RE: Use entire disk as PV.

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From: Speagle, Andy [mailto:andy.speagle@xxxxxxxxxxx]

I’m trying to setup the partitioning section of my kickstarts in such a way that rather than partitioning a disk and using /dev/sdX1 as the PV for my root VG, that I can instead use the entire disk. 

 

The reason for doing this would be to make PV resizing a bit easier for virtual machines.  Otherwise, I must muck around with the partition table and blah blah … not a show-stopper, but potentially dangerous for junior admins.

 

I suspect that the functionality just isn’t there… but does anyone know the magic syntax to get it to use the entire drive (aka. /dev/sdb) as a PV during kickstart?

 

Why do you need to resize PVs for virtual machines?  You allocate the extra space to your VM as another virtual drive or partition, then using LVM create another Physical Volume for that drive, add that Physical Volume to your Volume Group and Logical Volume, and extend the filesystem.  No  mucking around with an existing partition table.

 

I would be confused if I encountered a disk without a partition table – I’d probably assume it wasn’t formatted at all.  Better to train your junior admins in standard practice?

 

 

Moray.

“To err is human; to purr, feline.”

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