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Maintaining Mirrored Systems
CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems
Adding new disks to a standard mirrored system
63
Adding new disks to a standard mirrored system
3
The procedure in this section adds new disks to a system that is already
mirrored. In order to use this procedure, your assigned boot disks must
be the same as those assigned during a factory installation of disk
mirroring. If your boot disk assignments differ from the standard factory
arrangement (see the table immediately below), you must add the disks
using the procedure in
mirrored. In order to use this procedure, your assigned boot disks must
be the same as those assigned during a factory installation of disk
mirroring. If your boot disk assignments differ from the standard factory
arrangement (see the table immediately below), you must add the disks
using the procedure in
.
New
Enterprise 3000 internal disks are “hot swappable,” meaning they
can be inserted into a running system. The operating system, however,
will not recognize the new disks until the system has been rebooted.
will not recognize the new disks until the system has been rebooted.
1. Enter the command:
Examine the output for the status of each metadevice. (It’s indicated
in the
in the
Status:....
line.) All metadevices must have a status
of
okay
before you may proceed. Do not attempt this
procedure while any metadevice is resynching or needs
maintenance.
maintenance.
2. Do a CMSADM backup. For detailed instructions, see the Lucent
Technologies Administration or Upgrades document for your version
of CMS.
of CMS.
3. Turn off CMS:
a. Enter a
cmsadm
or
cmssvc
command.
b. Select the
cms_run
option.
c. Select the
Turn off cms
option.
4. Halt the system:
5. Install the new disk drives by plugging them into the appropriate
empty drive slots. Follow the instructions you received with the disk
drives or with your basic system, or see the Lucent Technologies
installation or maintenance document for your version of CMS.
drives or with your basic system, or see the Lucent Technologies
installation or maintenance document for your version of CMS.
Boot-Disk Assignments for Factory-Installed Mirroring
Boot Disk 1
Boot Disk 2
(E3000)
Boot Disk 2
(E3500)
c0t0d0
c0t1d0
c1t4d0
#
/usr/opt/SUNWmd/sbin/metastat
#
/usr/sbin/shutdown
-y
-i0
-g0