Re: [zfs-discuss] recommendations on adding vdev to raidz zpool

2008-10-26 Thread Bob Friesenhahn
On Sun, 26 Oct 2008, Peter Baumgartner wrote: >> > What is the risk of creating a pool consisting of two raidz vdevs that > don't have the same number of disks? Virtually no risk. The only matter of concern would be if the vdevs have substantially different I/O performance and latencies since ZF

Re: [zfs-discuss] recommendations on adding vdev to raidz zpool

2008-10-26 Thread Peter Tribble
On Sun, Oct 26, 2008 at 2:00 PM, Peter Baumgartner <[EMAIL PROTECTED]> wrote: >> >> They do not have to have the same number of drivers, you can even mix >> raidz and plain >> disks. That is more a recommendation. Add -f to the command. >> > What is the risk of creating a pool consisting of two rai

Re: [zfs-discuss] recommendations on adding vdev to raidz zpool

2008-10-26 Thread Mattias Pantzare
On Sun, Oct 26, 2008 at 3:00 PM, Peter Baumgartner <[EMAIL PROTECTED]> wrote: > On Sun, Oct 26, 2008 at 4:02 AM, Mattias Pantzare <[EMAIL PROTECTED]> wrote: >> On Sun, Oct 26, 2008 at 5:31 AM, Peter Baumgartner <[EMAIL PROTECTED]> wrote: >>> I have a 7x150GB drive (+1 spare) raidz pool that I need

Re: [zfs-discuss] recommendations on adding vdev to raidz zpool

2008-10-26 Thread Peter Baumgartner
On Sun, Oct 26, 2008 at 4:02 AM, Mattias Pantzare <[EMAIL PROTECTED]> wrote: > On Sun, Oct 26, 2008 at 5:31 AM, Peter Baumgartner <[EMAIL PROTECTED]> wrote: >> I have a 7x150GB drive (+1 spare) raidz pool that I need to expand. >> There are 6 open drive bays, so I bought 6 300GB drives and went to

Re: [zfs-discuss] recommendations on adding vdev to raidz zpool

2008-10-26 Thread Mattias Pantzare
On Sun, Oct 26, 2008 at 5:31 AM, Peter Baumgartner <[EMAIL PROTECTED]> wrote: > I have a 7x150GB drive (+1 spare) raidz pool that I need to expand. > There are 6 open drive bays, so I bought 6 300GB drives and went to > add them as a raidz vdev to the existing zpool, but I didn't realize > the raid

[zfs-discuss] recommendations on adding vdev to raidz zpool

2008-10-25 Thread Peter Baumgartner
I have a 7x150GB drive (+1 spare) raidz pool that I need to expand. There are 6 open drive bays, so I bought 6 300GB drives and went to add them as a raidz vdev to the existing zpool, but I didn't realize the raidz vdevs needed to have the same number of drives. (why is that?) My plan now is to, c