[Bacula-users] Is it safe to run 2 concurrent jobs on a tape drive?

2010-10-06 Thread Uwe Schuerkamp
Hi folks,

I have an HP 1/8 autoloader lto4 drive which we use for full offline
backups and was wondering wether it's safe to run 2 concurrent jobs on
that device at the same time? Despooling sadly isn't possible at the
moment for lack of disk space, bacula version is 5.0.3 on CentOS
(compiled from source).

All the best  TIA for your comments, 

Uwe 


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Re: [Bacula-users] Is it safe to run 2 concurrent jobs on a tape drive?

2010-10-06 Thread Phil Stracchino
On 10/06/10 03:53, Uwe Schuerkamp wrote:
 Hi folks,
 
 I have an HP 1/8 autoloader lto4 drive which we use for full offline
 backups and was wondering wether it's safe to run 2 concurrent jobs on
 that device at the same time? Despooling sadly isn't possible at the
 moment for lack of disk space, bacula version is 5.0.3 on CentOS
 (compiled from source).

Uwe, if I run eight concurrent jobs on an LTO2, I'm sure you can run two
on an LTO4 without any problems.


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Re: [Bacula-users] Is it safe to run 2 concurrent jobs on a tape drive?

2010-10-06 Thread John Drescher
 I have an HP 1/8 autoloader lto4 drive which we use for full offline
 backups and was wondering wether it's safe to run 2 concurrent jobs on
 that device at the same time? Despooling sadly isn't possible at the
 moment for lack of disk space, bacula version is 5.0.3 on CentOS
 (compiled from source).


How about using a small spool file? I run 5GB spool files and multiple
simultaneous jobs to my LTO2 autochanger.

John

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Re: [Bacula-users] Is it safe to run 2 concurrent jobs on a tape drive?

2010-10-06 Thread Uwe Schuerkamp

On Wed, Oct 06, 2010 at 08:55:27AM -0400, John Drescher wrote:
  I have an HP 1/8 autoloader lto4 drive which we use for full offline
  backups and was wondering wether it's safe to run 2 concurrent jobs on
  that device at the same time? Despooling sadly isn't possible at the
  moment for lack of disk space, bacula version is 5.0.3 on CentOS
  (compiled from source).
 
 
 How about using a small spool file? I run 5GB spool files and multiple
 simultaneous jobs to my LTO2 autochanger.
 
 John

Hi John, thanks for the suggestion, I'll look into it! 

Uwe 

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