Re: [Bacula-users] tape size speed LTO-1 drive

2009-12-03 Thread Arno Lehmann
Hello, 03.12.2009 07:08, Jens Froehlich wrote: Arno Lehmann schrieb: ... Looks all very good. I would try dd'ing some random data to tape next. Running sar or, at least, vmstat and top during testing and a slow backup might reveal some unexpected bottlenecks. Also, it's important to

Re: [Bacula-users] tape size speed LTO-1 drive

2009-12-02 Thread Arno Lehmann
Hello, 02.12.2009 07:23, Jens Froehlich wrote: Arno Lehmann schrieb: Hello, and welcome! 30.11.2009 13:21, Jens Froehlich wrote: Hi bacula-users, I has a problem with my Bacula (3.0.2) installation on OpenSuSE 11.1 (32Bit). The LTO-1 tapes are described only a half, nevertheless, it

Re: [Bacula-users] tape size speed LTO-1 drive

2009-12-02 Thread Jens Froehlich
Arno Lehmann schrieb: ... Looks all very good. I would try dd'ing some random data to tape next. Running sar or, at least, vmstat and top during testing and a slow backup might reveal some unexpected bottlenecks. Also, it's important to see where the backups are slow - for example,

Re: [Bacula-users] tape size speed LTO-1 drive

2009-12-01 Thread James Harper
Tape Capacity: As you have seen LTO-1 tapes have an uncompressed capacity of 100GB, due to bacula overhead, you should see no less then slightly under the 100GB on each cartrage. I seem to remember that 50/100 and 100/200 (uncompressed/compressed) capacity tapes were available for

Re: [Bacula-users] tape size speed LTO-1 drive

2009-12-01 Thread Jens Froehlich
Arno Lehmann schrieb: Hello, and welcome! 30.11.2009 13:21, Jens Froehlich wrote: Hi bacula-users, I has a problem with my Bacula (3.0.2) installation on OpenSuSE 11.1 (32Bit). The LTO-1 tapes are described only a half, nevertheless, it should fit 100 GB on it? Depending on the

[Bacula-users] tape size speed LTO-1 drive

2009-11-30 Thread Jens Froehlich
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi bacula-users, I has a problem with my Bacula (3.0.2) installation on OpenSuSE 11.1 (32Bit). The LTO-1 tapes are described only a half, nevertheless, it should fit 100 GB on it? I already succeed different values of the parametres minimum block

Re: [Bacula-users] tape size speed LTO-1 drive

2009-11-30 Thread John Drescher
On Mon, Nov 30, 2009 at 7:21 AM, Jens Froehlich jens.froehl...@medav.de wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi bacula-users, I has a problem with my Bacula (3.0.2) installation on OpenSuSE 11.1 (32Bit). The LTO-1 tapes are described only a half, nevertheless, it should fit

Re: [Bacula-users] tape size speed LTO-1 drive

2009-11-30 Thread Jens Froehlich
John Drescher schrieb: On Mon, Nov 30, 2009 at 7:21 AM, Jens Froehlich jens.froehl...@medav.de wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi bacula-users, I has a problem with my Bacula (3.0.2) installation on OpenSuSE 11.1 (32Bit). The LTO-1 tapes are described only a half,

Re: [Bacula-users] tape size speed LTO-1 drive

2009-11-30 Thread Arno Lehmann
Hello, and welcome! 30.11.2009 13:21, Jens Froehlich wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi bacula-users, I has a problem with my Bacula (3.0.2) installation on OpenSuSE 11.1 (32Bit). The LTO-1 tapes are described only a half, nevertheless, it should fit 100 GB on it?

Re: [Bacula-users] tape size speed LTO-1 drive

2009-11-30 Thread Edward M. Markowski
Hi and welcome. I'm also new to using Bacula, but hopefully can offer some usefull info :-) Tape Capacity: As you have seen LTO-1 tapes have an uncompressed capacity of 100GB, due to bacula overhead, you should see no less then slightly under the 100GB on each cartrage. I have seen

Re: [Bacula-users] tape size speed LTO-1 drive

2009-11-30 Thread John Drescher
   While 6MB/s is slow for LTO-1, one of the biggest things that I have seen affect throughput is the rate that the data can be pulled from the source disks. I have a scsi driver initialization problem that causes me domain validation problems that ends up setting the scsi bus in the lowest