🚀 go-pugleaf

Jonathan Buzzard <jonathan@uk.me.buzzard> writes:

>On Mon, 11 Apr 2005 23:00:41 +0000, Colin B. wrote:

>> First of all, consider this: The DLT8000 manufacturing was stopped about
>> a year ago. The DLT7000 sometime before that. These are seriously obsolete
>> drives.

>And probably not available for purchase.

It is rare to see new DLT-7000's around - I know that already.

>> We've migrated from DLT700 and DLT8000 to LTO2. We found that the DLT7000
>> was flakey, with at least one drive failing every month (out of 16 total).
>> The DLT-8000 was decidedly better, but still failed more than expected.
>> Curiously, we didn't have a lot of read errors with either media, but we
>> also treated it fairly delicately.

>What on earth where you doing to those DLT drives? I used a DLT7000
>autochanger (HP 718) for two years doing full backups five times a week,
>and never suffered a single problem. In fact I have only ever had a
>DLT4000 drive give up the ghost on me and it was seriously old. I still
>use a DLT7000 drive at home for doing backups without problems.

I've seen similar reports from backup installations that were designed
properly. I guess in multi-terrabyte backup situations where you have
robotic backup machines that take up entire rooms, drive failures will be a
frequent occurence, which is why those devices would have many drives
installed to cover for failures up to a certain tolerance.

My situation is nothing like that - a handful of systems running 24/7 which
need reliable, local data backup managed with, most likely, Amanda. These
systems are not part of any commercial operation so I am not locked into
using proprietry backup management software if I don't want to.

Regards,

Craig.
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