I'm not seeing anywhere close to 60M/s ( < 30 ). I think I just fixed that. I increased the block size to 1M, and that seemed to really increase the throughput, in the test I just did. I will see tomorrow, when it all runs.
You should not be seeing any errors. On 1/5/2010 1:30 PM, Tino Schwarze wrote: > On Tue, Jan 05, 2010 at 12:48:53PM -0500, John Drescher wrote: > > >>> It looks like btape is not happy. >>> >>> Error reading block: ERR=block.c:1008 Read zero bytes at 326:0 on device >>> "Superloader-Drive" (/dev/nst0). >>> >>> Are your tapes old (still good)? Did you clean the drive? Latest Firmware? >>> > > The drive requested cleaning just yesterday which I did. I'm not sure > how old the tape in question really is. I used a dell update utility and > it updated the drive to v2181 which seems to be the latest for a > half-height SCSI tape drive. 30MB/s seems a bit low to me - it should be > able to do 60MB/s per spec. Or is that just theory vs. real world? > > >> I would add are you using LTO3 tapes or LTO2 tapes? >> > They are labelled 400GB/800GB - all of the same kind, so they're > definitely LTO3. The autoloader says: "Drive Idle Gen 3 Data" in it's web > interface, so yes, I'm sure. > > I could check a very new tape tomorrow or try a shiny new one, just to > be sure. > > Thanks so far, > > Tino. > > ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
