IBM Elastic Storage System 3000, Service Manual

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d. Ensure that node servers are active before you do the next step by issuing the following
command:
# mmgetstate -a
e. Turn on the GPFS automount by issuing the following command:
# mmchfs <filesystem> -A yes
f. Turn on the GPFS autoload by issuing the following command:
# mmchconfig autoload=yes
g. Double check and confirm that the GPFS automount is enabled by issuing the following command:
# mmlsfs <filesystem>
h. Ensure that autoload=yes is under the nodeclass entry that is associated with the target ESS
3000 by issuing the following command:
# mmlsconfig
9. Mount the file system (customer task):
a. Mount the file system by issuing the following command :
# mmmount <filesystem> -a
b. Confirm that the mounts are up again by issuing the following command:
# mmlsmount <filesystem> -L
c. Confirm that one or more file systems are mounted by issuing the following command:
# mmlsmount
10. Do health check by issuing the following command, and resume I/O because the MES is complete
(customer task):
# mmhealth node show
ESS 3000 memory MES upgrade
Overview
This procedure is intended for the non-concurrent (offline) memory MES installation of feature code ACGB
to upgrade cache memory with additional 768 GB (24 x 32 GB) for each system.
Objectives
• Install all memory DIMMs to both server canisters.
• Configure GPFS pagepool size to 60% (of cache memory size).
High-level MES upgrade steps
1. Stop all I/O to one or more file systems that are mounted on the MES target ESS 3000 system.
2. Unmount one or more file systems and prepare GPFS to stay in the offline mode.
3. Shut down GPFS.
4. Power off ESS 3000.
5. Install the memory.
6. Power on ESS 3000 and do basic checks.
Chapter 2. Servicing 35