On February 24, 2007 6:41 PM Dan Langille wrote: > > On 24 Feb 2007 at 17:58, Rex Wheeler wrote: > > > Does anyone know if bacula keeps track of tape soft errors? (Soft errors > > being correctable errors that were corrected by the tape drive > > hardware.) > > Bacula does not keep track of this.
Not what I wanted to hear, but thanks for the response. > > I took a look at the bacula table structure and there is a VolErrors > > column in the Media table. I glanced at the source code and it seems the > > column is related to higher level problems then tape soft errors. > > > > Does anyone know what kind of errors that the "VolErrors" column totals? > > See http://www.bacula.org/developers/Catalog_Services.html > > Number of errors during Job > I saw that page; I was actually wondering if there was a more formal definition of what an "error" was. Specifically, are error counts here considered related to the media (the media's fault) or errors that just happened to occur to a backup job while the media was mounted? > You might want to look at how I test tapes (when I get second hand > tapes). > > http://www.freebsddiary.org/tape-testing.php > > Of note is the script that pulls back corrected errors per GB. That > is at: > > http://www.freebsddiary.org/samples/dlt > > The script is FreeBSD specific, but I know one person who has taken > it and converted it for use by another OS. Each OS may have its own > method for querying the hardware. It looks like your script uses a utility called "camcontrol" to send SCSI commands. I poked around and found that the sg_logs utility (from the sg3-utils package) can provide similar statistics on linux with something like "sg_logs -a /dev/st0". Before I hack this out, has anyone here already converted this script or have a test utility to determine tape soft error rate? Thanks, Rex ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
