Re: [zfs-discuss] Can this be done?

2009-04-07 Thread Michael Shadle
On Wed, Apr 1, 2009 at 3:19 AM, Michael Shadle mike...@gmail.com wrote: I'm going to try to move one of my disks off my rpool tomorrow (since it's a mirror) to a different controller. According to what I've heard before, ZFS should automagically recognize this new location and have no

Re: [zfs-discuss] Can this be done?

2009-04-07 Thread Bob Friesenhahn
On Tue, 7 Apr 2009, Michael Shadle wrote: Now quick question - if I have a raidz2 named 'tank' already I can expand the pool by doing: zpool attach tank raidz2 device1 device2 device3 ... device7 It will make 'tank' larger and each group of disks (vdev? or zdev?) will be dual parity. It won't

Re: [zfs-discuss] Can this be done?

2009-04-07 Thread David Champion
* On 07 Apr 2009, Michael Shadle wrote: Now quick question - if I have a raidz2 named 'tank' already I can expand the pool by doing: zpool attach tank raidz2 device1 device2 device3 ... device7 It will make 'tank' larger and each group of disks (vdev? or zdev?) will be dual parity. It

Re: [zfs-discuss] Can this be done?

2009-04-07 Thread Michael Shadle
On Tue, Apr 7, 2009 at 5:22 PM, Bob Friesenhahn bfrie...@simple.dallas.tx.us wrote: No.  The two vdevs will be load shared rather than creating a mirror. This should double your multi-user performance. Cool - now a followup - When I attach this new raidz2, will ZFS auto rebalance data between

[zfs-discuss] ZFS data loss

2009-04-07 Thread Victor Galis
Hi, I have lost a ZFS volume and I am hoping to get some help to recover the information ( a couple of months worth of work :( ). I have been using ZFS for more than 6 months on this project. Yesterday I ran a zvol status command, the system froze and rebooted. When it came back the discs

Re: [zfs-discuss] Can this be done?

2009-04-07 Thread Scott Lawson
Michael Shadle wrote: On Tue, Apr 7, 2009 at 5:22 PM, Bob Friesenhahn bfrie...@simple.dallas.tx.us wrote: No. The two vdevs will be load shared rather than creating a mirror. This should double your multi-user performance. Cool - now a followup - When I attach this new raidz2,

[zfs-discuss] Importing zpool after one side of mirror was destroyed

2009-04-07 Thread Christopher West
Hello all, I have a customer asking the following question. Does anyone have any suggestions? I have searched SunSolve and have not had any luck finding documentation to assist this customer. Any assistance would be greatly appreciated! Thank you in advance, Chris

Re: [zfs-discuss] Importing zpool after one side of mirror was destroyed

2009-04-07 Thread Geoff Shipman
Chris, I believe the trouble is stemming from the fact both devices in the pool are seen as available, but as customer noted one side of the mirror was destroyed by the install. If the untouched device were alone then the pool should be listed as being in a degraded state as with a mirror the