HP-UX 11i v3 LVM New Features in HP-UX 11i v3 (September 2009)

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Miscellaneous
s
ry 2007 release of HP-UX 11i v3, LVM commands were enhanced to avoid overwriting LVM
configuratio n p sical volumes that already belong to a volume group and are recorded in the
s not present in
/etc/lvmt eded even though the corresponding physical volume belonged to a volume group recorded in
ary 2007 release of HP-UX 11i v3 so that
pvcreate
or is the same for both legacy and persistent DSFs of the physical volume.
In addition to
pvcreate the following commands have been enhanced similarly:
t1d0 and
c9t1d0.
ases prior to HP-UX 11i v3. But on HP-UX 11i v3
pvcreate fails and prints the following:
"/dev/dsk/c9t1d0" is already present in the
"/etc/lvmtab" file and represents an alternate link to "/dev/dsk/c6t1d0".”
Mirror Disk Installation No Longer Requires a Reboot
With the HP-UX 11i v3 release, the Mirror Disk product installation is much easier. Unlike previous releases, Mirror Disk
product installation does not require a reboot.
Commands enhanced to prevent misconfigurations through alternate link
Starting with the Februa
n data o hy
/etc/lvmtab or /etc/lvmtab_p.
In prior releases,
pvcreate with -f (force) option on an alternate physical volume path that wa
ab succe
/etc/lvmtab. This behavior has been changed with the Febru
fails in such situations. The behavi
vgcreate, pvremove, vgimport, and vgchgid.
Example
As an example, consider a multipathed physical volume whose DSFs are /dev/dsk/c9
/dev/dsk/c6t1d0. Let the volume group be configured with only /dev/dsk/
‘pvcreate
–
f /dev/rdsk/c6t1d0’ succeeds on rele
“pvcreate: The physical volume