Mr. Teo En Ming (Zhang Enming) wrote:
Thank you for your advice!
Is it called LVM snapshot?
Yes. That's what it's called for.
-vpk
PS. And please don't top post. It breaks the 'flow' of the post and
makes it hard to read from the archives. Plus is against the list rules
in some of the lists you are cross posting this (which is also bad). It
would have been better to ask the question separatedly on different
lists instead.
Problem is that everything else than using dd can have it fair
share of problems. If the domU can't be offline too long, you
could allocate more space and use the lvm:s instant cloning
features (can't remember the name just now. ) and then use dd with
gzip or bzip to make the backup from this clone to keep the space
requirements minimum for the stored copies. And have minimum
disruption for the DomU.
-vpk
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