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тАО01-14-2011 05:15 PM
тАО01-14-2011 05:15 PM
Can someone tell me the steps for extending a volume group on serviceguard running clustered systems ?
Thanks,
Manoj
Solved! Go to Solution.
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тАО01-15-2011 06:15 AM
тАО01-15-2011 06:15 AM
Solution1.create phisical volume using pvcreate
#pvcreate /dev/rdsk/c8t2d5
2.extend the volume group using vgextend
#vgextend /dev/vgdp /dev/dsk/c8t2d5 /dev/dsk/c11t2d5
3.extend the logical volume using lvextend
#lvextend -L
5.extend the file system using fsadm
#fsadm -b
#export the vg in preview mode
#vgexport -p -s -m /tmp/vgdp.map vgdp
6.copy the map file to alternative node using scp/rcp
On alternative node
1.check and note the minor number in group file for vgdp
#ls -l /dev/vgdp/group
2 export the vg
#vgexport vgdp
3.create the directory for vgdp
#mkdir /dev/vgdp
4.create the group file vgdp
#mknod /dev/vgdp/group c 64
5.import the vg
#vgimport -s -m /tmp/vgdp.map vgdp
#vgchange -c y vgname
Hope this helps
Thanks
Manix
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тАО01-16-2011 03:36 AM
тАО01-16-2011 03:36 AM
Re: Volume Group extension on Serviceguard clustered systems
If free PE's are available your can extend the pkg file system as normal procedure.
lvextend,fsadm
There is no need for vgexport and import
You don't have any free PE's and new lun's need to add, then you have to follo the above procedure.
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тАО01-16-2011 11:34 PM
тАО01-16-2011 11:34 PM
Re: Volume Group extension on Serviceguard clustered systems
Hi manoj,
1. Extend the logical volume:
lvextend -L 256 /dev/vg07/lvolx
256 MB is now the Total size of the LV
2. Extend the filesystem:
# fsadm -b 262144 /FS
The size is in blocks, so multiply the logical volume size by 1024
(256 x 1024 = 262144)
>> If the VG is only activated in only One node (Active - Passive Cluster) the above two steps are enough.
NOTE: If you are adding extending the VG (adding disk to a VG) then you have to perform the vgexport and vgimport operations.
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тАО06-02-2014 01:03 AM
тАО06-02-2014 01:03 AM
Re: Volume Group extension on Serviceguard clustered systems
Deactivate the VG:
# vgchange -a n vgNEW
Cluster the VG:
# vgchange -c y vgNEW
If the package that will operate the VG is already running, activate the VG. Also activate the VG if a logical volume will be created.
# vgchange -a e vgNEW
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- vinay Singh
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тАО06-26-2014 10:33 AM
тАО06-26-2014 10:33 AM
Re: Volume Group extension on Serviceguard clustered systems
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тАО05-02-2019 12:40 AM
тАО05-02-2019 12:40 AM
Re: Volume Group extension on Serviceguard clustered systems
Can we use the same steps for lvcreation instead of extension for a VG in service guard which is active on both nodes.