Once upon a time, Theodore Ts'o <[email protected]> said:
>This isn't actually a new idea, BTW. Digital's advfs had storage
>pools and the ability to have a single advfs filesystem spam multiple
>filesystems, and to have multiple adv filesystems using storage pool,
>something like ten years ago.
A really nice feature of AdvFS is fileset-level snapshots. For my Alpha
servers, I don't have to allocate disk space to snapshot storage; the
fileset uses free space within the fileset for changes while a snapshot
is active. For my Linux servers using LVM, I have to leave a chunk of
space free in the volume group, make sure it is big enough, make sure
only one snapshot exists at a time (or make sure there's enough free
space for multiple snapshots), etc.
AdvFS is also fully integrated with TruCluster; when I started
clustering, I didn't have to change anything for most of my storage.
I will miss AdvFS when we turn off our Alphas for the last time (which
won't be far off I guess; final order date for an HP Alpha system is
less than a year away now).
--
Chris Adams <[email protected]>
Systems and Network Administrator - HiWAAY Internet Services
I don't speak for anybody but myself - that's enough trouble.
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