Hi Ned,
Which man page are you referring to?
I see the zfs receive -o syntax in the S11 man page.
The bottom line is that not all properties can be set on the
receiving side and the syntax is one property setting per -o
option.
See below for several examples.
Thanks,
Cindy
I don't think version is a property that can be set on the
receiving size. The version must be specified when the file
system is created:
# zfs create -o version=5 tank/joe
You can't change blocksize on the receiving side either because
it is set during the I/O path. You can use shadow migration to
migrate a file system's blocksize.
This syntax errors because the supported syntax is "-o
property" not "-o properties."
# zfs send tank/home/cindy@now | zfs receive -o
compression=on,sync=disabled pond/cindy.backup
cannot receive new filesystem stream: 'compression' must be one of 'on
| off | lzjb | gzip | gzip-[1-9] | zle'
Set multiple properties like this:
# zfs send tank/home/cindy@now | zfs receive -o compression=on -o
sync=disabled pond/cindy.backup2
Enabling compression on the receiving side works, but verifying
the compression can't be done with ls.
The data is compressed on the receiving side:
# zfs list -r pond | grep data
pond/cdata 168K 63.5G 168K /pond/cdata
pond/nocdata 289K 63.5G 289K /pond/nocdata
# zfs send -p pond/nocdata@snap1 | zfs recv -Fo compression=on rpool/cdata
# zfs get compression pond/nocdata
NAME PROPERTY VALUE SOURCE
pond/nocdata compression off default
# zfs get compression rpool/cdata
NAME PROPERTY VALUE SOURCE
rpool/cdata compression on local
You can't see the compressed size with the ls command:
# ls -lh /pond/nocdata/file.1
-r--r--r-- 1 root root 202K Dec 21 13:52 /pond/nocdata/file.1
# ls -lh /rpool/cdata/file.1
-r--r--r-- 1 root root 202K Dec 21 13:52 /rpool/cdata/file.1
You can see the size difference with zfs list:
# zfs list -r pond rpool | grep data
pond/cdata 168K 63.5G 168K /pond/cdata
pond/nocdata 289K 63.5G 289K /pond/nocdata
rpool/cdata 168K 47.6G 168K /rpool/cdata
You can also see the size differences with du -h:
# du -h pond/nocdata/file.1
258K pond/nocdata/file.1
# du -h rpool/cdata/file.1
137K rpool/cdata/file.1
On 12/21/12 11:41, Edward Harvey wrote:
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
boun...@opensolaris.org] On Behalf Of Edward Ned Harvey
zfs send foo/bar@42 | zfs receive -o compression=on,sync=disabled biz/baz
I have not yet tried this syntax. Because you mentioned it, I looked for it in
the man page, and because it's not there, I hesitate before using it.
Also, readonly=on
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