After getting a few replies on this, I've realized the following:
If I have 3 disks in a raidz vdev and I want to add more storage in the future, I would need add another 3 disk raidz vdev. If I have 4 disks in a raidz2 vdev and I want to add more storage in the future, I would need add another 4 disk raidz2 vdev. If I have multiple 2 disk mirrors in a pool and I want to add more storage in the future, I would need to add another 2 disk mirror. Mirroring seems to be my least favorite option since it uses up so much space. I could also mix and match the above, but I think I will get confused later on down the road. ;-) My goal is to have some sort of fault tolerance for this data, but I know I will need to grow it someday as drives only last so long and larger drives will be more affordable and readily available. Thanks for the replies so far. I want to do this right the first time. I didn't realize the task of choosing what kind fault tolerance to use in ZFS would be this difficult! But I am very impressed with how quickly and easily I can destroy and recreate pools. On 6/17/07, Joe S <[EMAIL PROTECTED]> wrote:
I'm playing around with ZFS and want to figure out the best use of my 6x 300GB SATA drives. The purpose of the drives is to store all of my data at home (video, photos, music, etc). I'm debating between: 6x 300GB disks in a single raidz2 pool --or-- 2x (3x 300GB disks in a pool) mirrored I've read up a lot on ZFS, but I can't really figure out which is ideal. I know that both ways will work but it seems like the 3 disk strip in a 2 way mirror is the most flexible as far as adding drives. Any help is appreciated. Running Solaris 10 with latest patches.
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