Re: chunksize
2003-10-24 06:59:00
On Friday 24 October 2003 00:22, Frank Smith wrote:
>--On Thursday, October 23, 2003 21:06:36 -0700 Paul Yeatman
<pyeatman AT ucsd DOT edu> wrote:
>>> Chunksize was originally a workaround for some filesystems file
>>> size limitations. When in use, the ONLY place it effects is the
>>> holding disk by breaking up a huge 30 gig total filesystem into
>>> files that it can handle in say, 2 gig hunks. These files are
>>> merged into one big file on the tape itself, and all chunks must
>>> be completed for a given filesystem before the transfer to the
>>> tape begins. And all chunks must have been written to the tape
>>> before any chunks are deleted from the holding disk.
>>
>> Thanks for the reply. Is there any such setting then that would
>> perform what I was once was lead to believe chunksize could
>> control, ie. specifying a file size over which a backup file
>> should be written directly to tape, bypassing the holding disk?
>
>For the filesystems you want to go directly to tape, use a dumptype
>that specifies 'holdingdisk no'.
> I'm not sure why you would want to not use a holdingdisk (unless
>you are using the FILE driver), it is generally more efficient to
> use one.
>
>Frank
Thanks for the reminder Frank. I shouldn't post before my first
caffiene infusion I guess.
>> --
>> Paul Yeatman (858) 534-9896 pyeatman AT ucsd DOT edu
>> ==================================
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--
Cheers, Gene
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Copyright 2003 by Maurice Eugene Heskett, all rights reserved.
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