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тАО11-07-2010 01:19 AM
тАО11-07-2010 01:19 AM
I have the following vitual array situation in a customer's EVA storage:
1-The default vgroup needs to be expanded by
adding new disks to it.
2-the vgroup has vdisks configured and presented to two HP-UX servers.
3- Each vdisk needs to be expanded to increase
capacity.
What are the steps needed to do the above,specaily task 3.
Note:
I could not find an option in command view which would allow me to expand a particular vdisk to new size ,but I read in a practice handbook that I need to UNPRESENT the vdisk before expanding it .Even in hp manuals there is no mention of such a task.
Please your quick advice would be higly appreciated.
Solved! Go to Solution.
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тАО11-07-2010 02:12 PM
тАО11-07-2010 02:12 PM
Solution1) if you have empty space inside vgroup, just resize it in windows showing size (e.g. 300GB -> 400GB) and save, it will extend vdisk
2) if there is no free space, you have to add disks into vgroup, ideally wait due leveling and go to step 1.
Most important - you OS must handle such change correctly, I think HP-UX is capable of it, but you need unix gui with knowledge of hp-ux tools hove to expand filesystem after you resized vdisk presented to server.
Jan
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тАО11-08-2010 06:58 AM
тАО11-08-2010 06:58 AM
Re: expanding a virtual disk in EVA storage
Once HP-UX finds them, each vdisk becomes a Logical Volume Manager (LVM) Physical Volume. (pvcreate)
Multiple Physical Volumes become a (LVM) Volume Group. (vgcreate)
Volume Groups are sliced into (LVM) Logical Volumes. (lvcreate)
Logical Volumes *can be extended*. (lvextend)
And the majority of HP-UX systems I see, customers use LVM instead of creating a file system on individual EVA vdisks.
So where you say "the vgroup has vdisks configured and presented to two HP-UX servers", are you using the Logical Volume Manager to consolidate vdisks into logical volumes which have the file systems?
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Don't forget to rate the usefulness/quality of *all* responses to (all of) your question(s).
Note: While I am an HPE Employee, all of my comments (whether noted or not), are my own and are not any official representation of the company
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тАО11-08-2010 11:05 AM
тАО11-08-2010 11:05 AM
Re: expanding a virtual disk in EVA storage
Anything below 11.23 does NOT support LUN increasing!
The additional space in a vdisk will just be useless until you recreate the VG!
Hope this helps!
Regards
Torsten.
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тАО11-08-2010 12:41 PM
тАО11-08-2010 12:41 PM
Re: expanding a virtual disk in EVA storage
Note: While I am an HPE Employee, all of my comments (whether noted or not), are my own and are not any official representation of the company
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тАО11-08-2010 09:34 PM
тАО11-08-2010 09:34 PM
Re: expanding a virtual disk in EVA storage
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тАО11-08-2010 10:22 PM
тАО11-08-2010 10:22 PM
Re: expanding a virtual disk in EVA storage
First the LVM structure (the physical extend layout) must be extended to the additional space (the grown vdisk); this can be done using "vgmodify", which is not available lelow 11.23.
The workaround is to create a new vdisk and add it to the volume group.
Hope this helps!
Regards
Torsten.
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those who understand binary, and those who don't.
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тАО11-09-2010 09:19 AM
тАО11-09-2010 09:19 AM
Re: expanding a virtual disk in EVA storage
Note: While I am an HPE Employee, all of my comments (whether noted or not), are my own and are not any official representation of the company
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тАО11-09-2010 01:44 PM
тАО11-09-2010 01:44 PM