Hi Ravi,
I think a previous bug prevented the use of volumes in non-global zones
and the man page was not updated. This is a bug in the man page. I will
fix this.
I agree that this text here:
http://docsview.sfbay.sun.com/app/docs/doc/819-5461/ftyxh?a=view
A ZFS volume is a dataset that represents a block device and can be used
like any block device.
*****************************
Could be widely interpreted and should be revised to indicate when using
a volume is appropriate.
Cindy
Ravi Kota wrote:
Hi,
The zfs(1M) man page indicates that a ZFS volume should only be used
under special circumstances as below.
/*volume** */
/A logical volume exported as a raw
or block device. This type of
dataset should only be used under
special circumstances. File systems
are typically used in most
environments. Volumes cannot be used
in a non-global zone./
However the ZFS administration guide
<http://docs.sun.com/app/docs/doc/819-5461> seems to indicate that a ZFS
volume can be used like any raw/ block device. What are the special
circumstances where we can NOT use a ZFS volume as a regular raw/ block
device?
The administration guide also has an example on exporting a ZFS
<http://docs.sun.com/app/docs/doc/819-5461/gbebi?a=view> volume to a zone.
# *zonecfg -z zion*
zion: No such zone configured
Use 'create' to begin configuring a new zone.
zonecfg:zion> *create*
zonecfg:zion> *add device*
zonecfg:zion:device> *set match=/dev/zvol/dsk/tank/vol*
zonecfg:zion:device> *end
*
So why does the man page indicate that "Volumes cannot be used in a
non-global zone".
Thanks
Ravi
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