Monday, January 28, 2013

TSM & GPFS: How to schedule a backup of a GPFS using multiple nodes to share the workload

Examples of how to schedule a backup of a GPFS file system:



The following example shows the steps necessary to back up a GPFS file system, using three nodes in the GPFS cluster to share the workload.
This example assusmes node_1, node_2, and node_3 will be used for authentication. The file spaces backed up will be stored under node_gpfs.

Define four nodes on the Tivoliᄅ Storage Manager server, using the following commands:
(1) REGISTER NODE node_1 mysecretpa5s
(2) REGISTER NODE node_2 mysecretpa5s
(3) REGISTER NODE node_3 mysecretpa5s
(4) REGISTER NODE node_gpfs mysecretpa5s

Define a proxynode relationship between the nodes, using the following command: 
GRANT PROXYNODE TARGET=node_gpfs AGENT=node_1, node_2, node_3

Define a schedule for using the following commands:
(1) DEFINE SCHEDULE STANDARD GPFS_SCHEDULE ACTION=incremental OBJECTS="/gpfs" (2) DEFINE ASSOCIATION STANDARD GPFS_SCHEDULE node_gpfs

Choose one of the GPFS systems to run the schedule.
Specify the following options in the dsm.sys file on the system chosen to run the schedule :
(1) nodename node_1
(2) asnodename node_gpfs

Start the scheduler on the system chosen to run the schedule: DSMC SCHED

Source: IBM Support
https://www-304.ibm.com/support/entdocview.wss?uid=swg1IC89847&myns=swgtiv&mynp=OCSSGSG7&mync=E

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