Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

  • Congratulations derfloh on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!

HACMP 4.4.1 & logical volumes

Status
Not open for further replies.

Inimeg

Technical User
Joined
Aug 1, 2005
Messages
3
Location
BE
Help!!!!! We are working with AIX4.3.3ML11 and HACMP4.4.2 and we experience the following problem.
When I add a shared logical volume to the config, most of the time I cannot add a shared file system to the shared lv. Sometinmes when I remove the drive from the system (rmdev) reconfigure the disk and format the disk, it will work, but not all of the times. And this is not an option when there is data on the disk where you want to add the logical volume/filesystem. Does anybody knows if this is a known bug in this version of HAMCP, and if there is another workaround for this problem.
 
another way is to create lv/fs in common way (not via C-SPOC) and synchronize changes in ODM as follows:

On first node (having your shared VG varied on and on which lv/fs creation was performed) run this command:

varyonvg -b -u yoursharedvg

Then on second node run this command:

importvg -L yoursharedvg hdisk_member_of_this_VG

After that, on first node run this command:

varyonvg yoursharedvg
 
Thanx for your quick response, the fix is unfortunately allready installed, so no quick win there. The other option you mentioned sounds good, but isn't the first command a varyoffvg? If so, it is a no-go, because I cannot bring the cluster down.
 
not varyoffvg but as I wrote varyonvg which only unlocks VG to be able run "importvg -L yoursharedvg hdisk_member_of_this_VG" on second node. "-L" means "learn changes".
 
Thanx, gonna try this outside office hours.
 
it works for 100%.

I've used it a lot of times - everytime with success.

I think doing LV/FS via C-SPOC it executes exactly the same commands to sync the other cl nodes.
 
btw. cluster and user's work is not affected running mentioned commands
 
Status
Not open for further replies.

Part and Inventory Search

Sponsor

Back
Top