Backup devices

[Iain Stevenson]

Unreliability was the issue.  I bought a Travan NS20 and I spent over a 
year trying to get it to work reliably.  I have tried the internal SCSI 
bus, 2 SCSI cards and just about every Linux backup program out there. 
Only afbackup came anywhere near to working.  I get medium errors reported 
- though never in the same place twice.  I have tried the tape on two 
machines ... Of course, the drive may be faulty but I can't prove this and 
the supplier does not support Linux.

  Iain



--On Monday, June 3, 2002 3:02 pm -0700 bronto <bronto@csd-bes.net> wrote:

> Why have you given up on tape?
>
>
>> I guess this RAID may work too - http://linux-ide.org/chipsets.html
>> - although I wouldn't
>> want to be a pioneer ;-)
>>
>> I quite liked Graham's suggestion of using a DVD-RW - has anyone
>> experience with one that works?  I've given up on tape.
>>
>>  Iain
>>
>>
>> --On Monday, June 3, 2002 11:54 am -0500 Robert Brandtjen
>> <rob@prometheusmedia.com> wrote:
>>
>>> On Monday 03 June 2002 10:33 am, Iain Stevenson wrote:
>>>> That doesn't protect against the situation where rubbish gets written
>>>> to the RAID array - you may want to go back to an offline copy
>>>> pre-dating the problem.
>>>
>>> yep, I know, incremental back-ups are deriguer- however, he needs on
>>> site storage while he offloads to a remote site, AFAIK, the Promise IDE
>>> raid drivers are in the stock Linux Kernels as of 2.4.18 or so, I would
>>> expect (maybe?) they are in the PPC versions as well.
>>>
>>> depending on his pipe, it could take hours and or days to do a full
>>> back-up, a  local back-up holding the data on a mirrored raid is cheap
>>> insurance - 80 gig  Seagate cudas are on sale for 110.00 over the net
>>> right now.
>>>
>>> Standard practice, for those who can, is Raid Level 5 with incremental
>>> daily  back-ups to tape, followed by a monthly complete back-up to tape.
>>> Also, one  should make a separate snapshot (if customized install) - a
>>> sort of "frozen  known state"
>>> --
>>>  Robert Brandtjen
>>>  --------------------------------------
>>>  Web Site Creation and Hosting Services
>>>  Hostmaster@prometheusmedia.com
>>>  www.prometheusmedia.com
>>>
>>>
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