[softwarelist] Re: SyncDiscs again

In article <85165d8e4e.tim@xxxxxxxxxxxxxxxxxxxxx>, Tim
Powys-Lybbe <tim@xxxxxxxxx> wrote:

[Snip]

> Yes and I remember once when a system at work used to do the
> backups while everyone was using their machines.  One or two
> files got into a muddle and we had to move to doing a
> non-multitasking backup after working hours.

I remember exactly the same when I was responsible for backups on
a Racal minicomputer system about 20 years ago.  The developers
using the system got very stroppy when my 30 minutes warning
message appeared on their terminal, until we had a major disc
crash and the nearly complete restoration of their work
demonstrated the point :-)

> I would be interested to hear if anyone has now found how to
> make reliable backups when file operations are still going on.

Me too.  How do RAID systems do it?


Brian.

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Brian Carroll, Ripon, North Yorkshire, UK  bric at f2s dot com
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