Hi !

I am having troubles with an Optical Library attached to a TSM Server for AIX-RS/6000.

Problem Description :

Every time the server or an administrator defines a new optical volume ( private or 
scratch ), it is created by TSM with only 1 writable side despite the fact it is being 
used a two-sided 5.25-inch rewritable optical cartridge with both sides not 
write-protected and with its capacity fully recognized ( 5200MB ).  As a consequence 
of it, every time a volume reaches the 50% mark in its Pct. Util. the server issues 
the message ANR8462I ( End-of-Side reached for optical volume ) and then the whole 
transaction fails because according to the server there is no space available, that 
is, the server does not access the second side of the volume in order to complete the 
transaction ( backup or archive ).

- Why the server does not recognize as writable the second side of the cartridges used 
?
- On what other parameters the number of writable sides per volume depend, besides the 
device type configured ?
- What has to be done to make the server able to recognize as writable the second side 
of the volumes defined?

Problem Specifics :

Operating System    : AIX 4.3
System Model         : IBM,7025-F50
Server Type             : AIX-RS/6000
Server Version         : Tivoli Storage Manager 4.1.0.0
Library Type            : SCSI ( Automated Library ) with two drives.
Library Model          : Optical Library IBM 3995 C60
Device Type Used    : OPTICAL
Recording Format    : 5200MB
Media Used            : IBM Rewritable Optical Disk Cartridges ( P/N : 59H4786 )


Please, any clue about how to overcome such a problem will be greatly appreciated.

Any other info needed about the nature of problem will be immediately given.


Best Regards,

Hernando Ramirez Castilla
[EMAIL PROTECTED]

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