Lucent Technologies 585-210-940 Manuel D’Utilisation
Maintaining Mirrored Systems
CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems
Repairing or rebuilding the /cms file system
45
Repairing or rebuilding the
/cms
file system
3
This section contains procedures for reinitializing the
/cms file system.
You may need to perform this procedure in case of disk corruption or
some other catastrophic system problem. The point of the procedure is to
repair
some other catastrophic system problem. The point of the procedure is to
repair
/cms or, failing that, to rebuild it and restore the latest available
CMS data. Try to repair the file system first: if you can repair it, you will
save considerable time and trouble.
save considerable time and trouble.
Repairing
/cms
3
This procedure attempts to repair
/cms.
1. Turn off CMS.
a. Enter a
cmsadm
or
cmssvc
command.
b. Select the
run_cms
option.
c. Select the
Turn off CMS
option.
2. Unmount
/cms:
The system prompt should return without messages, as shown.
3. Do this step only if the
umount
command returned the
response
/cms: device busy
.
a. Load the
/etc/vfstab file into your editor.
b. Find the
/cms
and
/cms/swap
lines. Comment out both lines.
(To comment out a line, insert a pound sign at the beginning.)
c. Save the file and exit the editor.
d. Reboot by entering the following command:
4. Attempt to repair /cms:
#
umount
/cms
#
#
/usr/sbin/shutdown
-i6
-g0
-y
#
fsck
-y
/dev/md/rdsk/d21
**
/dev/md/dsk/d21
**
Last mounted on /cms
**
Phase 1 - Check Blocks and Sizes
**
Phase 2 - Check Pathnames
**
Phase 3 - Check Connectivity
**
Phase 4 - Check Reference Counts
**
Phase 5 Check Cyl groups
2060 files, 564453 used, 6468748 free (1900
frags, 808356 blocks, 0.0%
#