Re: [zfs-discuss] zfs send... too slow?

2009-10-27 Thread David Dyer-Bennet
On Sun, October 25, 2009 03:45, Orvar Korvar wrote: It seems that zfs send... takes quite some time? 300GB takes 10 hours, this far. And I have in total 3TB to backup. This means it will take 100 hours. Is this normal? If I had 30TB to back up, it would take 1000 hours, which is more than a

Re: [zfs-discuss] zfs send... too slow?

2009-10-26 Thread Albert Chin
On Sun, Oct 25, 2009 at 01:45:05AM -0700, Orvar Korvar wrote: I am trying to backup a large zfs file system to two different identical hard drives. I have therefore started two commands to backup myfs and when they have finished, I will backup nextfs zfs send mypool/m...@now | zfs receive

Re: [zfs-discuss] zfs send... too slow?

2009-10-26 Thread Richard Elling
On Oct 25, 2009, at 1:45 AM, Orvar Korvar wrote: I am trying to backup a large zfs file system to two different identical hard drives. I have therefore started two commands to backup myfs and when they have finished, I will backup nextfs zfs send mypool/m...@now | zfs receive

Re: [zfs-discuss] zfs send... too slow?

2009-10-26 Thread Marion Hakanson
knatte_fnatte_tja...@yahoo.com said: Is rsync faster? As I have understood it, zfs send.. gives me an exact replica, whereas rsync doesnt necessary do that, maybe the ACL are not replicated, etc. Is this correct about rsync vs zfs send? It is true that rsync (as of 3.0.5, anyway) does not

Re: [zfs-discuss] zfs send... too slow?

2009-10-26 Thread Richard Elling
On Oct 26, 2009, at 11:51 AM, Marion Hakanson wrote: knatte_fnatte_tja...@yahoo.com said: Is rsync faster? As I have understood it, zfs send.. gives me an exact replica, whereas rsync doesnt necessary do that, maybe the ACL are not replicated, etc. Is this correct about rsync vs zfs send?

[zfs-discuss] zfs send... too slow?

2009-10-25 Thread Orvar Korvar
I am trying to backup a large zfs file system to two different identical hard drives. I have therefore started two commands to backup myfs and when they have finished, I will backup nextfs zfs send mypool/m...@now | zfs receive backupzpool1/now zfs send mypool/m...@now | zfs receive

Re: [zfs-discuss] zfs send... too slow?

2009-10-25 Thread Ian Collins
Orvar Korvar wrote: It seems that zfs send... takes quite some time? 300GB takes 10 hours, this far. And I have in total 3TB to backup. This means it will take 100 hours. Is this normal? If I had 30TB to back up, it would take 1000 hours, which is more than a month. Can I speed this up?