Author: "WEAVER, Simon \(external\)" <simon.weaver AT astrium.eads DOT net>
Date: Mon, 03 Nov 2008 02:26:05 -0500
Rarely clean the drives myself (LTO3) - Only if I start to get Media Related errors or possible write errors on a specific drive. I always understood that too much "over cleaning" was more harm than
I have my library set up to do the cleaning. When the tape drive says it needs it the library does the cleaning. Too much cleaning will scrub the drive heads and give you more errors, or have to repl
Author: Justin Piszcz <jpiszcz AT lucidpixels DOT com>
Date: Mon, 13 Oct 2008 06:37:21 -0400 (EDT)
Quick poll, While various errata state the cleaning tape usage count can be as high as 50, others state 25. Currently we use Sun Universal Cleaning tapes (CLNUXXCU) where XX = a number. How many time
Surely that depends on the media and the drive. What media are you talking about? For instance, I know a lot of LTO media say "up to" because it depends on the drive as to how it's used. I looked thi
Author: Justin Piszcz <jpiszcz AT lucidpixels DOT com>
Date: Mon, 13 Oct 2008 16:54:22 -0400 (EDT)
LTO-2, LTO-3 and LTO-4. Also I've read / heard its best to let LTO-3 LTO-4 drives set the tape alert flag when they need cleaning vs. cleaning drives at intervals (which is recommended for sure with
I'm not sure which you're saying is recommended for LTO-2. As far as I'm aware, periodic cleaning is not recommended for any model of LTO drive. This is documented for HP and IBM drives: HP Should I
Author: Justin Piszcz <jpiszcz AT lucidpixels DOT com>
Date: Mon, 13 Oct 2008 18:10:14 -0400 (EDT)
Very nice information/description, thanks! Justin. _______________________________________________ Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu http://mailman.eng.auburn.edu/mailman
IBM LTO3 and LTO4 requires cleaning every 16 TB of data. stefanos --Original Message-- From: veritas-bu-bounces AT mailman.eng.auburn DOT edu [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu]
Author: "Curtis Preston" <cpreston AT glasshouse DOT com>
Date: Sat, 25 Oct 2008 12:23:53 -0400
That would be every couple of days in a few shops. Where did you read that? My understanding was what the previous folks said, that it was an on-demand thing. Curtis Preston | VP Data Protection
Author: Justin Piszcz <jpiszcz AT lucidpixels DOT com>
Date: Sat, 25 Oct 2008 12:51:00 -0400 (EDT)
I'd be curious as well.. I've heard cleaning based on tape length (meters of tape that pass through the heads) but never on data written, what if it was 16TiB of data written over 1 year? Or written
Author: oersted <netbackup-forum AT backupcentral DOT com>
Date: Sun, 26 Oct 2008 01:53:28 -0400
okay, so it goes like this...... tape drive costs $10K cleaning tape $75 use it half the amount of times they say to use it and you're always safe and who cares? at this point , you're navel gazing n