Re: [zfs-discuss] Plan for upgrading a ZFS based SAN

2010-02-17 Thread Tiernan OToole
At the moment is just one pool with a plan to add the 500gb drives... What would be recommend? -Original Message- From: Brandon High Sent: 17 February 2010 01:00 To: Tiernan OToole Cc: Robert Milkowski ; zfs-discuss@opensolaris.org Subject: Re: [zfs-discuss] Plan for upgrading a ZFS

Re: [zfs-discuss] Plan for upgrading a ZFS based SAN

2010-02-16 Thread Brandon High
On Tue, Feb 16, 2010 at 3:13 PM, Tiernan OToole wrote: > Cool... Thanks for the advice! Buy why would it be a good idea to change > layout on bigger disks? On top of the reasons Bob gave, your current layout will be very unbalanced after adding devices. You can't currently add more devices to a

Re: [zfs-discuss] Plan for upgrading a ZFS based SAN

2010-02-16 Thread Bob Friesenhahn
On Tue, 16 Feb 2010, Tiernan OToole wrote: Cool... Thanks for the advice! Buy why would it be a good idea to change layout on bigger disks? Larger disks take longer to resilver, have a higher probability of encountering an error during resilvering or normal use, and are often slower. This m

Re: [zfs-discuss] Plan for upgrading a ZFS based SAN

2010-02-16 Thread Tiernan OToole
Cool... Thanks for the advice! Buy why would it be a good idea to change layout on bigger disks? -Original Message- From: Brandon High Sent: 16 February 2010 18:26 To: Tiernan OToole Cc: Robert Milkowski ; zfs-discuss@opensolaris.org Subject: Re: [zfs-discuss] Plan for upgrading a ZFS

Re: [zfs-discuss] Plan for upgrading a ZFS based SAN

2010-02-16 Thread Brandon High
On Tue, Feb 16, 2010 at 8:25 AM, Tiernan OToole wrote: > So, does that work with RAIDZ1 and 2 pools? Yes. Replace all the disks in one vdev, and that vdev will become larger. Your disk layout won't change though - You'll still have a raidz vdev, a raidz2 vdev. It might be a good idea to revise th

Re: [zfs-discuss] Plan for upgrading a ZFS based SAN

2010-02-16 Thread Tiernan OToole
So, does that work with RAIDZ1 and 2 pools? On Tue, Feb 16, 2010 at 1:47 PM, Robert Milkowski wrote: > > > On Mon, 15 Feb 2010, Tiernan OToole wrote: > > Good morning all. >> >> I am in the process of building my V1 SAN for media storage in house, and >> i >> am already thinkg ov the V2 build..

Re: [zfs-discuss] Plan for upgrading a ZFS based SAN

2010-02-16 Thread Robert Milkowski
On Mon, 15 Feb 2010, Tiernan OToole wrote: Good morning all. I am in the process of building my V1 SAN for media storage in house, and i am already thinkg ov the V2 build... Currently, there are 8 250Gb hdds and 3 500Gb disks. the 8 250s are in a RAIDZ2 array, and the 3 500s will be in RAIDZ

Re: [zfs-discuss] Plan for upgrading a ZFS based SAN

2010-02-15 Thread James Dickens
Yes send and receive will do the job. see zfs manpage for details. James Dickens http://uadmin.blogspot.com On Mon, Feb 15, 2010 at 11:56 AM, Tiernan OToole wrote: > Good morning all. > > I am in the process of building my V1 SAN for media storage in house, and i > am already thinkg ov the V2 b

[zfs-discuss] Plan for upgrading a ZFS based SAN

2010-02-15 Thread Tiernan OToole
Good morning all. I am in the process of building my V1 SAN for media storage in house, and i am already thinkg ov the V2 build... Currently, there are 8 250Gb hdds and 3 500Gb disks. the 8 250s are in a RAIDZ2 array, and the 3 500s will be in RAIDZ1... At the moment, the current case is quite f