Veritas Storage Foundation Intelligent Storage Provisioning 5.0.1 Administrators Guide, HP-UX 11i v3, First Edition, November 2009

snapvol1_snp1 volume -- snapvol1 1.30 --
snapvol1 vol1_snp1 volume vol1 -- 1.30 1.30
The %DIRTY value for snapvol1 shows that its contents have changed by 1.30%
when compared with the contents of vol1. As snapvol1 has not been synchronized
with vol1, the %VALID value is the same as the %DIRTY value. If the snapshot were
partly synchronized, the %VALID value would lie between the %DIRTY value and
100%. If the snapshot were fully synchronized, the %VALID value would be 100%.
The snapshot could then be made independent or moved into another disk group.
Additional information about the snapshots of volumes and volume sets can be
obtained by using the -n option with the following vxsnap print command:
# vxsnap [-g diskgroup] -n [-l] [-v] [-x] print [vol]
Alternatively, you can use the following vxsnap list command, which is an alias
for the vxsnap -n print command:
# vxsnap [-g diskgroup] [-l] [-v] [-x] list [vol]
The following output is an example of using this command on the disk group dg:
# vxsnap -g dg -vx list
NAME DG OBJTYPE SNAPTYPE PARENT PARENTDG SNAPDATE CHANGE_DATA SYNCED_DATA
vol dg1 vol - - - - - 10G (100%)
svol1 dg2 vol fullinst vol dg1 2006/2/1 12:29 20M (0.2%) 60M (0.6%)
svol2 dg1 vol mirbrk vol dg1 2006/2/1 12:29 120M (1.2%) 10G (100%)
svol3 dg2 vol volbrk vol dg1 2006/2/1 12:29 105M (1.1%) 10G (100%)
svol21 dg1 vol spaceopt svol2 dg1 2006/2/1 12:29 52M (0.5%) 52M (0.5%)
vol-02 dg1 plex snapmir vol dg1 - - 56M (0.6%)
mvol dg2 vol mirvol vol dg1 - - 58M (0.6%)
vset1 dg1 vset - - - - - 2G (100%)
v1 dg1 compvol - - - - - 1G (100%)
v2 dg1 compvol - - - - - 1G (100%)
svset1 dg1 vset mirbrk vset dg1 2006/2/1 12:29 1G (50%) 2G (100%)
sv1 dg1 compvol mirbrk v1 dg1 2006/2/1 12:29 512M (50%) 1G (100%)
sv2 dg1 compvol mirbrk v2 dg1 2006/2/1 12:29 512M (50%) 1G (100%)
vol-03 dg1 plex detmir vol dg1 - 20M (0.2%) -
mvol2 dg2 vol detvol vol dg1 - 20M (0.2%) -
This shows that the volume vol has three full-sized snapshots, svol1, svol2 and
svol3, which are of types full-sized instant (fullinst), mirror break-off (mirbrk)
and linked break-off (volbrk). It also has one snapshot plex (snapmir), vol-02,
and one linked mirror volume (mirvol), mvol. The snapshot svol2 itself has a
space-optimized instant snapshot (spaceopt), svol21. There is also a volume set,
123Administering instant snapshots
Creating instant snapshots