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45Upgrading the product
Upgrading from 4.1 to 5.0
16 Configure SFCFS on system01 and system02. See “Using the log files”.
Note: VCS configuration files are not changed during this configuration.
17 Upgrade file systems to proper disk layout version as mentioned in
“Upgrading the disk layout versions” on page 50.
18 Verify that all the file systems are working properly and data is intact.
See
cfsmount(1M).
Upgrading from 4.1 to 5.0
SFCFS can be upgraded from 4.1 to 5.0 using phased or full upgrade procedure.
Phased upgrade
Following procedure assumes a 4 node cluster system01, system02, system03,
system04 where system01 and system02 are initially upgraded and rest of the
cluster is brought up later.
To upgrade from 4.1 to 5.0
1 Log in as superuser.
2 Select one or more nodes to upgrade, say system01 and system02.
3 Insert the appropriate software disc into your system's DVD drive.
4 Determine the block device file for the DVD drive:
# ioscan -fnC disk
Make a note of the device file as it applies to your system.
5 Create a directory in which to mount the software disc and mount the disc
using the appropriate drive name. For example:
# mkdir -p /dvdrom
# /usr/sbin/mount -F cdfs /dev/dsk/c3t2d0 /dvdrom
6 Change to the top-level directory on the disc:
# cd /dvdrom
7 Install all the prerequisite patches on system01 and system02. See
“Required HP-UX patches” on page 15.
If this step is being performed in any phase other than the first phase of the
upgrade, the llthosts need to be replace to prevent vxfen from starting
after reboot by running the following commands.
a Move /etc/llthosts to /etc/llthosts.bak on all the nodes to be
upgraded.