Re: [zfs-discuss] ZFS on a SAN

2009-03-12 Thread Scott Lawson
en a step that is implied (or maybe I'm just inferring it) is to go to the SAN and reassign the LUN from hostA to hostB. Correct? - Original Message From: Erik Trimble To: Grant Lowe Cc: zfs-discuss@opensolaris.org Sent: Wednesday, March 11, 2009 1:42:06 PM Subject: Re: [zfs-discu

Re: [zfs-discuss] ZFS on a SAN

2009-03-12 Thread Grant Lowe
ginal Message From: Erik Trimble To: Grant Lowe Cc: zfs-discuss@opensolaris.org Sent: Wednesday, March 11, 2009 1:42:06 PM Subject: Re: [zfs-discuss] ZFS on a SAN I'm not 100% sure what your question here is, but let me give you a (hopefully) complete answer: (1) ZFS is NOT a clustered f

Re: [zfs-discuss] ZFS on a SAN

2009-03-12 Thread Sriram Narayanan
On Thu, Mar 12, 2009 at 2:12 AM, Erik Trimble wrote: > On the SAN, create (2) LUNs - one for your primary data, and one for > your snapshots/backups. > > On hostA, create a zpool on the primary data LUN (call it zpool A), and > another zpool on the backup LUN (zpool B).  Take snapshots on A, the

Re: [zfs-discuss] ZFS on a SAN

2009-03-11 Thread Grant Lowe
chard Elling To: Erik Trimble Cc: Grant Lowe ; zfs-discuss@opensolaris.org Sent: Wednesday, March 11, 2009 1:52:31 PM Subject: Re: [zfs-discuss] ZFS on a SAN Erik Trimble wrote: > I'm not 100% sure what your question here is, but let me give you a > (hopefully) complete answer: >

Re: [zfs-discuss] ZFS on a SAN

2009-03-11 Thread Grant Lowe
1:42:06 PM Subject: Re: [zfs-discuss] ZFS on a SAN I'm not 100% sure what your question here is, but let me give you a (hopefully) complete answer: (1) ZFS is NOT a clustered file system, in the sense that it is NOT possible for two hosts to have the same LUN mounted at the same time, even if bot

Re: [zfs-discuss] ZFS on a SAN

2009-03-11 Thread Erik Trimble
e, compare 'zfs send' and 'zfs'receive' to 'ufsdump' and 'ufsrestore' (respectively) for their utility. -Erik > > > ----- Original Message ---- > From: Erik Trimble > To: Grant Lowe > Cc: zfs-discuss@opensolaris.org > Sent: Wedne

Re: [zfs-discuss] ZFS on a SAN

2009-03-11 Thread Richard Elling
Erik Trimble wrote: I'm not 100% sure what your question here is, but let me give you a (hopefully) complete answer: (1) ZFS is NOT a clustered file system, in the sense that it is NOT possible for two hosts to have the same LUN mounted at the same time, even if both are hooked to a SAN and can

Re: [zfs-discuss] ZFS on a SAN

2009-03-11 Thread Grant Lowe
Sent: Wednesday, March 11, 2009 1:42:06 PM Subject: Re: [zfs-discuss] ZFS on a SAN I'm not 100% sure what your question here is, but let me give you a (hopefully) complete answer: (1) ZFS is NOT a clustered file system, in the sense that it is NOT possible for two hosts to have the same LUN

Re: [zfs-discuss] ZFS on a SAN

2009-03-11 Thread Erik Trimble
I'm not 100% sure what your question here is, but let me give you a (hopefully) complete answer: (1) ZFS is NOT a clustered file system, in the sense that it is NOT possible for two hosts to have the same LUN mounted at the same time, even if both are hooked to a SAN and can normally see that LUN.

[zfs-discuss] ZFS on a SAN

2009-03-11 Thread Grant Lowe
Hi All, I'm new on ZFS, so I hope this isn't too basic a question. I have a host where I setup ZFS. The Oracle DBAs did their thing and I know have a number of ZFS datasets with their respective clones and snapshots on serverA. I want to export some of the clones to serverB. Do I need to z