Veritas Storage Foundation Cross-Platform Data Sharing 5.0 AdministratorÆs Guide, HP-UX 11i v3, First Edition, May 2008
22 Setting up your system
Converting non-CDS disks to CDS disks
Converting non-CDS disks to CDS disks
To convert non-CDS disks to CDS disks
Note: The disks must be of type of auto in order to be re-initialized as CDS disks.
1 If the conversion is not going to performed on-line (that is, while access to
the disk group continues), stop any applications that are accessing the disks.
2 Type one of the following forms of the CDS conversion utility
(
vxcdsconvert) to convert non-CDS disks to CDS disks.
# vxcdsconvert -g
diskgroup
[-A] [-d
defaults_file
] \
[-o novolstop] disk
name
[
attribute
=
value
] ...
# vxcdsconvert -g
diskgroup
[-A] [-d
defaults_file
] \
[-o novolstop] alldisks [
attribute
=
value
] ...
The alldisks and disk keywords have the following effect
:
The conversion involves evacuating objects from the disk, reinitializing the
disk, and relocating objects back to disk. You can specify the
-o novolstop
option to perform the conversion on-line (that is, while access to the disk
continues). If the
-o novolstop option is not specified, stop any
applications that are accessing the disks, and perform the conversion
off-line.
Warning: Specifying the -o novolstop option can greatly increase the
amount of time that is required to perform conversion.
Before you use the vxcdsconvert command, make sure you understand its
options, attributes, and keywords.
alldisks Converts all non-CDS disks in the disk group into CDS disks.
disk Specifies a single disk for conversion. You would use this option under
the following circumstances:
■ If a disk in the non-CDS disk group has cross-platform exposure,
you may want other VxVM nodes to recognize the disk, but not
to assume that it is available for initialization.
■ If the native Logical Volume Manager (LVM) that is provided by
the operating system needs to recognize CDS disks, but it is not
required to initialize or manage these disks.
■ Your intention is to move the disk into an existing CDS disk
group.