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Maintaining Mirrored Systems
CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems
Doing a CMSADM backup on a mirrored system
41
Doing a CMSADM backup on a mirrored system
3
This section describes how to perform a traditional CMSADM backup on
a mirrored system.
a mirrored system.
Mirroring is intended as a way to minimize data loss should a system crash
occur, not as a way to avoid backing up data. Mirrored systems must be backed
up just as often as unmirrored systems.
occur, not as a way to avoid backing up data. Mirrored systems must be backed
up just as often as unmirrored systems.
Step 1: Print the
vfstab file
vfstab file
3
Print out the contents of the
vfstab file before beginning the backup. You
will need the information in that file to restore files from the backup tape.
To print the
vfstab file, do the following:
1. Enter the following command:
2. Retrieve the printout and save it. You will need it again when the
backup finishes.
Step 2: Run the
backup
backup
3
1. At the system console, log in as
root.
2. Verify that the computer is in a
Solaris multi-user state (a run level of
2
or
3
) by entering a
who -r
command. The system responds by
listing the run level and date. For example:
If the system is in some other run level, reboot and log in again as
the root user:
the root user:
NOTE:
#
lp
/etc/vfstab
#
who
-r
. run-level 3
Feb 2 16:52 3 O S
#
#
/usr/sbin/shutdown -y -g0 -i6
.
.
.
<hostname> login: root
password:
<password>
.
.
.
#