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SLES 10 Storage Administration Guide
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2.2.5 Force the RAM Disk to Recognize the Root Partition
The mkinitrd(8)
command creates file system images for use as initial RAM disk (initrd)
images. These RAM disk images are often used to preload the block device modules (SCSI or
RAID) needed to access the root file system.
You might need to force the RAM to update its device node information so that it loads the root (
/
)
partition from the
/dev/evms
path.
NOTE:
Recent patches to
mkinitrd
might resolve the need to do this task. For the latest version
of mkinitrd, see
Recommended Updates for mkinitrd
(http://support.novell.com/techcenter/psdb/
24c7dfbc3e0c183970b70c1c0b3a6d7d.html)
at the Novell Technical Support Center.
1
At a terminal console prompt, enter the EVMS Ncurses command as the
root
user or
equivalent:
evmsn
2
Review the output to verify that EVMS shows only the
/boot
and
swap
partitions as active in
EVMS.
You should see the following devices mounted (with your own partition names, of course) for
these two partitions:
/dev/evms/sda1
/dev/evms/sda2
3
At a terminal console prompt, enter the following to update the
initrd
image with the
/
dev/evms
path information for the root (
/
) partition:
/sbin/mkinitrd -f evms
This does not take effect until you restart the server.
4
Continue with
Section 2.2.6, “Restart the Server,” on page 26
.
2.2.6 Restart the Server
1
Restart the server to apply the post-install configuration settings.
When your system restarts, the kernel loads the
init-ramdisk
, which runs the EVMS tools
to activate your volumes and mount your root file system. Then your boot scripts run the
EVMS tools once more to make sure your
/dev/evms/
directory correctly reflects the
current state of your volumes. Finally, the remaining EVMS volumes are mounted as specified
in your
/etc/fstab
file. Everything else on your system should start up as you would
normally expect.
2
Continue with
Section 2.2.7, “Verify that EVMS Manages the Boot, Swap, and Root
Partitions,” on page 26
.
2.2.7 Verify that EVMS Manages the Boot, Swap, and Root
Partitions
1
At a terminal prompt, enter the EVMS Ncurses command as the
root
user or equivalent:
evmsn
2
Review the output to verify that EVMS shows the
/boot
,
swap
, and root (
/
) partitions as
active in EVMS.
Summary of Contents for LINUX ENTERPRISE SERVER 10 - STORAGE ADMINISTRATION GUIDE 7-2007
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