[zfs-discuss] ZFS snapshot used space question

2012-08-29 Thread Truhn, Chad
All, I apologize in advance for what appears to be a question asked quite often, but I am not sure I have ever seen an answer that explains it. This may also be a bit long-winded so I apologize for that as well. I would like to know how much unique space each individual snapshot is using. I

Re: [zfs-discuss] ZFS snapshot used space question

2012-08-30 Thread Truhn, Chad
On Wed, Aug 29, 2012 at 8:58 PM, Timothy Coalson tsc...@mst.edu wrote: As I understand it, the used space of a snapshot does not include anything that is in more than one snapshot. True. It shows the amount that would be freed if you destroyed the snapshot right away. Data held onto by more

Re: [zfs-discuss] ZFS ok for single disk dev box?

2012-08-30 Thread Truhn, Chad
Now that is interesting. But how do you do a receive before you reinstall? Live cd?? Just boot off of the CD (or jumpstart server) to single user mode. Format your new disk, create a zpool, zfs recv, installboot (or installgrub), reboot and done.

Re: [zfs-discuss] ZFS snapshot used space question

2012-08-31 Thread Truhn, Chad
Is there a way to get the total amount of data referenced by a snapshot that isn't referenced by a specified snapshot/filesystem? I think this is what is really desired in order to locate snapshots with offending space usage. The written and written@ attributes seem to only do the reverse.

Re: [zfs-discuss] S11 vs illumos zfs compatiblity

2012-12-17 Thread Truhn, Chad
On 12/14/12 10:07 AM, Edward Ned Harvey (opensolarisisdeadlongliveopensolaris) wrote: Is that right? You can't use zfs send | zfs receive to send from a newer version and receive on an older version? That is my experience. If you do a zfs upgrade on the sending machine, the receiving