On Wed, 22 Mar 2006, John Goerzen wrote:
Quite simply: In a professional environment, if your full overnight
backups do not fit on a single tape then you either need an adequately
sized changer or larger tapes. Simple economic calculations will show that
staff costs will easily exceed that of adequate hardware in short order
when intervention is continuously required.
Now in your environment, though, you were not worrying about offsite
backups and also were using a single tape for a whole week. I'm a
little confused about what you're suggesting here.
1: We have a LARGE datasafe and all tapes are stored in it.
2: As I stated, those filesets (1 tape per week) are not regarded as
critical restore data - using week old tapes is fine.
The critical filesets are treated somewhat differently.
What we have is mostly recoverable spacecraft data and is also mostly
archival, growing filesets - the vast majority of backing up is because
it's faster to recover this way than trying to pull it in from offsite.
AB
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