[Veritas-bu] catalog size - largest
2003-05-12 18:03:34
> The answer would seem to be that you should use high capacity tapes.
> I don't compress my catalog on disk, so even though it's quite large,
it
> still easily fits on an LTO-1 cartridge (100GB native, but quite a lot
> more for uncompressed flat files like the NetBackup catalog).
>
> There's also SuperDLT (110GB native), AIT-3 (100GB native), LTO-2
(200GB
> native), DTF-2 (200GB native), and supposedly sometime soon-- S-AIT
> (500GB native).
S-AIT may fix my problem but 1) it's not available and B) I use all SDLT
at the moment, which means mixed media.
>
> Still, I don't count on Veritas or NetBackup to outlast the need to
> preserve that data. It'll likely have to be migrated to a new
> system, and probably before even a few decades have
> passed.
Migration will be interesting. For data like yours it would probably be
worth it to invest in a lot of SATA disk and just make a giant disk
store. Migration from that to new storage technology would be much
easier. Keep tape backups for DR but long term archive would be better
on disk I think.
>
> One thing I'm curious about is how NetBackup and other Unix apps
> will cope with January 19, 2038.
128-bit apps/OS? Forklift upgrades? Real nasty migration paths?
~JK
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