[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

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 can

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 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-discuss

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 Marc Bevand
Vanja vanjab at 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