IBM Elastic Storage System 3000, Service Manual

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5) Unmount one or more file systems by issuing the following command:
# mmumount <filesystem> -a
6) Turn off the GPFS automount by issuing the following command:
# mmchfs <filesystem> -A no
7) Turn off the GPFS autoload by issuing the following command:
# mmchconfig autoload=no
8) Confirm one or more target file systems are no longer mounted by issuing either of the
following command:
# df -h
# mslsmount
When you issue one of these commands, the file systems must not be displayed in the output.
9) Double check and confirm that the GPFS automount is disabled by issuing the following
command:
# mmlsfs <filesystem>
10) Ensure that autoload=no is under the nodeclass entry that is associated with the target ESS
3000 by issuing the following command:
# mmlsconfig
3. Shut down GPFS in both canisters by issuing the following command (customer task):
# mmshutdown -N <Node server names separated by a comma>
a. Ensure that the node servers associated with the target ESS 3000 are shut down by issuing the
following command:
# mmgetstate -a
b. Do the following extra steps on each canister if the system is running with ESS 3000 6.0.0:
cd /opt/ibm/ess/tools/conf
vim listadapter.cfg
1) Locate the following line in the .cfg file:
net = 5e:00.0 5e:00.1 d8:00.0 d8:00.1
2) Modify the located line as follows:
net = 5e:00.0 5e:00.1 d8:00.0 d8:00.1 af:00.0 af:00.1
3) Save the modifications <esc> :w .
4) Double check that the output of the cat command matches to the intended change in the .cfg
file by issuing the following command:
# cat listadapter.cfg | grep net
4. Pull power cables that are connected to the ESS 3000 system (SSR task).
a. Confirm with customer to ensure that customer did all required steps, and then disconnect the
power cables.
b. To shut down the storage enclosure, unplug both power cords that are on both the sides of the
ESS 3000 system.
32 IBM Elastic Storage System 3000: Service Guide