On the LTO4 devclass it is ULTRIUM4C. On the LTO5 devclass it is ULTRIUM5C.
Q DRIVE shows that the LTO-5 drives can both read and write the format ULTRIUM4C. Roger Deschner University of Illinois at Chicago [email protected] On Tue, 12 Jun 2012, Remco Post wrote: >check the format= option on your device class... > >On 12 jun. 2012, at 08:02, Roger Deschner wrote: > >> We have a tape library (Oracle/Sun/STK SL500) which contains both LTO-4 >> and LTO-5 drives, and both LTO-4 and LTO-5 media. I am trying to keep >> TSM from mounting an LTO-4 cartridge in an LTO-5 drive, but it is >> insisting on doing it anyway. >> >> We have 4 LTO-4 drives and 3 LTO-5 drives. The mount limits for the two >> devclasses are set accordingly - to 4 for the LTO-4 devclass and 3 for >> the LTO-5 devclass. When a request to mount an LTO-4 cartridge comes, it >> seems to use any of the 7 drives, regardless of whether it is an LTO-4 >> or LTO-5 drive. Therefore some tape mounts for LTO-5 cartridges are >> failing or being delayed due to there being no available LTO-5 drives >> when some of them are occupied by LTO-4 tapes. This is despite the claim >> in the section of the TSM Administrator's Guide for AIX servers titled >> "Mount limits in LTO mixed-media environments" (on book page 221 / >> physical page 249 in TSM V6.2 for AIX, or book page 198 / physical page >> 232 at V6.3) that setting the mountlimit to the actual number of >> earlier-generation drives will prevent the use of later-generation >> drives for the earlier-generation devclass. >> >> BTW, this is a library manager configuration, which may complicate >> things. The devclass definititions do match on the library manager and >> both of its library clients. The library manager is at 6.2.2.30, and its >> two clients are at 5.5.6.0 and 6.2.2.30. >> >> So, the question is, how do I prevent LTO-4 cartridges from being >> mounted in LTO-5 drives? I would prefer not to use the hardware library >> partitioning feature, which has its own set of hassles. >> >> Roger Deschner University of Illinois at Chicago [email protected] >> ==== "NO OVERNIGHT CAMPING AUTOMATIC SPRINKLER SYSTEM IN OPERATION" ==== >> ==== --sign, I-70 rest area, Parachute, Colorado ======================= > >-- >Met vriendelijke groeten/Kind Regards, > >Remco Post >[email protected] >+31 6 248 21 622 >
