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тАО12-09-2002 12:22 AM
тАО12-09-2002 12:22 AM
Max PE per PV
Hi,
I have a 2 node (rp8400 and L3000)/HP-UX 11i cluster connected to XP512.
I have initially got a volumegroup vg06 with "Max PE per PV = 1016" and "PE Size = 8 MB". Earlier I had OPEN-9 Luns of XP512 of 7 GB. This can be seen through vgdisplay.
Now I have new OPEN-E Luns of XP512 of 14 GB. When I extend vg06 with two more OPEN-E luns, I am getting only 16 GB free space out of 28 GB.
Can I change "Max PE per PV" ?
Is there any other method through which I can utilize the total capacity of OPEN-E luns in vg06?
Thanks,
I have a 2 node (rp8400 and L3000)/HP-UX 11i cluster connected to XP512.
I have initially got a volumegroup vg06 with "Max PE per PV = 1016" and "PE Size = 8 MB". Earlier I had OPEN-9 Luns of XP512 of 7 GB. This can be seen through vgdisplay.
Now I have new OPEN-E Luns of XP512 of 14 GB. When I extend vg06 with two more OPEN-E luns, I am getting only 16 GB free space out of 28 GB.
Can I change "Max PE per PV" ?
Is there any other method through which I can utilize the total capacity of OPEN-E luns in vg06?
Thanks,
Everything is possible
3 REPLIES 3
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тАО12-09-2002 02:15 AM
тАО12-09-2002 02:15 AM
Re: Max PE per PV
HI,
I'm sorry. You've no chance. The only way is to create a new vg with a higher value of "Max PE per PV", mount it and copy the data into the new vg.
Bye
I'm sorry. You've no chance. The only way is to create a new vg with a higher value of "Max PE per PV", mount it and copy the data into the new vg.
Bye
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тАО12-09-2002 04:33 AM
тАО12-09-2002 04:33 AM
Re: Max PE per PV
this has been configrmed many times I'm afraid.. seach "PE per PV" in the ITRC search.
I'd suggest in any case to increase the "PE size" NOT the Max PEs/PV say 64MB (up to 256MB), and REDUCE "max PE/PV" to 1024.
Later,
Bill
I'd suggest in any case to increase the "PE size" NOT the Max PEs/PV say 64MB (up to 256MB), and REDUCE "max PE/PV" to 1024.
Later,
Bill
It works for me (tm)
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тАО11-24-2003 06:49 AM
тАО11-24-2003 06:49 AM
Re: Max PE per PV
I had a thought, and I'm not sure this would work, but if someone has tested it or can verify its validity or verify that it definitely will not work, that would be a big help.
To increase Max PE per PV, could you add the larger disk to the volume group, export the volume group, and the import the volume group? Would the volume group then get rebuilt with a new Max PE per PV, or do the volume group parameters come back exactly as they were created?
Is this behavior different if you use a map file vs. not using a map file?
Thanks
To increase Max PE per PV, could you add the larger disk to the volume group, export the volume group, and the import the volume group? Would the volume group then get rebuilt with a new Max PE per PV, or do the volume group parameters come back exactly as they were created?
Is this behavior different if you use a map file vs. not using a map file?
Thanks
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