Re: [zfs-discuss] Fwd: [ilugb] Does ZFS support Hole Punching/Discard

2009-09-08 Thread Chris Csanady
2009/9/7 Ritesh Raj Sarraf r...@researchut.com: The Discard/Trim command is also available as part of the SCSI standard now. Now, if you look from a SAN perspective, you will need a little of both. Filesystems will need to be able to deallocate blocks and then the same should be triggered as

Re: [zfs-discuss] Can ZFS simply concatenate LUNs (eg no RAID0)?

2009-09-08 Thread Darren J Moffat
Piero Gramenzi wrote: Hi, I do have a disk array that is providing striped LUNs to my Solaris box. Hence I'd like to simply concat those LUNs without adding another layer of striping. Is this possibile with ZFS? As far as I understood, if I use zpool create myPool lun-1 lun-2 ... lun-n

Re: [zfs-discuss] Can ZFS simply concatenate LUNs (eg no RAID0)?

2009-09-08 Thread Darren J Moffat
Piero Gramenzi wrote: Hi Darren, I do have a disk array that is providing striped LUNs to my Solaris box. Hence I'd like to simply concat those LUNs without adding another layer of striping. Is this possibile with ZFS? As far as I understood, if I use zpool create myPool lun-1 lun-2

Re: [zfs-discuss] Incremental backup via zfs send / zfs receive

2009-09-08 Thread Frank Middleton
On 09/07/09 07:29 PM, David Dyer-Bennet wrote: Is anybody doing this [zfs send/recv] routinely now on 2009-6 OpenSolaris, and if so can I see your commands? Wouldn't a simple recursive send/recv work in your case? I imagine all kinds of folks are doing it already. The only problem with it,

[zfs-discuss] Can ZFS simply concatenate LUNs (eg no RAID0)?

2009-09-08 Thread Piero Gramenzi
Hi, I do have a disk array that is providing striped LUNs to my Solaris box. Hence I'd like to simply concat those LUNs without adding another layer of striping. Is this possibile with ZFS? As far as I understood, if I use zpool create myPool lun-1 lun-2 ... lun-n I will get a RAID0

Re: [zfs-discuss] Can ZFS simply concatenate LUNs (eg no RAID0)?

2009-09-08 Thread Piero Gramenzi
Hi Darren, I do have a disk array that is providing striped LUNs to my Solaris box. Hence I'd like to simply concat those LUNs without adding another layer of striping. Is this possibile with ZFS? As far as I understood, if I use zpool create myPool lun-1 lun-2 ... lun-n I will get a

Re: [zfs-discuss] Pulsing write performance

2009-09-08 Thread Scott Meilicke
True, this setup is not designed for high random I/O, but rather lots of storage with fair performance. This box is for our dev/test backend storage. Our production VI runs in the 500-700 IOPS (80+ VMs, production plus dev/test) on average, so for our development VI, we are expecting half of

[zfs-discuss] associating an unmodified clone file with an origin snapshot

2009-09-08 Thread John Zolnowsky x69422/408-404-5064
The context is a file in a dataset cloned from a snapshot. If the file has not been modified since the clone was created, I'd like to ascribe to the file attributes associated with the origin snapshot. 1) Is it feasible to determine from the vnode relating to the clone file if that

[zfs-discuss] Help with Scenerio

2009-09-08 Thread Jon Whitehouse
I'm new to ZFS and a scenario recently came up that I couldn't figure out. We are used to using Veritas Volume Mgr so that may affect our thinking to this approach. Here it is. 1.ServerA was originally built let's say in January '09 with the Solaris 10 build from 10/08 with zfs as

Re: [zfs-discuss] Help with Scenerio

2009-09-08 Thread Kees Nuyt
On Tue, 8 Sep 2009 15:09:24 -0400, Jon Whitehouse jonathan.whiteho...@zimmer.com wrote: I'm new to ZFS and a scenario recently came up that I couldn't figure out. We are used to using Veritas Volume Mgr so that may affect our thinking to this approach. Here it is. 1.ServerA was

Re: [zfs-discuss] Help with Scenerio

2009-09-08 Thread Ross Walker
On Tue, Sep 8, 2009 at 3:09 PM, Jon Whitehousejonathan.whiteho...@zimmer.com wrote: I'm new to ZFS and a scenario recently came up that I couldn't figure out. We are used to using Veritas Volume Mgr so that may affect our thinking to this approach. Here it is. 1.    ServerA was

Re: [zfs-discuss] Help with Scenerio

2009-09-08 Thread Cindy . Swearingen
Hi Jon, If the zpool import command shows the old rpool and associated disk (c1t1d0s0), then you might able to import it like this: # zpool import rpool rpool2 Which renames the original pool, rpool, to rpool2, upon import. If the disk c1t1d0s0 was overwritten in any way then I'm not sure

[zfs-discuss] sndradm ZFS cluster 3.2

2009-09-08 Thread Mohammed Al Basti
hello experts, i have cluster3.2/ZFS and AVS4 in main site and ZFS/AVS4 in DR , i am trying to replicate ZFS volumes using AVS, i am getting the below error sndradm: Error: volume /dev/rdsk/c4t600A0B80005B1E5702934A27A8CCd0s0 is not part of a disk group, please specify

Re: [zfs-discuss] This is the scrub that never ends...

2009-09-08 Thread Will Murnane
I left the scrub running all day: scrub: scrub in progress for 67h57m, 100.00% done, 0h0m to go but as you can see, it didn't finish. So, I ran pkg image-update, rebooted, and am now running b122. On reboot, the scrub restarted from the beginning, and currently estimates 17h to go. I'll post

Re: [zfs-discuss] This is the scrub that never ends...

2009-09-08 Thread Tim Cook
On Tue, Sep 8, 2009 at 10:24 PM, Will Murnane will.murn...@gmail.comwrote: I left the scrub running all day: scrub: scrub in progress for 67h57m, 100.00% done, 0h0m to go but as you can see, it didn't finish. So, I ran pkg image-update, rebooted, and am now running b122. On reboot, the