I recently added connectivity to a Scalar i2000 with 4 LTO3 drives, to a 
Solaris 8 server.
I removed all the entries in /dev/rmt, reconfigure booted, went through 
the sg install process, yet the server does not have entries in /dev/rmt 
for the new drives.  The server is connected to two tape libraries: 
1-L700 with 6 9840 drives, 2-i2000 with 4 LTO3 drives.  The L700 drives 
continue to be present on the system and usable.
I've also tried devfsadm, drvconfig, tapes, etc...

Why don't the entries appear in /dev/rmt?

I've done the same process on multiple Solaris 10 servers, connected to 
the same SAN and they all work fine.

cfgadm -o show_FCP_dev -al
c8                             fc-fabric    connected    configured   unknown
c8::500308c00189780a,0         med-changer  connected    configured   unknown
c8::500308c00189780a,1         tape         connected    configured   unknown
c8::500308c00189780a,2         tape         connected    configured   unknown
c9                             fc-fabric    connected    configured   unknown
c9::500308c00189780b,0         med-changer  connected    configured   unknown
c9::500308c00189780b,3         tape         connected    configured   unknown
c9::500308c00189780b,4         tape         connected    configured   unknown

sgscan
/dev/sg/c0tw500308c00189780al0: Changer: "ADIC    Scalar i2000"
/dev/sg/c0tw500308c00189780al1: Tape (???): "IBM     ULTRIUM-TD3" 
/dev/sg/c0tw500308c00189780al2: Tape (???): "IBM     ULTRIUM-TD3" 
/dev/sg/c0tw500308c00189780bl0: Changer: "ADIC    Scalar i2000"
/dev/sg/c0tw500308c00189780bl3: Tape (???): "IBM     ULTRIUM-TD3" 
/dev/sg/c0tw500308c00189780bl4: Tape (???): "IBM     ULTRIUM-TD3"
/dev/sg/c0tw500104f000438becl0: (/dev/rmt/2): "STK     9840" 
/dev/sg/c0tw500104f00043e256l0: (/dev/rmt/0): "STK     9840" 
/dev/sg/c0tw500104f00045cbb4l0: (/dev/rmt/1): "STK     9840" 
/dev/sg/c1tw500104f000438e6el0: (/dev/rmt/3): "STK     9840" 
/dev/sg/c1tw500104f000438f10l0: (/dev/rmt/4): "STK     9840" 
/dev/sg/c1tw500104f000480658l0: (/dev/rmt/5): "STK     9840"  



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