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16. Make sure that the boot disk is in a multi-path configuration:

# lspath -l hdisk10 -s available

Available hdisk10 fscsi0

Available hdisk10 fscsi1

...

The following procedure assumes that hdisk10 is recognized as a boot

disk:

17. Check the current boot disk list:

# bootlist -m normal -o

hdisk10 blv=hd5

hdisk0 blv=hd5

hdisk1 blv=hd5

...

18. Specify boot disks that are suitable for your host environment:

# bootlist -m normal hdisk10 hdisk0 hdisk1

19. Make sure that the number of configured boot disks is the same as the

number of paths that you checked in step 15:

# bootlist -m normal -o

hdisk10 blv=hd5

hdisk0 blv=hd5

hdisk1 blv=hd5

...

If the hosts and storage systems are connected by a Fibre Channel

switch, perform steps 19 to 23. If the hosts and storage systems are not

connected by a Fibre Channel switch, go to step 24.

20. Finish defining the parent device (fscsin).

# rmdev -l fscsin -R

Note that you can use the following command to check the parent device:

# lsdev -C -l hdisk-name -F 'parent'

21. Change the fc_err_recov setting of the parent device (fscsin) to

fast_fail.

# chdev -l fscsin -a fc_err_recov=fast_fail

22. Verify that the settings for the parent device (fscsin) are enabled.

Also, verify that the fc_err_recov setting has been changed to

fast_fail.

# lsattr -El fscsin

fc_err_recov fast_fail FC Fabric Event Error RECOVERY Policy TRUE

23. Enable the defined parent device (fscsin).

# cfgmgr -l fscsin

24. Repeat steps 19 to 22 for each parent device (fscsin) being used.

Creating an HDLM Environment

3-33

Hitachi Dynamic Link Manager User Guide for AIX

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