Re: [zfs-discuss] A couple of quick questions

2010-12-22 Thread Cindy Swearingen
Hi Per, Disk devices are used to create ZFS storage pools. Then, you create file systems that can access all the available disk space in the storage pool. ZFS file systems are not constrained to any physical disk in the storage pool. Consider that you will need to backup your data regardless o

Re: [zfs-discuss] A couple of quick questions

2010-12-22 Thread Michael Schuster
I can't answer any of these authoritatively(?), but have a comment: On Wed, Dec 22, 2010 at 10:55, Per Hojmark wrote: > 1) What's the maximum number of disk devices that can be used to construct > filesystems? lots. > 2) Is there a practical limit on #1? I've seen messages where folks suggeste

[zfs-discuss] A couple of quick questions

2010-12-22 Thread Per Hojmark
1) What's the maximum number of disk devices that can be used to construct filesystems? 2) Is there a practical limit on #1? I've seen messages where folks suggested 40 physical devices is the practical maximum. That would seem to imply a maximum single volume size of 80TB... 3) Are vdevs hie