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12-15-2005 09:57 PM
12-15-2005 09:57 PM
volume group
If i have 2 volume groups on RH3:
VG00: boot, root....
VG01: data
Questions
1-at startup i need only the vg00 to be activated?
2-How can i activate vg01 in exclusive mode?
THANK U
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12-15-2005 10:35 PM
12-15-2005 10:35 PM
Re: volume group
2- What do you mean with exclusive mode?
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12-15-2005 11:55 PM
12-15-2005 11:55 PM
Re: volume group
in HP-UX if i want to disactivate a volume group at startup i just comment the line refering to the volume group in /etc/lvmrc so how to do in red hat ?
exclusive mode: in hp-ux vgchange -e exlusive mode so only one node of the cluster lock the volume group
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12-16-2005 12:36 AM
12-16-2005 12:36 AM
Re: volume group
I think that you can edit /etc/rc.sysinit to modify the initialization of LVM VG. In the section:
LVM2 Initialization
See also:
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=955114
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12-16-2005 12:57 AM
12-16-2005 12:57 AM
Re: volume group
what to command to diactivate vg01 at boot time ?
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12-16-2005 09:33 PM
12-16-2005 09:33 PM
Re: volume group
2. Linux activates VG's differently to HP-UX, there is no easy way to do what you want, you will need to create a custom definition in the /etc/rc.sysinit script.
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12-19-2005 01:02 AM
12-19-2005 01:02 AM
Re: volume group
1) section where md sets are activated (if applicable)
2) section where VG's are activated.
I then created another script that I put in /etc/cmcluster (I'm running MC/SG for clustering).
This script can be called from either: SG startup scripts, or from package startup scripts.
Another (easier) way to keep the md sets (mirroring) from activating: move the file /etc/raidtab to /etc/sg_raidtab. Then you can have a script run "raidstart -c /etc/sg_raidtab"
Hope this helps. I'm hoping that someone in the linux community will simplify this process. Linux nees a file similar to /etc/lvmrc.
-tjh
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03-09-2006 06:28 AM
03-09-2006 06:28 AM
Re: volume group
There is a section (look for "volume_list")in it where you list only the VGs you want to activate at boot, similar to /etc/lvmrc on HP-UX