On Tue, Jun 7, 2011 at 2:04 PM, Rory Campbell-Lange <r...@campbell-lange.net> wrote: > On 07/06/11, Phil Stracchino (ala...@metrocast.net) wrote: >> On 06/07/11 12:14, Rory Campbell-Lange wrote: >> > Does deleting the job remove the data (in this case the data for job >> > 329) off the tape? That is what I need to do. >> >> No, it doesn't. But you've already said you weren't planning to append >> anything else to that tape ... right? As long as the data is copied to >> where it should be, and logically (at least) purged from that tape, does >> it matter? Will the tape take up more space in the library because the >> end of the tape has been written once with now-discarded data? Do the >> extra 1 bits make the tape heavier? >> >> If it's really, really important to you that no trace of job 329 remain >> on that tape, then you need to migrate both job 315 AND job 329 to new >> media, then purge the old media, manually erase it from beginning to end >> with something like mt, and then relabel it. But if it's really that >> important to you that no trace of data from one job ever remain on a >> tape used by another, then you need to be erasing and relabelling your >> tapes between EVERY use.[1] I'm going to go out on a limb here and >> guess that you probably don't actually want or need to be doing that. > > We provide different tape sets to different companies. It would be > pretty embarassing if sometime in the future someone reconstructed the > catalogue and found another company's confidential data on it. > > Looks like I will need to zero some tapes. >
I would fill the tape with garbage data to be sure. Remember writhing zeros is not very effective since that should compress very well. > 10 to 1. John ------------------------------------------------------------------------------ EditLive Enterprise is the world's most technically advanced content authoring tool. Experience the power of Track Changes, Inline Image Editing and ensure content is compliant with Accessibility Checking. http://p.sf.net/sfu/ephox-dev2dev _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users