Re: [Bacula-users] DDS-4

2006-11-10 Thread Arno Lehmann 
Hi,

On 11/2/2006 4:04 PM, weyerma wrote:
 hi all,
 
 i have a prblem with my dds-4 drive.
 all tapes are only written to 20gb (uncompressed) and the tape fills.
 how can i turn the compression on, to fill all tapes up to 40gb ?

Do you want hardware- or software compression?

Arno

 my config:
 
 Device {
 Name = Autochanger
 Media Type = DDS-4
 Archive Device = /dev/st0
 Changer Device = /dev/sg1
 Changer Command = /var/lib/bacula/mtx-changer %c %o %S %a %d
 AutoChanger = yes;
 AutomaticMount = yes;   # when device opened, read it
 AlwaysOpen = yes;
 LabelMedia = yes;
 RemovableMedia = yes;
 }
 
 
 
 thanks for help
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Re: [Bacula-users] DDS-4

2006-11-10 Thread John Drescher 
On 11/2/06, weyerma [EMAIL PROTECTED] wrote:
hi all,i have a prblem with my dds-4 drive.all tapes are only written to 20gb (uncompressed) and the tape fills.how can i turn the compression on, to fill all tapes up to 40gb ?Are you 100% sure that your data is compressible as you will not get any extra compression on already compressed files or random data? 
You can see if hardware compression is turned on by the use of the mt and I believe tapeinfo commands from the shell.John
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[Bacula-users] DDS-4

2006-11-08 Thread weyerma 
hi all,

i have a prblem with my dds-4 drive.
all tapes are only written to 20gb (uncompressed) and the tape fills.
how can i turn the compression on, to fill all tapes up to 40gb ?

my config:

Device {
Name = Autochanger
Media Type = DDS-4
Archive Device = /dev/st0
Changer Device = /dev/sg1
Changer Command = /var/lib/bacula/mtx-changer %c %o %S %a %d
AutoChanger = yes;
AutomaticMount = yes;   # when device opened, read it
AlwaysOpen = yes;
LabelMedia = yes;
RemovableMedia = yes;
}



thanks for help
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[Bacula-users] DDS-4 Tape Low Capacity

2006-03-17 Thread Nicole King 








Dear All,



I hope someone can shed some light on this.



I have a Seagate DDS-4 drive (Osprey I think). I have TDK
catridges that claim to be 20/40GB (I guess the upper figure is with hardware
data compression). However, in use with Bacula and also when used with fill
on btape, I get a maximum of about 1,200,000,000 bytes written on each tape
before it reckons the tape is full. I was expecting to get about 20 times as
much data on a tape.



Has anyone any ideas?



Many thanks



Catsmuvva (aka Nicole)

[Bacula-users] RE: [Bacula-users] DDS-4 Tape Low Capacity

2006-03-17 Thread Jens R . Victorin 
Check if you have a Maximum Volume Bytes directive in your DIR.conf file or a 
Maximum Volume Size directive in your SD.conf file limiting the amount of 
data written to tape.

/Jens

 Dear All,
 
  
 
 I hope someone can shed some light on this.
 
  
 
 I have a Seagate DDS-4 drive (Osprey I think). I have TDK catridges that
 claim to be 20/40GB (I guess the upper figure is with hardware data
 compression). However, in use with Bacula and also when used with fill on
 btape, I get a maximum of about 1,200,000,000 bytes written on each tape
 before it reckons the tape is full. I was expecting to get about 20 times as
 much data on a tape.
 
  
 
 Has anyone any ideas?
 
  
 
 Many thanks
 
  
 
 Catsmuvva (aka Nicole)
 
  
 
 



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