Re: [zfs-discuss] zfs import fails even though all disks are online

2010-02-12 Thread Marc Friesacher
I did some more digging through forum posts and found this: http://opensolaris.org/jive/thread.jspa?threadID=104654 I ran zdb -l again and saw that even though zpool references /dev/dsk/c4d0 zdb shows no labels at that point... the labels are on /dev/dsk/c4d0s0 However, the log label entries

[zfs-discuss] cannot receive new filesystem stream: invalid backup stream

2010-02-12 Thread Andrew Gabriel
Can anyone suggest how I can get around the above error when sending/receiving a ZFS filesystem? It seems to fail when about 2/3rds of the data have been passed from send to recv. Is it possible to get more diagnostics out? This filesystem has failed in this way for a long time, and I've

Re: [zfs-discuss] cannot receive new filesystem stream: invalid backup stream

2010-02-12 Thread Darren J Moffat
On 12/02/2010 09:55, Andrew Gabriel wrote: Can anyone suggest how I can get around the above error when sending/receiving a ZFS filesystem? It seems to fail when about 2/3rds of the data have been passed from send to recv. Is it possible to get more diagnostics out? You could try using

Re: [zfs-discuss] cannot receive new filesystem stream: invalid backup stream

2010-02-12 Thread Andrew Gabriel
Darren J Moffat wrote: On 12/02/2010 09:55, Andrew Gabriel wrote: Can anyone suggest how I can get around the above error when sending/receiving a ZFS filesystem? It seems to fail when about 2/3rds of the data have been passed from send to recv. Is it possible to get more diagnostics out? You

Re: [zfs-discuss] ZFS ZIL + L2ARC SSD Setup

2010-02-12 Thread Mickaël Maillot
Hi Intel X-25 M are MLC not SLC, there are very good for L2ARC. and next, you need more RAM: ZFS can't handle 4x 80 Gb of L2ARC with only 4Gb of RAM because ZFS use memory to allocate and manage L2ARC. 2010/2/10 Felix Buenemann felix.buenem...@googlemail.com: Am 09.02.10 09:58, schrieb Felix

[zfs-discuss] SSD and ZFS

2010-02-12 Thread Andreas Höschler
Hi all, just after sending a message to sunmanagers I realized that my question should rather have gone here. So sunmanagers please excus ethe double post: I have inherited a X4140 (8 SAS slots) and have just setup the system with Solaris 10 09. I first setup the system on a mirrored pool

Re: [zfs-discuss] Removing Cloned Snapshot

2010-02-12 Thread Mark J Musante
On Fri, 12 Feb 2010, Daniel Carosone wrote: You can use zfs promote to change around which dataset owns the base snapshot, and which is the dependant clone with a parent, so you can deletehe other - but if you want both datasets you will need to keep the snapshot they share. Right. The

Re: [zfs-discuss] ZFS ZIL + L2ARC SSD Setup

2010-02-12 Thread Felix Buenemann
Hi Mickaël, Am 12.02.10 13:49, schrieb Mickaël Maillot: Intel X-25 M are MLC not SLC, there are very good for L2ARC. Yes, I'm only using those for L2ARC, I'm planing on getting to Mtron Pro 7500 16GB SLC SSDs for ZIL. and next, you need more RAM: ZFS can't handle 4x 80 Gb of L2ARC with

Re: [zfs-discuss] ZFS ZIL + L2ARC SSD Setup

2010-02-12 Thread Richard Elling
On Feb 12, 2010, at 8:20 AM, Felix Buenemann wrote: Hi Mickaël, Am 12.02.10 13:49, schrieb Mickaël Maillot: Intel X-25 M are MLC not SLC, there are very good for L2ARC. Yes, I'm only using those for L2ARC, I'm planing on getting to Mtron Pro 7500 16GB SLC SSDs for ZIL. and next, you

Re: [zfs-discuss] ZFS ZIL + L2ARC SSD Setup

2010-02-12 Thread Felix Buenemann
Am 12.02.10 18:17, schrieb Richard Elling: On Feb 12, 2010, at 8:20 AM, Felix Buenemann wrote: Hi Mickaël, Am 12.02.10 13:49, schrieb Mickaël Maillot: Intel X-25 M are MLC not SLC, there are very good for L2ARC. Yes, I'm only using those for L2ARC, I'm planing on getting to Mtron Pro 7500

Re: [zfs-discuss] ZFS ZIL + L2ARC SSD Setup

2010-02-12 Thread Bill Sommerfeld
On 02/12/10 09:36, Felix Buenemann wrote: given I've got ~300GB L2ARC, I'd need about 7.2GB RAM, so upgrading to 8GB would be enough to satisfy the L2ARC. But that would only leave ~800MB free for everything else the server needs to do. - Bill

Re: [zfs-discuss] ZFS ZIL + L2ARC SSD Setup

2010-02-12 Thread Richard Elling
On Feb 12, 2010, at 9:36 AM, Felix Buenemann wrote: Am 12.02.10 18:17, schrieb Richard Elling: On Feb 12, 2010, at 8:20 AM, Felix Buenemann wrote: Hi Mickaël, Am 12.02.10 13:49, schrieb Mickaël Maillot: Intel X-25 M are MLC not SLC, there are very good for L2ARC. Yes, I'm only using

Re: [zfs-discuss] verging OT: how to buy J4500 w/o overpriced

2010-02-12 Thread Al Hopper
On Tue, Feb 9, 2010 at 12:55 PM, matthew patton patto...@yahoo.com wrote: . snip Enter the J4500, 48 drives in 4U, what looks to be solid engineering, and redundancy in all the right places. An empty chassis at $3000 is totally justifiable. Maybe as high as $4000. In comparison a

Re: [zfs-discuss] SSD and ZFS

2010-02-12 Thread Scott Meilicke
I don't think adding an SSD mirror to an existing pool will do much for performance. Some of your data will surely go to those SSDs, but I don't think the solaris will know they are SSDs and move blocks in and out according to usage patterns to give you an all around boost. They will just be

Re: [zfs-discuss] verging OT: how to buy J4500 w/o overpriced

2010-02-12 Thread Daniel Bakken
On Fri, Feb 12, 2010 at 12:11 PM, Al Hopper a...@logical-approach.com wrote: There's your first mistake.  You're probably eligible for a very nice Federal Systems discount.  My *guess* would be about 40%. Promise JBOD and similar systems are often the only affordable choice for those of us who

Re: [zfs-discuss] Removing Cloned Snapshot

2010-02-12 Thread Daniel Carosone
On Fri, Feb 12, 2010 at 09:50:32AM -0500, Mark J Musante wrote: The other option is to zfs send the snapshot to create a copy instead of a clone. One day, in the future, I hope there might be a third option, somewhat as an optimimsation. With dedup and bp-rewrite, a new operation could be

Re: [zfs-discuss] ZFS ZIL + L2ARC SSD Setup

2010-02-12 Thread Daniel Carosone
On Fri, Feb 12, 2010 at 11:26:33AM -0800, Richard Elling wrote: Mathing aorund a bit, for a 300 GB L2ARC (apologies for the tab separation): size (GB) 300 size (sectors) 585937500 labels (sectors)9232 available

Re: [zfs-discuss] ZFS ZIL + L2ARC SSD Setup

2010-02-12 Thread Brendan Gregg - Sun Microsystems
G'Day, On Sat, Feb 13, 2010 at 09:02:58AM +1100, Daniel Carosone wrote: On Fri, Feb 12, 2010 at 11:26:33AM -0800, Richard Elling wrote: Mathing aorund a bit, for a 300 GB L2ARC (apologies for the tab separation): size (GB) 300 size (sectors) 585937500

Re: [zfs-discuss] SSD and ZFS

2010-02-12 Thread Brendan Gregg - Sun Microsystems
On Fri, Feb 12, 2010 at 02:25:51PM -0800, TMB wrote: I have a similar question, I put together a cheapo RAID with four 1TB WD Black (7200) SATAs, in a 3TB RAIDZ1, and I added a 64GB OCZ Vertex SSD, with slice 0 (5GB) for ZIL and the rest of the SSD for cache: # zpool status dpool pool:

Re: [zfs-discuss] zfs promote

2010-02-12 Thread tester
Hello, # /usr/sbin/zfs list -r rgd3 NAME USEDAVAIL REFER MOUNTPOINT rgd3 16.5G23.4G20K /rgd3 rgd3/fs1 19K 23.4G21K /app/fs1 rgd3/fs1-patch

Re: [zfs-discuss] Removing Cloned Snapshot

2010-02-12 Thread Brandon High
On Fri, Feb 12, 2010 at 1:08 PM, Daniel Carosone d...@geek.com.au wrote: With dedup and bp-rewrite, a new operation could be created that takes the shared data and makes it uniquely-referenced but deduplicated data. This could be a lot more efficient and less disruptive because of the advanced