> John -- I'd be grateful for your comments on how best to do a dd based > read and write test for LTO3 and LTO4 tapes. This seems like a fairly > good way of narrowing down a drive or interconnect problem. > > Is something like the following correct? > > mt -f /dev/nst0 rewind > dd if=/dev/sd<x> of=/dev/nst0 bs=64512 count=10000 # about 300GB > mt -f /dev/nst0 rewind > dd if=/dev/nst0 of=/dev/null bs=64512 >
Looks fine to me. Its good that you are testing with data from a source other than zeros so you are writing realistic data to the tape. John ------------------------------------------------------------------------------ Free Software Download: Index, Search & Analyze Logs and other IT data in Real-Time with Splunk. Collect, index and harness all the fast moving IT data generated by your applications, servers and devices whether physical, virtual or in the cloud. Deliver compliance at lower cost and gain new business insights. http://p.sf.net/sfu/splunk-dev2dev _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users