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тАО12-18-2002 02:21 AM
тАО12-18-2002 02:21 AM
adding a new cluster
In a cluster of two nodes, with MC/ServiceGuard 11.14 and HP-UX 11i is there a particular way to add a cluster !!
I already tried to do that as it is explained in the documentation but it do not work (either by using sum or by using command line )
error message is :
unable to determine a unique identifier for physical volume /dev/dsk/cXtYdZ on node NODE_NAME use pvcreate to give the disk an identifier.
but the problem is that this disk (adress) is unavailable for the moment (VA controller 1 out ) but we can access to this disk using the other controller.
help needed
Thank you.
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тАО12-18-2002 02:40 AM
тАО12-18-2002 02:40 AM
Re: adding a new cluster
I understood that you tried an "cmapplyconf" and got the message:
Error: Unable to determine a unique identifier for physical volumn ...
There are two ways to solve that:
a) Please make the disk available again.
b) reduce the disk from the volume group
# vgreduce -f /dev/vg_name
Regards,
Armin
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тАО12-18-2002 02:46 AM
тАО12-18-2002 02:46 AM
Re: adding a new cluster
Your 1st question:
In a cluster of two nodes, with MC/ServiceGuard 11.14 and HP-UX 11i is there a particular way to add a cluster !!
You can't add a cluster to a cluster. Clusters are independent of each other. You can, however, add a node to a cluster.
The message is probably due to the fact that disk is in the lvmtab and serviceguard is expecting to be able to get information on it and can't. Do as suggested and vgreduce the disk out of the vg
Hope this helps
Chris
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тАО12-18-2002 02:47 AM
тАО12-18-2002 02:47 AM
Re: adding a new cluster
Rajeev
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тАО12-18-2002 02:57 AM
тАО12-18-2002 02:57 AM
Re: adding a new cluster
Your disk has two paths.
#vgreduce /dev/dsk/
This removes the disk on controller 1, leaving the other disk. When youget the controller fixed, readd with vgextend.
export the new lvm information and update the other nodes
# vgexport -v -p -s -m /tmp/vg??.map vg??
on the other nodes after copying the mapfile:
# vgexport vg??
# mkdir /dev/vg??
# mknod /dev/vg??/group c 64 0x??0000 -- the minor number must be the same on all nodes.
# vgimport -v -s -m /tmp/vg??.map vg??
Done. Just be sure to vgexport/vgimport after the controller is fixed and you have readded it to the vg on the original node.
Hope this helps
Chris
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тАО12-18-2002 03:11 AM
тАО12-18-2002 03:11 AM
Re: adding a new cluster
I asked a wrong question !!!
her is the real problem
In a cluster of two nodes, with MC/ServiceGuard 11.14 and HP-UX 11i is there a particular way to add a package!! (2 packages are already there)
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тАО12-18-2002 03:24 AM
тАО12-18-2002 03:24 AM
Re: adding a new cluster
are you sure tha MC\secviceguard needs the tow(all) physical physical on the volume group to add a pkg ???
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тАО12-18-2002 04:57 AM
тАО12-18-2002 04:57 AM
Re: adding a new cluster
If it cannot query all physical volumes that are supposed to be shared/present in clustered volume groups, it will complain.
As for your first question:
http://www1.itrc.hp.com/service/cki/docDisplay.do?docLocale=en_US&docId=200000062922821
http://www1.itrc.hp.com/service/cki/docDisplay.do?docLocale=en_US&docId=200000062686627
These and other well-done docs may be found in the technical knowledge base using the keyword "uxsg" or "umcsg"
Hope this helps
Chris