Re: [Bacula-users] Concurrent spooling and despooling
2010-02-16 10:01:02
>>>>> On Tue, 16 Feb 2010 12:30:44 +0100, Arno Lehmann said:
>
> Hi,
>
> 16.02.2010 11:50, Daniel Kamm wrote:
> > That's maybe a stupid question, but I really wonder...
> >
> > Using Disk Spooling prior to write data to tape, heads in a sequential
> > write order:
> > a) write data from backup client to disk spool directory
> > b) write data from spool directory to tape
> >
> > Why are those tasks done sequentially?
>
> I know those three reasons:
> - simultaneously spooling and despooling increases the requirements of
> your spool space storage system even more
> - it's never been implemented
> - it's probably harder to implement than it looks at first.
It will also put considerably more strain on the I/O subsystem of the space
space.
__Martin
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