Re: [zfs-discuss] SSD - slow down with age

2009-02-16 Thread Adam Leventhal
On Feb 14, 2009, at 12:45 PM, Nicholas Lee wrote: A useful article about long term use of the Intel SSD X25-M: http://www.pcper.com/article.php?aid=669 - Long-term performance analysis of Intel Mainstream SSDs. Would a zfs cache (ZIL or ARC) based on a SSD device see this kind of issue? Ma

Re: [zfs-discuss] ZFS on SAN?

2009-02-16 Thread Robert Milkowski
Hello Bob, Sunday, February 15, 2009, 9:42:25 PM, you wrote: BF> On Sun, 15 Feb 2009, Colin Raven wrote: >>> >>> As a followup; is there any ongoing sensible way to defend against the dreaded fragmentation? A [shudder] "defrag" routine of some kind perhaps? Forgive the "silly questions

Re: [zfs-discuss] ZFS on SAN?

2009-02-16 Thread Tim
On Mon, Feb 16, 2009 at 12:26 AM, Sanjeev wrote: > Sriram, > > On Mon, Feb 16, 2009 at 11:12:42AM +0530, Sriram Narayanan wrote: > > On Mon, Feb 16, 2009 at 9:11 AM, Sanjeev > wrote: > > > Sendai, > > > > > > On Fri, Feb 13, 2009 at 03:21:25PM -0800, Andras Spitzer wrote: > > >> Hi, > > >> > > >

Re: [zfs-discuss] ZFS on SAN?

2009-02-16 Thread Miles Nordin
> "t" == Tim writes: t> Uhhh, S10 box that provide zfs backed iSCSI is NOT fine. Cite t> the plethora of examples on this list of how the fault t> management stack takes so long to respond it's basically t> unusable as it stands today. well...if we are talking about rel

Re: [zfs-discuss] Two zvol devices one volume?

2009-02-16 Thread Henrik Johansson
Thanks for the info Dave, I filed a bug on this: 6805659. Regards Henrik On Feb 13, 2009, at 1:30 AM, Dave wrote: Henrik Johansson wrote: I tried to export the zpool also, and I got this, the strange part is that it sometimes still thinks that the ubuntu-01-dsk01 dataset exists: # zpool

[zfs-discuss] fmd dying in zfs shutdown?

2009-02-16 Thread James Litchfield
known issue? I've seen this 5 times over the past few days. I think these were, for the most part BFUs on top of B107. x86. # pstack fmd.733 core 'fmd.733' of 733:/usr/lib/fm/fmd/fmd - lwp# 1 / thread# 1 fe8c3347 libzfs_fini (0, fed9e000, 8047d08, fed749

Re: [zfs-discuss] ZFS on SAN?

2009-02-16 Thread Henrik Johansson
Hi all, Ok, this might be to stir some things up again but I would like to make this more clear. I have been reading this and other threads regarding ZFS on SAN and how well ZFS can recover from a serious error such as a cached disk array goes down or the connection to the SAN is lost. Wh

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

2009-02-16 Thread Gavin Maltby
Hi, James Litchfield wrote: known issue? I've seen this 5 times over the past few days. I think these were, for the most part BFUs on top of B107. x86. Yes, Dan Price reported this happening post the fix to 6802281. Not sure there is a CR number as yet; Steve has a proposed fix which you coul

Re: [zfs-discuss] ZFS on SAN?

2009-02-16 Thread Bob Friesenhahn
On Tue, 17 Feb 2009, Henrik Johansson wrote: We are currently evaluating if we should begin to implement ZFS in our SAN. I can see great opportunities with ZFS but if we have a higher risk of loosing entire pools that is a serious issue. I am aware that the other filesystems might not be in a

Re: [zfs-discuss] Can't find results of send/receive on destination fs??

2009-02-16 Thread Frank Cusack
On February 15, 2009 11:02:51 PM -0600 David Dyer-Bennet wrote: So I did this: zfs send -R "rpool/export/h...@bup-20090216-044512utc" | zfs receive\ -dv "bup-ruin/fsfs" And it indicated no errors, and said it was creating various expected filesystems (pool bup-ruin was br

Re: [zfs-discuss] j4200 drive carriers

2009-02-16 Thread Frank Cusack
On February 1, 2009 8:30:21 AM -0800 Frank Cusack wrote: nevermind, i will just get a Promise array. Don't. I don't normally like to badmouth vendors, but my experience with Promise was one of the worst in my career, for reasons that should be relevant other ZFS-oriented customers. recommen

Re: [zfs-discuss] set mountpoint but don't mount?

2009-02-16 Thread Frank Cusack
Turns out setting altroot is the way to do this. Thanks to David Dyer-Bennet for the solution, given in another thread. -frank ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Can't find results of send/receive on destination fs??

2009-02-16 Thread David Dyer-Bennet
On Mon, February 16, 2009 21:31, Frank Cusack wrote: > On February 15, 2009 11:02:51 PM -0600 David Dyer-Bennet > wrote: >> So I did this: >> >> zfs send -R "rpool/export/h...@bup-20090216-044512utc" | zfs receive\ >> -dv "bup-ruin/fsfs"

Re: [zfs-discuss] New RAM disk from ACARD might be interesting

2009-02-16 Thread Will Murnane
On Sun, Feb 8, 2009 at 11:12, Tim wrote: > I wouldn't think grabbing 8GB memory would be a big deal after dropping that > much on the controller?? There being no sense in half measures, I ordered 12GB (i.e., three kits) of this: http://www.newegg.com/Product/Product.aspx?Item=N82E16820148115 Unfor

Re: [zfs-discuss] ZFS on SAN?

2009-02-16 Thread Marion Hakanson
bfrie...@simple.dallas.tx.us said: > A 12-disk pool that I built a year ago is still working fine with absolutely > no problems at all. Another two disk pool built using cheap large USB > drives has been running for maybe eight months, with no problems. We have non-redundant ZFS pools on an H