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How to increase the filesystem size in HACMP

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Operating Systems AIX How to increase the filesystem size in HACMP
# 1  
Old 05-21-2009
How to increase the filesystem size in HACMP
How to increase the filesystem size in HACMP.
what is the difference between normal chfs command and increase the filesystem size in HACMP.
# 2  
Old 05-21-2009
The difference is: you have 2 (or more) machines in a cluster but only one of them has access to the filesystems at a time. If you change the filesystem you have to make sure that not only this one machine but ALL machines in the cluster get this information and update their bookkeeping data.

"chfs" is changing the filesystem on one machine and updating this bookkeeping data (in the ODM) accordingly. This is - for reasons stated aboce - not sufficient.

I hope this helps.

bakunin
# 3  
Old 05-22-2009
How to increase the filesystem size in HACMP
Quote:
Originally Posted by bakunin
The difference is: you have 2 (or more) machines in a cluster but only one of them has access to the filesystems at a time. If you change the filesystem you have to make sure that not only this one machine but ALL machines in the cluster get this information and update their bookkeeping data.

"chfs" is changing the filesystem on one machine and updating this bookkeeping data (in the ODM) accordingly. This is - for reasons stated aboce - not sufficient.

I hope this helps.

bakunin

Thanks....
How to update in ODM.How to increase through HACMP
# 4  
Old 05-22-2009
You can find 'CSPOC' option in "smitty hacmp".
Through this you can increase the filesystem, and this will take care of updating ODM entries and timestamp of the filesystem in all the nodes of the cluster.
# 5  
Old 10-17-2009
check this post
Does HACMP have bugs increasing filesystem or Logical volumes
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