Re: [Bacula-users] LTO hardware compression ratio

2007-10-04 Thread Ralf Gross
Chris Howells schrieb: > My drive is using 0x46: Same here. > [EMAIL PROTECTED]:~# mt -f /dev/st0 status > SCSI 2 tape drive: > File number=51, block number=0, partition=0. > Tape block size 0 bytes. Density code 0x46 (no translation). > Soft error count since last status=0 > General status bits

Re: [Bacula-users] LTO hardware compression ratio

2007-10-03 Thread Ralf Gross
Chris Howells schrieb: > Hi Ralf, > > Ralf Gross wrote: > > I'm testing our new changer which is equipped with 2 LTO-4 drives. > > What should I expect from LTO's hw compression? I've seen LTO-3 tapes with > > 800+ GB data. Here are the volbytes number I got with LTO-4 so far. > > > > volbytes: >

Re: [Bacula-users] LTO hardware compression ratio

2007-10-03 Thread Ralf Gross
John Drescher schrieb: > > I'm testing our new changer which is equipped with 2 LTO-4 drives. > > What should I expect from LTO's hw compression? > On LTO2 and DLT I have seen between 1.1:1 to 2.5:1 but mostly between > 1.4:1 and 2:1. Ok. > > I've seen LTO-3 tapes with > > 800+ GB data. Here are

Re: [Bacula-users] LTO hardware compression ratio

2007-10-03 Thread John Drescher
> I'm testing our new changer which is equipped with 2 LTO-4 drives. > What should I expect from LTO's hw compression? On LTO2 and DLT I have seen between 1.1:1 to 2.5:1 but mostly between 1.4:1 and 2:1. > I've seen LTO-3 tapes with > 800+ GB data. Here are the volbytes number I got with LTO-4 so

Re: [Bacula-users] LTO hardware compression ratio

2007-10-03 Thread Chris Howells
Hi Ralf, Ralf Gross wrote: > I'm testing our new changer which is equipped with 2 LTO-4 drives. > What should I expect from LTO's hw compression? I've seen LTO-3 tapes with > 800+ GB data. Here are the volbytes number I got with LTO-4 so far. > > volbytes: > 1,164,080,268,288 > 1,138,440,038,400