Live Upgrade Should Support Mounting Global Devices From Boot Disk (6433728)

Problem Summary: During live upgrade, the lucreate and luupgrade commands fail to change the DID names in the alternate boot environment that corresponds to the /global/.devices/node@N entry.

Workaround: Before you start the live upgrade, perform the following steps on each cluster node.

1. Become superuser.

2. Back up the /etc/vfstab file.

   # cp /etc/vfstab /etc/vfstab.old

3. Open the /etc/vfstab file for editing.

4. Locate the line that corresponds to /global/.device/node@N.

5. Edit the global device entry.

   • Change the DID names to the physical names.

     Change /dev/did/{r}dsk/dYsZ to /dev/{r}dsk/cNtXdYsZ.

   • Remove global from the entry.

   The following example shows the name of DID device d3s3 which corresponds to /global/.devices/node@s, changed to its physical device names and the global entry removed:

   Original: /dev/did/dsk/d3s3 /dev/did/rdsk/d3s3 /global/.devices/node@2 ufs 2 no global Changed: dev/dsk/c0t0d0s3 /dev/rdsk/c0t0d0s3 /global/.devices/node@2 ufs 2 no -

6. When the /etc/vfstab file is modified on all cluster nodes, perform live upgrade of the cluster, but stop before you reboot from the upgraded alternate boot environment.

7. On each node, on the current, unupgraded, boot environment, restore the original /etc/vfstab file.

   # cp /etc/vstab.old /etc/vfstab

8. In the alternate boot environment, open the /etc/vfstab file for editing.

9. Locate the line that corresponds to /global/.devices/node@N and replace the dash (-) at to the end of the entry with the word global.

   /dev/dsk/cNtXdYsZ /dev/rdsk/cNtXdYsZ /global/.devices/node@N ufs 2 no global

10. Reboot the node from the upgraded alternate boot environment.

    The DID names are substituted in the /etc/vfstab file automatically.