Re: [zfs-discuss] Raidz parity drives

2008-08-02 Thread Bob Friesenhahn
On Wed, 30 Jul 2008, Justin Vassallo wrote: > > Does that imply that when you add zfs automatically load-balances across its > mirrors? Yes, ZFS load balances across mirrors. If you add individual drives to a ZFS pool, it will load-share across the drives. You can then add mirrors for those dr

Re: [zfs-discuss] Raidz parity drives

2008-07-30 Thread Marc Bevand
Vanja gmail.com> writes: > > And finally, if this is the case, is it possible to make an array with > 3 drives, and then add the mirror later? I assume you are asking if it is possible to create a temporary 3-way raidz, then transfer your data to it, then convert it to a 4-way raidz ? No it is

Re: [zfs-discuss] Raidz parity drives

2008-07-30 Thread Justin Vassallo
>This means you can convert a non-redundant load-shared configuration into a redundant >load-shared configuration. Bob, Does that imply that when you add zfs automatically load-balances across its mirrors? Does that also mean that when the drives in a mirror are not as fast as each other, the fs

Re: [zfs-discuss] Raidz parity drives

2008-07-30 Thread Vanja
Sorry I meant "add the parity drive". I've got too much data to keep secondary backups, for now. This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discus

Re: [zfs-discuss] Raidz parity drives

2008-07-30 Thread Will Murnane
On Wed, Jul 30, 2008 at 07:24, Vanja <[EMAIL PROTECTED]> wrote: > I was just wondering what would happen in a raidz array if one of the drives > failed? I imagine everything would work fine for reading, but will I be able > to write to the array still? Yes. > If I can write, does that mean that

Re: [zfs-discuss] Raidz parity drives

2008-07-30 Thread Bob Friesenhahn
On Wed, 30 Jul 2008, Vanja wrote: > > And finally, if this is the case, is it possible to make an array > with 3 drives, and then add the mirror later? I imagine this is > extremely similar to the previous situation. One of the joys of using mirrors is that you can add a mirror device, and you

[zfs-discuss] Raidz parity drives

2008-07-30 Thread Vanja
I was just wondering what would happen in a raidz array if one of the drives failed? I imagine everything would work fine for reading, but will I be able to write to the array still? If I can write, does that mean that replacing the dead drive with a working one will catch up the new drive? I t