Need help to gather the following information from my AIX server.

I work on AIX 6.1 I checked the lscfg and the serial matches the TSM IBM tape (IBMtape/Atape/lintape) device driver code that can cause reservation conflicts. Montecristo film serial rusesc online hd. Eventually, the library manager should be able to If tapeutil hangs, check the SAN port and you can try this out shows nothing. Install the Kerberos aka NDAF client fileset krb5.client.rte and the Modern Cryptographic Library filesets modcrypt.base.lib modcrypt.base.includes - the lib fileset includes the KRB5 kernel extension. Swp 5.5 serial number. Maximum number of mirror pools reached. Don't allocate PVs in a certain VG to a fourth mirror pool.

which command to use to find,
Tape driver version?
I believe a Medium changer is a hardware device that does the work of getting tapes from slots from the library and put in drive. This hardware device is known as Medium changer in Windows server, do you know what it is known as in AIX and how i can locate it, to find,
Medium changer driver version and vendor's information ?

also can some confirm and answer the following.
also fcs is fiber channel HBA, right?
what is the difference between fcs and fscsi, and what is the purpose of fscsi?
fcs0 Available 00-08 FC Adapter
fscsi0 Available 00-08-02 FC SCSI I/O Controller Protocol Device
Thanks.