HACMP adding disk for mirroring Post: 302300189

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Operating Systems AIX HACMP adding disk for mirroring Post 302300189 by shockneck on Monday 23rd of March 2009 12:37:10 PM

03-23-2009

Registered User

Quote:

Originally Posted by CW15

[...]
Here is what I'm not sure about adding the disk.
6.) on Node1 : smit hacmp > system management (c-spoc) > hacmp physical volume management > add a disk to the cluster > select node1 & node2 >
This is what I' not sure about what disk type to pick for HP EVA8000 MPIP disk.

As you could assign a PVID to the disk on both nodes installation of the HP drivers was successfull and the LUN will be usable as hdisk. If the hdisk is visible from both nodes by its PVID you can select the disk from the CSPOC menu. CSPOC will offer only disks that are known at the cluster nodes by its PVID and that do not belong to any VG yet. It does not ask for "type".

I have no experience with HP EVA but in case this HP EVA is some sort of FC disk that is accessed via two or more paths you might want to set the hdisk's hcheck_interval (if applicable) to a value different from the default 0 bevor integrating it into the VG.

Quote:

Originally Posted by CW15

[...]Here is I plan to do after successfully added the disk.
7.) on Node1 : smit hacmp > system management (c-spoc) > hacmp logical volume management > shared volume groups > set characteristics of a shared volume group > Add a volume to a shared volume group
8.) on Node1 : smit hacmp > system management (c-spoc) > hacmp logical volume management > shared volume groups > mirror a shared volume group

yes. The CSPOC panel will probably hang till the mirroring is finished.

Quote:

Originally Posted by CW15

[...]9.) do the failover to make sure it picks up the changes

Not necessary when using CSPOC.

Quote:

Originally Posted by CW15

[...]10.) do the same thing as step 8 but this time perform the "unmirror a shared volume group" & remove the physical (Shark) disk from cspoc.

yes.

Last edited by shockneck; 03-23-2009 at 01:43 PM..

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