorit

Re: [zfs-discuss] Backing up ZFS snapshots

2009-02-17 Thread Frank Cusack
On February 17, 2009 6:35:12 PM -0500 David Magda wrote: On Feb 17, 2009, at 17:56, Joe S wrote: Does that sound like a viable backup solution? It has been explicitly stated numerous times that the output of 'zfs send' has no guarantees and it is undocumented. From zfs(1M): The format of t

Re: [zfs-discuss] Backing up ZFS snapshots

2009-02-17 Thread Frank Cusack
On February 17, 2009 3:57:34 PM -0800 Joe S wrote: On Tue, Feb 17, 2009 at 3:35 PM, David Magda wrote: If you want to do back ups of your file system use a documented utility (tar, cpio, pax, zip, etc.). I'm going to try to use Amanda and backup my data (not snapshots). You missed the poin

[zfs-discuss] Confused about prerequisites for ZFS to work

2009-02-17 Thread Harry Putnam
I'm hoping to get some general clues about what all is required to get an experiment going with zfs. I've managed to install osol-11 in a vmware on windowsXP host from a recent *.iso. I'm following along with Simon's blog showing how to set up ZFS. I'm newbie with both ZFS and Solaris but the in