Backup Solutions

Alex Maynard maynarda-dxuVLtCph9gsA/PxXw9srA at public.gmane.org
Fri Aug 31 14:22:50 UTC 2007


On Fri, 31 Aug 2007, Neil Watson wrote:

> On Fri, Aug 31, 2007 at 12:01:11AM -0400, Robert Brockway wrote:
>> It really depends.  Low end tape technologies are quite unreliable. There 
>> are even cases of tape head alignment problems that mean that the tape can 
>> only be read on the tape drive that wrote them.  Too bad if you are doing a 
>> DR after the tape drive is destroyed along with several major systems 
>> (afterall it is sitting right next to them).
>
> I agree.  I would never recommend consumer grade tape drives.  Yes
> reliable tape drives do cost quite a bit.  I like to think of backup
> costs as insurance and keep that cost in mind when comparing tapes
> versus disks.

A back up to a disk or another computer is easily verified by looking at 
the files, especially if no compression is used. Is it equally easy to 
verify that the files are there on the tape backup or do you need to do
something like a test restore to double check?  This is something I was 
never sure about.

Alex

>
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> Neil Watson             | Debian Linux
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> http://watson-wilson.ca
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