On Sun, May 22, 2005 at 04:27:25PM +0200, Vlad Popa wrote:
> Hi !
>
> As you all veterans of the list know I am using the vtape file-to-disk
> tape driver and a ftp share mounted as file system by lufs. I am using
> the chg-disk virtual changer.
Good to mention in new threads as my little gray cells don't retain much.
>
> tapesize is enough, even so is the holding disk. The backup gets
> completely dumped to the holding disk but some parts of the DLE are
> omitted because of timeouts and a temporary very sluggish ftp access.
> (I'll include the amreport below .)
>
> My question is:
> Are there any possibilities to advise amanda to retry flushing (to the
> same tape ..) (as when I start flushing by hand next day I get the
Same tape, partially successful, absolutely not.
Same tape where nothing got on to it, manipulate the tapelist
manually, or maybe with amadmin.
> report it succeeds more than most of the time) ? I have doubled the
> timeout parameter given in the example amanda.conf without a consequence
> . I do assume, that my ftp connection transfer rate at 1st is fast and
> the ETA amanda gets is wrong because the transfer rate drops during the
> data flush ( might be a ftp characteristic "start with maximum
> availlable and throttle down to a reasonable rate"). Amanda times out (@
> Jon, you were right !)
>
> Does a speed parameter set in amanda.conf (to 50 Kbytes ) have affect
> on the data transfer rate when using tape-type Hard-disk or will it be
> ignored ? My last manual amflush transfer report showed me " ...
> Avg Tp Write Rate ( k/s) 67.8 121.0 66.4 ..." (prev. and last lines
> omitted) and was successfull.
>
To the best of my knowledge, the timeouts and network usage only deal
with dumping, not taping/flushing. The tape speed in the tapetype
stanza is information the admin might have gotten from amtapetype,
but is not used by amanda.
--
Jon H. LaBadie jon AT jgcomp DOT com
JG Computing
4455 Province Line Road (609) 252-0159
Princeton, NJ 08540-4322 (609) 683-7220 (fax)
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