Re: Has anyone usd hast in production yet - opinions ?

2010-10-04 Thread Jeremy Chadwick
On Mon, Oct 04, 2010 at 09:37:40AM +0100, Pete French wrote: > I've been testing out hast intrenally here, and as a replacement for the > gmirror+ggate stack which we are currently using it seems excellent. I am > actually about to take the plunge and deploy this in production for our > main databa

Has anyone usd hast in production yet - opinions ?

2010-10-04 Thread Pete French
I've been testing out hast intrenally here, and as a replacement for the gmirror+ggate stack which we are currently using it seems excellent. I am actually about to take the plunge and deploy this in production for our main database server as it seems to operate fine in testing, but before I do has

Re: zfs send/receive: is this slow?

2010-10-04 Thread Martin Matuska
Try using zfs receive with the -v flag (gives you some stats at the end): # zfs send storage/bac...@transfer | zfs receive -v storage/compressed/bacula And use the following sysctl (you may set that in /boot/loader.conf, too): # sysctl vfs.zfs.txg.write_limit_override=805306368 I have good result

Re: out of HDD space - zfs degraded

2010-10-04 Thread Alexander Motin
Alexander Leidinger wrote: > On Sat, 02 Oct 2010 22:25:18 -0400 Steve Polyack > wrote: > >> I thin its worth it to think about TLER (or the absence of it) here - >> http://en.wikipedia.org/wiki/Time-Limited_Error_Recovery . Your >> consumer / SATA Hitachi drives likely do not put a limit on th

Re: Panic: attempted pmap_enter on 2MB page

2010-10-04 Thread Dave Hayes
Alan Cox writes: > I'm afraid that I can't offer much insight without a stack trace. At > initialization time, we map the kernel with 2MB pages. I suspect that > something within the kernel is later trying to change one those mappings. > If I had to guess, it's related to the mfs root. Here is

Re: out of HDD space - zfs degraded

2010-10-04 Thread Jeremy Chadwick
On Mon, Oct 04, 2010 at 05:03:47PM +0300, Alexander Motin wrote: > Alexander Leidinger wrote: > > On Sat, 02 Oct 2010 22:25:18 -0400 Steve Polyack > > wrote: > > > >> I thin its worth it to think about TLER (or the absence of it) here - > >> http://en.wikipedia.org/wiki/Time-Limited_Error_Recove

Re: out of HDD space - zfs degraded

2010-10-04 Thread Alexander Leidinger
Quoting Dan Langille (from Sun, 03 Oct 2010 08:08:19 -0400): Overnight, the following appeared in /var/log/messages: Oct 2 21:56:46 kraken root: ZFS: checksum mismatch, zpool=storage path=/dev/gpt/disk06-live offset=123103157760 size=1024 Oct 2 21:56:47 kraken root: ZFS: checksum mismatc

Re: Has anyone usd hast in production yet - opinions ?

2010-10-04 Thread Pete French
> Please see the freebsd-fs mailing list, which has quite a large number > of problem reports/issues being posted to it on a regular basis (and > patches are often provided). Thanks have signed up - I was signed up to 'geom' but not that one. A large number of problem reports is not quite what I w

Re: is there a bug in AWK on 6.x and 7.x (fixed in 8.x)?

2010-10-04 Thread Peter C. Lai
Is this becuase the behavior of "FS=" was changed to match the behavior of awk -F On 2010-10-02 09:58:27PM +0200, Miroslav Lachman wrote: > I think there is a bug in AWK in base of FreeBSD 6.x and 7.x (tested on > 6.4 i386 and 7.3 i386) > > I have this simple test case, where I want 2 columns fr

Re: zfs send/receive: is this slow?

2010-10-04 Thread Dan Langille
On Mon, October 4, 2010 3:27 am, Martin Matuska wrote: > Try using zfs receive with the -v flag (gives you some stats at the end): > # zfs send storage/bac...@transfer | zfs receive -v > storage/compressed/bacula > > And use the following sysctl (you may set that in /boot/loader.conf, too): > # sy

Re: zfs send/receive: is this slow?

2010-10-04 Thread Jeremy Chadwick
On Mon, Oct 04, 2010 at 01:31:07PM -0400, Dan Langille wrote: > > On Mon, October 4, 2010 3:27 am, Martin Matuska wrote: > > Try using zfs receive with the -v flag (gives you some stats at the end): > > # zfs send storage/bac...@transfer | zfs receive -v > > storage/compressed/bacula > > > > And u

Re: out of HDD space - zfs degraded

2010-10-04 Thread Dan Langille
On 10/4/2010 7:19 AM, Alexander Leidinger wrote: Quoting Dan Langille (from Sun, 03 Oct 2010 08:08:19 -0400): Overnight, the following appeared in /var/log/messages: Oct 2 21:56:46 kraken root: ZFS: checksum mismatch, zpool=storage path=/dev/gpt/disk06-live offset=123103157760 size=1024 Oct 2

Re: zfs send/receive: is this slow?

2010-10-04 Thread Dan Langille
On 10/4/2010 2:10 PM, Jeremy Chadwick wrote: On Mon, Oct 04, 2010 at 01:31:07PM -0400, Dan Langille wrote: On Mon, October 4, 2010 3:27 am, Martin Matuska wrote: Try using zfs receive with the -v flag (gives you some stats at the end): # zfs send storage/bac...@transfer | zfs receive -v storag

Re: Panic: attempted pmap_enter on 2MB page

2010-10-04 Thread Alan Cox
Dave Hayes wrote: Alan Cox writes: I'm afraid that I can't offer much insight without a stack trace. At initialization time, we map the kernel with 2MB pages. I suspect that something within the kernel is later trying to change one those mappings. If I had to guess, it's related to the mfs

Re: zfs send/receive: is this slow?

2010-10-04 Thread Jeremy Chadwick
On Mon, Oct 04, 2010 at 07:39:16PM -0400, Dan Langille wrote: > On 10/4/2010 2:10 PM, Jeremy Chadwick wrote: > >On Mon, Oct 04, 2010 at 01:31:07PM -0400, Dan Langille wrote: > >> > >>On Mon, October 4, 2010 3:27 am, Martin Matuska wrote: > >>>Try using zfs receive with the -v flag (gives you some s