Ok I'm confused then.  If you have a list of entries
in your list how do you tell amanda what entries go on
what tape if you have a autoloader?  Also will it just
prompt you to put another tape in if you are using a
single HP DAT drive?


--- Gene Heskett <gene.heskett AT verizon DOT net> wrote:
> On Sunday 16 November 2003 01:18, Danny Ybarra
> wrote:
> >I'm new to amanda but I read that amanda now spans
> >multiple tapes.  How do you set that up on a Dell
> 132T
> >LTO Autoloader?  I also want to use that feature on
> a
> >regular single HP DAT drive.
> >
> Amanda can use more than one tape, however it cannot
> span a single 
> disklist entry to two or more tapes.  Each disklist
> entry must be 
> smaller than 1 tape.
> 
> I'm watching amanda use 2 tapes here, and just saw
> it switch to the 
> next tape.  Unforch, the file it failed on was over
> half a tape, so 
> it wasted about 1.5 gigs in changing the tapes. 
> Looks like I'll need 
> to re-arrange that entry into 2 or 3 to make it into
> smaller pieces.
> I'm seeing, in the status reports, that amanda seems
> to be ignoreing 
> my dumporder "STSTSTST", as its often been seen to
> do a 70 meg DLE, a 
> 600Mb DLE, then a 2.1Gb DLE and a 1.1Gb DLE, in that
> order while 
> filling up a teeny 4Gb tape which wound up with:
> 
> dumped          :  12   7721415k   7503717k
> (102.90%) ( 22.21%)
> wait for writing:   8   3018755k   2801057k
> (107.77%) (  8.68%)
> wait to flush   :   0         0k         0k
> (100.00%) (  0.00%)
> writing to tape :   1   2296810k   2296810k
> (100.00%) (  6.61%)
> failed to tape  :   0         0k         0k ( 
> 0.00%) (  0.00%)
> taped           :   3   2405850k   2405850k
> (100.00%) (  6.92%)
>   tape 1        :   3   2405850k   2405850k
> DailySet1-28
>   tape 2        :   0         0k         0k
> DailySet1-01
> 
> which says I'll have to run a flush in the morning
> as its going to EOT 
> the second tape with quite a bit left in /dumps. 
> 3018755k+2296810k 
> will be about a 1.6Gb overflow, and my indice saver
> will fail with 
> EOT.
> 
> Suggested change to planner algorythm:  When
> runtapes is >1, juggle 
> the order to achieve a best fit within the tapetypes
> capacity as 
> entered in amanda.conf, overriding the 'dumporder'
> specified, setting 
> up a seperate list for each allowed tape.
> 
> And even greater modifcation would be to write that
> amount of data, 
> then change tapes even without hitting EOT, thereby
> saving the time 
> and wear on the drive it wastes in writing till EOT
> is encountered 
> before doing the tape change.  In this case it would
> have saved about 
> an 1 hr & 9 mins, or used that time to put about
> another gigabyte of 
> smaller DLE's on the first tape used tonight.
> 
> Just my $0.02.  That, and another buck, might get
> you a cuppa most 
> places :-)
> 
> -- 
> Cheers, Gene
> AMD K6-III@500mhz 320M
> Athlon1600XP@1400mhz  512M
> 99.27% setiathome rank, not too shabby for a WV
> hillbilly
> Yahoo.com attornies please note, additions to this
> message
> by Gene Heskett are:
> Copyright 2003 by Maurice Eugene Heskett, all rights
> reserved.
> 


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