On Wed, 17 Oct 2012, Craig Sanders wrote: > The FreeBSD man page at the following URL mentions volumes, same as > the zfsonlinux man page. > > http://www.freebsd.org/cgi/man.cgi?query=zfs&manpath=FreeBSD+9.0-RELEASE > > the text for 'zfs create' is almost identical to the linux version. > > zfs create [-ps] [-b blocksize] [-o property=value] ... -V size volume > > Creates a volume of the given size. The volume is exported > as a block device in /dev/zvol/{dsk,rdsk}/path, where path > is the name of the volume in the ZFS namespace. The size > represents the logical size as exported by the device. By > default, a reservation of equal size is created.
Yes, it works, and gives me a (character) device: # zfs create -b 512 -V 512 zpool/testvol # ls -l /dev/zvol/zpool/testvol crw-r----- 1 root operator 0, 204 Oct 17 16:41 /dev/zvol/zpool/testvol >> Anyway, would a zvol be significantly better than a file in the zfs as I >> do now? > > performance wise? yes, definitely > > management convenience? almost certainly. e.g. zfs snapshot instead of > qemu-img snapshot. I have the disks for the VirtualBox in one directory and snapshot it. Thanks for finding "my zvols":-) Peter _______________________________________________ luv-main mailing list [email protected] http://lists.luv.asn.au/listinfo/luv-main
