[OpenIndiana-discuss] Tape backup

[Jonathan Adams]

We used to use DDS DAT tapes, and with the advent of ZFS we decided
that this is really not the best idea.

We store spinning rust (aka Hard disks) in a water-proof fire-proof
safe which is reckoned to survive > 2 hours in a fire.

we offline a disk from an active mirrored pool, physically remove it,
then "replace" it with a fresh disk, storing the physical in the safe.

The cost per Megabyte, the access speed, and the reliability of this
system, for us at least, made significant sense.

Especially with the use of snapshots and instant access; We won't go
back to tape, not under any circumstances.

Jon

PS. we have experience of extracting information from tape over 12
years old ... You'll also need to be aware that zfs send doesn't
understand end-of-tape ... you'll need to use cpio or similar.

On 15 March 2013 21:16, Achim Wolpers <achimwo7 at googlemail.com> wrote:
> Hi!
>
> I considere to backup my data on a tape drive off my OI box. Now I face a couple of questions:
>
> 1. Which drive is recommended to work with OI? I'd like to use 800GB tapes
> 2. Since I plan to use the tapes for long time backup, is the a way to store the data with some kind of redundancy (like  RAID-Z), so that when parts of the tape might get corrupted over time, the data can still be restored?
>
> Thanks,
> Achim
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