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Moving the Boot Device to an emcpower Device
3-9
Configuring a PowerPath Boot Device on Solaris
6. Using a text editor such as vi, make the following changes to the
/etc/system file:
• Add this line above the
forceload: drv/emcp statement:
forceload: drv/sd
• Add this line below the forceload: drv/emcp statement:
rootdev: /pseudo/emcp@6:a,blk
The /etc/system file now includes the following lines:
forceload: drv/sd
forceload: drv/emcp
rootdev: /pseudo/emcp@6:a,blk
7. Using a text editor such as vi, edit the /etc/vfstab file,
replacing each native partition (
c#t#d#s#) for the boot device
with an emcpower partition name. In this example, you would
replace
c1t6d0s0 with emcpower6a. You must change both the
/dev/dsk and /dev/rdsk entries.
8. Restart the host. Enter:
reboot
Recovery
Procedure
If you cannot boot the host after configuring the PowerPath device as
the boot device, you may have made a typing error when editing the
/etc/system and /etc/vfstab files. To recover:
1. Insert the Solaris Operating System CD-ROM into the host’s
CD-ROM drive.
2. At the
ok prompt, enter:
boot cdrom –s
3. Mount the storage system boot device that is experiencing the
problem. For example, enter:
mount /dev/dsk/c1t6d0s0 /a
4. Enter:
TERM=sun-cmd
export TERM
5. Check the /etc/system and /etc/vfstab files against the
changes you made to these files when you set up multipathing to
the storage system boot device. Use a text editor such as
vi to
correct any problems you find.