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Full Discussion: vio server ethernet to vio client ethernet(concepts confusing)
Operating Systems AIX vio server ethernet to vio client ethernet(concepts confusing) Post 302591367 by kah00na on Thursday 19th of January 2012 10:21:29 AM
Old 01-19-2012
I think this is the answer you are looking for...

You have to get your HMC involved because the vio server and your client LPAR can only see their own slot numbers for their adapters. I don't think either can see the other server's slot number, maybe they can but I'm not sure how.

Here is how it can be done though. In this example, slot 11 on the VIO server connects to slot C9 on the client.

Get the slot number of the vscsi0 from the client side using "lsslot -c slot":
Code:
client_lpar:/:$ lsslot -c slot | grep vscsi0
U8205.E6B.0110000-V1-C9   Virtual I/O Slot  vscsi0
client_lpar:/:$

Assuming your managed system's name is "MANAGEDSYSTEM", query your HMC with the 'lshwres' command and grep out your client LPAR's hostname and slot number. From this command you'll see the client slot to VIO slot association (make sure to put the comma inside the double-quotes of the grep):
Code:
client_lpar:/:$ ssh -q hscroot@hmchostname lshwres -r virtualio -m MANAGEDSYSTEM --rsubtype scsi --level lpar | grep "lpar_name=client_lpar," | grep "slot_num=9,"
lpar_name=client_lpar,lpar_id=1,slot_num=9,state=1,is_required=0,adapter_type=client,remote_lpar_id=39,remote_lpar_name=vio1,remote_slot_num=11
client_lpar:/:$

You can verify the resulting VIO slot number information by looking at the 'lsmap -all' output on your VIO server:
Code:
vio1:/home/padmin:# lsmap -all | more
SVSA            Physloc                                      Client Partition ID
--------------- -------------------------------------------- ------------------
vhost0          U8205.E6B.0110000-V39-C11                    0x00000001

VTD                   client_lparhdisk0
Status                Available
LUN                   0x8100000000000000
Backing device        hdisk5
Physloc               U78AA.001.xxxxxX6-P1-C4-T1-Z10060F8020061F02-L3000000000000
Mirrored              false

 

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LEARN ABOUT REDHAT

amtape

AMTAPE(8)						      System Manager's Manual							 AMTAPE(8)

NAME

       amtape - user interface to Amanda tape changer controls

SYNOPSIS

       amtape config command [ command options ]

DESCRIPTION

       Amtape performs tape changer control operations.  It uses the underlying tape changer script defined by the tpchanger option for a particu-
       lar Amanda configuration as specified by the config argument.

       Tape changers maintain a notion of the current and next slot for each configuration.  These may or may not correspond to an actual physical
       state  of  the device, but do tend to minimize searching through the tape storage slots.  If the desired tape is in the current slot, it is
       likely the next tape needed is in the next slot rather than at some random position in the storage slots.

       See the amanda(8) man page for more details about Amanda.

COMMANDS

       reset  Reset the tape changer to a known state.	The current slot is set to the first slot.  Other device-specific side effects may  occur.
	      Some  gravity stackers need to be reset to the top position by hand.  This command notifies Amanda the stacker is back in that posi-
	      tion.

       eject  If a tape is loaded in the drive, it is ejected and returned to the slot from which it was loaded.

       clean  If a cleaning tape is defined for the changer, it is used to clean the drive.

       show   Show the contents of all slots.  This can be slow.

       label label
	      Search for and load the Amanda tape with label label.

       taper  Perform the taper scan algorithm.  Load the next tape in the configuration's tape sequence, or a fresh tape with a suitable label.

       device Display the name of the current tape device on stdout.

       current
	      Display the current slot.

       update Update the changer label database, if it has one, to match the tapes now available.

       slot slot
	      Eject any tape in the drive and put it away, then load the tape from slot slot and reset current.

       slot current
	      Eject any tape in the drive and put it away, then load the tape from the current slot.

       slot prev
	      Eject any tape in the drive and put it away, then load the tape from the previous slot and reset current.

       slot next
	      Eject any tape in the drive and put it away, then load the tape from the next slot and reset current.

       slot first
	      Eject any tape in the drive and put it away, then load the tape from the first slot and reset current.

       slot last
	      Eject any tape in the drive and put it away, then load the tape from the last slot and reset current.

       slot advance
	      Eject any tape in the drive and put it away.  Advance current to the next tape, but do not load it.

	      This is useful with non-gravity stackers to unload the last tape used and set up Amanda for the next run.  If you  just  use  eject,
	      the  current  tape will be mounted again in the next run, where it will be rejected as being still in use, ejected and the next tape
	      requested.  Using slot next followed by eject does an unnecessary mount.

       Note: most changers optimize the slot commands to not eject the loaded tape if it is the one being requested.

AUTHOR

       James da Silva <jds@cs.umd.edu>
       University of Maryland, College Park

SEE ALSO

       amanda(8)

																	 AMTAPE(8)
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