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Can LTO5 FC tape drive work standalone without library if connected to server's HBA

Posted on 2013-01-06
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Last Modified: 2013-01-19
We bought wrongly 2 full height LTO5 FC drives & later swapped them
out & replaced with 4 half height LTO5 FC drives for an IBM TS3200
tape library

Can the 2 full tape drives be connected up directly (using LC-LC
cable) to a Windows server's HBA port for the drive to be used?  Or any
other things I'll need / configure to get it workable?
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Question by:sunhux
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8 Comments
 
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Accepted Solution

by:
andyalder earned 480 total points
ID: 38750179
Yes, HP and IBM LTO5s support arbitrated loop so can connect directly to a HBA. There are a few differences between library drives and stand-alone ones though, mainly down to things like spring strengths because a robot doesn't push buttons the same as a human. Shouldn't be a problem since it really means that stand-alone drives can't be used in libraries rather than vice-versa.
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Author Comment

by:sunhux
ID: 38750739
Excellent.

So if I have an Emulex HBA, I should set the port to "Loop" or
"F" port?  I tried connecting & HBAnywhere could detect the
speed (as 8Gbps).  Just that even after rebooting my Win 2008,
I still can't see "Tape drives" under "Device Manager"
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Author Comment

by:sunhux
ID: 38750742
and it's directly connection without going thru any FC switch
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Author Comment

by:sunhux
ID: 38750743
Just for my test server, so I'm not getting any tape library:
will be human operators manually inserting / ejecting tapes
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LVL 56

Expert Comment

by:andyalder
ID: 38750756
Port should be set to loop since you are not using a switch. Does HBAnyware see the tape drive?
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Author Comment

by:sunhux
ID: 38778001
HBAnyware only see it's connected & the server's HBA port's WWN.

Btw, "loop" means F-port or L-port or ...  in HBAnyware?
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LVL 56

Assisted Solution

by:andyalder
andyalder earned 480 total points
ID: 38778261
Should be L-port, F-port is a fabric port when there is a switch involved.

I would see if HP's library and tape tools sees it, then you'll know if it's a driver problem. L&TT ought to at least see an IBM drive although it won't be able to upgrade the firmware.
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LVL 56

Expert Comment

by:andyalder
ID: 38796386
did you resolve it not being seen?
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