[Xen-users] best practicefor storage allocation for vm?

["it-news \(Josef Lahmer\)" <it-news@xxxxxxxxx>]

dear list,

whats de best practice giving store to vm?
you can make plans for every server, but some have much free space, some vm's 
need storage. is there a way to easy change disk capacity?

storage for xen-server side:
a) fc shared storage for a hand of servers. images sored on centrally storage.
b) local lvm and the posibility do add local disks for the vm's
wich variant do you prefer?

on vm side:
my idea was to give every machine minimum disk and add disks when needed.
but what do do when unexpected growth or changes needed?

a) resize lvm-disk => have to user reiser or ex2-fs which can do resizing?
b) add an extra disk and use lvm on vm too? => also problem with resizing 
filesystem?
c) mounting the disk (maybe my snapshot), takeing the files and copy to a new 
bigger disk.

a and b looks interessting, but i think c would also be very easy way?

any other ideas?

regards
josy

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