Sue,
Only one guest can use a given drive on a given path (I think you can get
around this if you're using NPIV on a z9). For example, I share six drives
between two TSM servers, using CHPIDs D0 and D1 (alternating for load
balancing purposes).
q all att servera
FCP 4C01 ATTACHED TO SERVERA 0C91 CHPID D0
FCP 4C03 ATTACHED TO SERVERA 0C93 CHPID D0
FCP 4C05 ATTACHED TO SERVERA 0C95 CHPID D0
FCP 4D00 ATTACHED TO SERVERA 0C90 CHPID D1
FCP 4D02 ATTACHED TO SERVERA 0C92 CHPID D1
FCP 4D04 ATTACHED TO SERVERA 0C94 CHPID D1
Ready; T=0.01/0.01 15:53:10
q all att serverb
FCP 4C00 ATTACHED TO SERVERB 0C90 CHPID D0
FCP 4C02 ATTACHED TO SERVERB 0C92 CHPID D0
FCP 4C04 ATTACHED TO SERVERB 0C94 CHPID D0
FCP 4D01 ATTACHED TO SERVERB 0C91 CHPID D1
FCP 4D03 ATTACHED TO SERVERB 0C93 CHPID D1
FCP 4D05 ATTACHED TO SERVERB 0C95 CHPID D1
Ready; T=0.01/0.01 15:53:10
Mark Wheeler, 3M Company
Sue Sivets
<[EMAIL PROTECTED]
ation.com> To
Sent by: Linux on [email protected]
390 Port cc
<[EMAIL PROTECTED]
IST.EDU> Subject
Sharing zfcp tapes
01/26/2007 03:32
PM
Please respond to
Linux on 390 Port
<[EMAIL PROTECTED]
IST.EDU>
I have 3 fcp tape devices defined to a Suse 9 and a Suse 10 system
running under VM. As far as I can tell, it looks like whichever system
is booted first grabs the tapes, and the system booted second writes a
message saying the tapes are already in use in lpar4. Lpar 4 is the VM
lpar. If I issue a lsscsi command to both systems, they will both
display info about the fcp dasd (also shared), but only one system will
display info about the tapes. Is there any way to have the tapes mounted
on both systems at the same time? If yes, what do I need to do? I don't
mean in use at the same time, just mounted. I don't have a lot of users
logged on to either system at any given time, and even then they're
likely to be logged on to only one of the systems at a time, while the
other systems sit idle until someone needs to test something. If it
makes any difference the tapes in question are 2 STK drives and 1 IBM
3592 drive, with the Total Storage driver installed.
Thanks
Sue
--
Suzanne Sivets
Systems Programmer
Innovation Data Processing
275 Paterson Ave
Little Falls, NJ 07424-1658
973-890-7300
Fax 973-890-7147
[EMAIL PROTECTED]
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