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Re: [Bacula-users] Why do people use tapes?
2008-06-15 15:38:00
On Jun 12, 2008, at 7:03 PM, Kendall Shaw wrote:
I suspect this is going to be a silly question. Since disk drives are
cheaper than tapes, I think. Why do people use tapes rather than
hotplug
disks?
With the low price of SATA RAID, and the ability to implement fully
automated offsite backups via simple network transfers, I don't see
the value proposition of paying administrators and offsite storage
providers to maintain most tape systems.
Live archival of 5 terabytes of (encrypted) backup data on S3 would
run $768 a month, or $9216 a year ($0.15 per GB-Month of storage), and
the archival can be fully automated -- requiring near-zero in
personnel costs. Transit to S3 isn't free, of course, but neither is
managing tape systems.
At my previous company, we set up Bacula in exactly this
configuration. Set-and-forget, backups were streamed to S3. The entire
company could be reconstituted from a USB thumb drive and an internet
connection to S3, should catastrophe occur.
-landonf
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