Re: [zfs-discuss] reccomended disk configuration

2007-09-17 Thread Peter Schuller
I also wanted to test a recovery of my pool, so my took two disk raidz pool onto a friends freebsd box. It seems both systems use zfs version 6, but the import failed. I noticed on the boot logs: GEOM: ad6: corrupt or invalid GPT detected. GEOM: ad6: GPT rejected -- may not be

Re: [zfs-discuss] reccomended disk configuration

2007-09-17 Thread Richard Elling
Mario Goebbels wrote: Hi, thanks for the tips. I currently using a 2 disk raidz configuration and it seems to work fine, but I'll probably take your advice and use mirrors because I'm finding the raidz a bit slow. What? How would a two disk RAID-Z work, anyway? A three disk RAID-Z

Re: [zfs-discuss] reccomended disk configuration

2007-09-15 Thread Mario Goebbels
I have: 2x150GB SATA ii disks 2x500GB SATA ii disks Is it possible/recommended to have something like a pool of two raidz pools. This will hopefully maximize my storage space compared to mirrors, and still give me self healing yes? You can't create a RAID-Z out of two disks. You either

Re: [zfs-discuss] reccomended disk configuration

2007-09-15 Thread Mario Goebbels
Hi, thanks for the tips. I currently using a 2 disk raidz configuration and it seems to work fine, but I'll probably take your advice and use mirrors because I'm finding the raidz a bit slow. What? How would a two disk RAID-Z work, anyway? A three disk RAID-Z missing a disk? 50% of the

Re: [zfs-discuss] reccomended disk configuration

2007-09-15 Thread Wee Yeh Tan
On 9/15/07, Mario Goebbels [EMAIL PROTECTED] wrote: You can't create a RAID-Z out of two disks. You either have to go with two mirrors (150GB and 500GB) in a pool, or the funkier variation of a RAID-Z and mirror (4x150GB and a 350GB mirror). Actually, you can. It may not make sense but it is

Re: [zfs-discuss] reccomended disk configuration

2007-09-15 Thread Wee Yeh Tan
On 9/15/07, Peter Bridge [EMAIL PROTECTED] wrote: I have: 2x150GB SATA ii disks 2x500GB SATA ii disks I will go with a mirror. You need at least 500GB in parity anyway (since you want to survive any disk failure). That means the maximum you can get out of this setup is 800GB. With a mirror,