On Wed, Apr 20, 2011 at 9:22 AM, Paul Mather <p...@gromit.dlib.vt.edu> wrote: > On Apr 20, 2011, at 10:17 AM, Jason Voorhees wrote: > >> Hi people: >> >> I'm running Bacula 5.0.3 with an tape library IBM TS3100 using LTO5 >> tapes of 1.5 TB capacity each one. I have a simple question: If I run >> a job backup of a server that holds more than 1.5 TB (example: 2 TB of >> data), what happen when Bacula reaches the limit of the tape capacity? >> Does Bacula automatically change the tape? >> >> I'm not pretty sure about this because I recently ran a job backup of >> 2 TB and Bacula apparently just used one tape: have a look at my >> volume listing: >> >> * list volume >> ... >> ... >> | 5 | L5BA0005 | Append | 1 | 2,058,019,117,056 | >> 2,059 | 2,160,000 | 1 | 5 | 1 | LTO-5 | >> 2011-04-19 20:58:51 | >> +---------+------------+-----------+---------+-------------------+----------+--------------+---------+------+-----------+-----------+---------------------+ >> >> When the job started Bacula took the tape L5BA0005 and never required >> another one. As you can see Bacula apparently wrote 2,058,019,117,056 >> bytes (approx. 2 TB) but my tape is just 1.5 TB capacity. Does anybody >> know why? My job isn't using compression so I really don't understand >> this. > > > The job may not be using compression but the tape drive itself may have > compression enabled, which could account for being able to write 2 TB to the > LTO-5 tape. > > (The 1.5 TB capacity is the native capacity of an LTO-5 tape without hardware > compression enabled.) > > Cheers, > > Paul. > >
Hi, excuse me if I'm a newbie on this but, how and where can I verify if hardware compression is enabled? It would be on the web administration of my tape library? Thanks ------------------------------------------------------------------------------ Benefiting from Server Virtualization: Beyond Initial Workload Consolidation -- Increasing the use of server virtualization is a top priority.Virtualization can reduce costs, simplify management, and improve application availability and disaster protection. Learn more about boosting the value of server virtualization. http://p.sf.net/sfu/vmware-sfdev2dev _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
