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Adding storage to DB2 PureScale Cluster

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tekpr00

tekpr00

IS-IT--Management
Jan 22, 2008
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Hello All
I have five servers in my DB2 PureScale clusters as shown in the attached picture.
PureScale_t4hejr.jpg

Facility Servers F1, F2, and Node Servers N1, N2, N3.

Supposing I want to increase the storage according to my research as follows:
1. List existing filesystems $ db2cluster -cfs -list -filesystem
2. List disks $ lspv
3. Check the size of the disk $ bootinfo -s hdisk11
4. Add the disk to a filesystem $ db2cluster -add -filesystem db2data1 -disk /dev/hdisk11 etc
5. Rebalance the filesystem. $ db2cluster -cfs -rebalance -filesystem db2data1

Question: Should I perform steps 1-5 above ONLY on DB2 Node#1 in the diagram
OR
Perform steps 1-5 on all the DB2 Node#1 - #3?
Also, do you think I need server reboot.
 
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