Re: Practical maximums (was Re: PostgreSQL theoretical

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Richard Broersma Jr wrote:
>> Say we have a 7GB database. Is there a way to way to use 2 tape
>> drives... Argh, I guess not, since the Unix pipe mentality presumes
>> that the mode of operation will be:
>> $ pg_dump /some/database | tar cvfz /dev/st0/db.tgz
>>
>> What would be darned useful (but only, I think, with heavy usage of
>> tablespaces) is:
>> $ pg_tapedump /some/database /dev/st0,/dev/st1,/dev/st2,/dev/st3
>
> Would passing the --multi-volume option be useful to you?
>
> http://www.apl.jhu.edu/Misc/Unix-info/tar/tar_97.html

Mostly no, because it serializes access. Fill up one tape, go to
the next, then the 3rd, etc.

- --
Ron Johnson, Jr.
Jefferson LA USA

Is "common sense" really valid?
For example, it is "common sense" to white-power racists that
whites are superior to blacks, and that those with brown skins
are mud people.
However, that "common sense" is obviously wrong.
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