Air Cleaner User Manual

Big Enabled Volume Group?
Specify“ y” to create this volume group as a big enabled volume group
which allows great than 32 disks to be assigned. The maximum number of
volumes that may be assigned to this type of volume group is 128. Specify
“n” if you do not want the volume group to be created as big enabled.
Factor Size?
Specify a value of 1, 2, or 3 for the volume group’s factor size. The factor
size affects the number of physical partitions that may be in the volume
group.
Hot Spare?
Specify the hot spare policy for this volume group. You will need to ensure
that there is an adequate number of physical volumes assigned to this
volume group to support you choice. The valid options are:
Y Specify a one to many ratio of disks to hot spare disks in this
volume group.
y Specify a one to one ratio of disks to hot spare disks in this volume
group.
n Do not designate hot spares for this volume group.
You must first have assigned the adequate number of physical volumes to
this volume group to support your choice using the Select Physical
Volumes for Volume Groups menu. Also, you must designate the desired
assigned disks as hot spares using the Change Physical Volume Attributes
menu before selecting this option.
Note: This option only applies to backups created on systems running AIX
5.1 or later.
Logical Track Group Size?
Specify the logical track group size in kilobytes to use for disks in this
volume group. Valid options are 128, 256, 512, 1024.
Note: This option only applies to backups created on systems running AIX
5.1 or later.
Auto-sync?
Specify “y” or “n” to turn on or off the auto-synchronization of stale
partitions in this volume group.
Note: This option only applies to backups created on systems running AIX
5.1 or later.
Filesystem Type?
Set this option to globally set the file system type in this volume group. By
default, this field’s value is Not Set. This means that the file system type
will be set exactly as it was on the backup image.Valid options are “1” for
jfs or “2” for jfs2 file systems.
Note: At this time of this publication’s creation, root filesystems (/, /usr,
/var, /tmp) may only be JFS2 type when created on CHRP
hardware using the either 32 bit or 64 bit kernel. This is a limitation
of AIX.
If you are changing file systems in the volume group a different type,
SysBack will automatically convert or create the appropriate jfs log type to
Chapter 11. Changing the Volume Group, Logical Volume and Filesystem Attributes 11-7