Re: slow ZFS on FreeBSD 8.1

2010-12-29 Thread Matthew Seaman
On 28/12/2010 23:56, Freek van Hemert wrote: > I have a question regarding zfs on freebsd. > (I'm making a home server) > This afternoon I did a "zpool create data mirror ad4 ad6" Now I'm copying > things from my ufs2 disk into the 2TB zpool, it is very slow. I'm on freebsd > 8.1 amd64 on an atom n

Re: slow ZFS on FreeBSD 8.1

2010-12-29 Thread Freek van Hemert
Thanx for all the replies. The hacks sounds good until 8.2 is released however, regarding this upgrade, is the on-disk format the same? Can I just add the pool to a new install (of 8.2-RC) and expect higher performance? Or do I need to recreate the pool with the newer versions of the utilities? On

Re: New ZFSv28 patchset for 8-STABLE: Kernel Panic

2010-12-29 Thread Jean-Yves Avenard
On Wednesday, 29 December 2010, jhell wrote: > > Another note too, I think I read that you mentioned using the L2ARC and > slog device on the same disk You simply shouldn't do this it could > be contributing to the real cause and there is absolutely no gain in > either sanity or performance a

Re: slow ZFS on FreeBSD 8.1

2010-12-29 Thread Stefan Huerter
Guckux Freek > The hacks sounds good until 8.2 is released however, regarding this > upgrade, > is the on-disk format the same? Can I just add the pool to a new install > (of > 8.2-RC) and expect higher performance? Or do I need to recreate the pool > with the newer versions of the utilities? jus

Re: slow ZFS on FreeBSD 8.1

2010-12-29 Thread Guido Falsi
On Wed, Dec 29, 2010 at 11:55:57AM +0100, Stefan Huerter wrote: > Guckux Freek > > > The hacks sounds good until 8.2 is released however, regarding this > > upgrade, > > is the on-disk format the same? Can I just add the pool to a new install > > (of > > 8.2-RC) and expect higher performance? Or d

Re: 8.2-RC1: installer does not recognize some disks properly

2010-12-29 Thread Chris Brennan
On Tue, Dec 28, 2010 at 8:49 PM, Claus Assmann > wrote: > I just tried to install 8.2-RC1 (amd64) on one of my machines. It > has two disks: WDC WD1001FALS-4 and SAMSUNG HD103SJ, both 1TB SATA > disks. The installer shows them as ad10 and ad8. Both disks are > already in use and have been "forma

Re: slow ZFS on FreeBSD 8.1

2010-12-29 Thread Matthew Seaman
On 29/12/2010 08:57, Freek van Hemert wrote: > The hacks sounds good until 8.2 is released however, regarding this upgrade, > is the on-disk format the same? Can I just add the pool to a new install (of > 8.2-RC) and expect higher performance? Or do I need to recreate the pool > with the newer vers

Re: slow ZFS on FreeBSD 8.1

2010-12-29 Thread Jean-Yves Avenard
On Thursday, 30 December 2010, Matthew Seaman wrote: > No -- the on-disk format is different.  ZFS will run fine with the older > on-disk formats, but you won't get the full benefits without updating > them.   You'll need to run both 'zpool update -a' and 'zfs update -a' -- I believe it's "upgrad

Re: root mount error

2010-12-29 Thread Peter Jeremy
On 2010-Dec-28 23:08:44 +0300, Michael BlackHeart wrote: >I'm jsut trying to say than recent changes in kernel or kernel-modules >broke up my HDD support and I'd like to notice developres to check >where the problem is. It doesn't work that way. The developers don't have a problem or it would ha

Re: slow ZFS on FreeBSD 8.1

2010-12-29 Thread Dan Langille
On 12/29/2010 12:47 PM, Matthew Seaman wrote: On 29/12/2010 08:57, Freek van Hemert wrote: The hacks sounds good until 8.2 is released however, regarding this upgrade, is the on-disk format the same? Can I just add the pool to a new install (of 8.2-RC) and expect higher performance? Or do I need