[kwlug-disc] Offline/offsite archival data storage
opengeometry at yahoo.ca
Wed Oct 16 13:13:29 EDT 2013
On Wed, Oct 16, 2013 at 12:34:39PM -0400, Khalid Baheyeldin wrote:
> My solution in a nutshell:
> Vantec Nextar eSATA dock + 3TB WD green disk.
General agreement... but go with USB3 and /not/ WD Green.
Why not WD Green? -- bad reputation. I think most dock can spin the
disk down, and OP wants electrically disconnected backup. So, power is
of minor issue. It's just bad drive.
Why USB? -- since OP mentioned "offsite" && "online", you can attach
your USB disk to any network device. Beaglebone Black or Raspberry Pi
has USB port, but not eSATA. Also, some el-cheapo NAS doesn't have
> Buy a pair of drives, do your backup, and take the disk to a drawer where
> you work, or leave with a friend/relative.
> I use the dump tool for daily level 1 dumps, and weekly level 0 (full)
I use rsync, because I don't need incremental restore.
> eSATA is faster than USB, and does not tax the CPU while backup is being
> done. Green drives spin down when not in use, so use less power and emit
> less heat.
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