Re: [zfs-discuss] zfs send recv without uncompressing data stream

2012-01-25 Thread Edward Ned Harvey
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Mickaël CANÉVET Unless I misunderstood something, zfs send of a volume that has compression activated, uncompress it. So if I do a zfs send|zfs receive from a compressed volume to a

[zfs-discuss] zfs send recv without uncompressing data stream

2012-01-24 Thread Mickaël CANÉVET
Hi, Unless I misunderstood something, zfs send of a volume that has compression activated, uncompress it. So if I do a zfs send|zfs receive from a compressed volume to a compressed volume, my data are uncompressed and compressed again. Right ? Is there a more effective way to do it (without

Re: [zfs-discuss] zfs send recv without uncompressing data stream

2012-01-24 Thread Jim Klimov
2012-01-24 13:05, Mickaël CANÉVET wrote: Hi, Unless I misunderstood something, zfs send of a volume that has compression activated, uncompress it. So if I do a zfs send|zfs receive from a compressed volume to a compressed volume, my data are uncompressed and compressed again. Right ? Is there

Re: [zfs-discuss] zfs send recv without uncompressing data stream

2012-01-24 Thread Richard Elling
On Jan 24, 2012, at 7:52 AM, Jim Klimov wrote: 2012-01-24 13:05, Mickaël CANÉVET wrote: Hi, Unless I misunderstood something, zfs send of a volume that has compression activated, uncompress it. So if I do a zfs send|zfs receive from a compressed volume to a compressed volume, my data are

Re: [zfs-discuss] zfs send recv without uncompressing data stream

2012-01-24 Thread Jim Klimov
2012-01-24 19:52, Jim Klimov wrote: 2012-01-24 13:05, Mickaël CANÉVET wrote: Hi, Unless I misunderstood something, zfs send of a volume that has compression activated, uncompress it. So if I do a zfs send|zfs receive from a compressed volume to a compressed volume, my data are uncompressed and

Re: [zfs-discuss] zfs send recv without uncompressing data stream

2012-01-24 Thread David Magda
On Tue, January 24, 2012 13:37, Jim Klimov wrote: One more rationale - compatibility, including future-proof somewhat (the zfs-send format explicitly does not guarantee that it won't change incompatibly). I mean stransfer of data between systems that do not implement the same set of