How to use Virtual Tape? Post: 303021641

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Operating Systems AIX How to use Virtual Tape? Post 303021641 by only on Monday 13th of August 2018 11:46:06 PM

08-14-2018

Registered User

How to use Virtual Tape?

Dear all,

i have a virtual tape connected to a vhost1

Code:

SVSA            Physloc                                      Client Partition ID
--------------- -------------------------------------------- ------------------
vhost1          U8202.E4C.066BC9R-V1-C3                      0x00000003

VTD                   vtscsi1
Status                Available
LUN                   0x8100000000000000
Backing device        devdisk0
Physloc                
Mirrored              N/A

VTD                   vtscsi2
Status                Available
LUN                   0x8200000000000000
Backing device        devdisk1
Physloc                
Mirrored              N/A

VTD                   vttape0
Status                Available
LUN                   0x8300000000000000
Backing device        rmt0
Physloc               U78AA.001.WZSHC8L-P1-D1
Mirrored              N/A

can i add the virtual tape to a vhost0 ? or i have to remove first the vttape0 on vhost1 ?

Code:

SVSA            Physloc                                      Client Partition ID
--------------- -------------------------------------------- ------------------
vhost0          U8202.E4C.066BC9R-V1-C2                      0x00000002

VTD                   vtopt0
Status                Available
LUN                   0x8400000000000000
Backing device        cd0
Physloc               U78AA.001.WZSHC8L-P2-D9
Mirrored              N/A

VTD                   vtscsi0
Status                Available
LUN                   0x8100000000000000
Backing device        qadisk0
Physloc                
Mirrored              N/A

VTD                   vtscsi3
Status                Available
LUN                   0x8300000000000000
Backing device        qadisk1
Physloc                
Mirrored              N/A

thanks for help

Regards

only

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LEARN ABOUT CENTOS

sg_emc_trespass

SG_EMC_TRESPASS(8)						     SG3_UTILS							SG_EMC_TRESPASS(8)

NAME

       sg_emc_trespass - change ownership of SCSI LUN from another Service-Processor to this one

SYNOPSIS

       sg_emc_trespass [-d] [-hr] [-s] [-V] DEVICE

DESCRIPTION

       sg_emc_trespass	sends  an EMC-specific Trespass Command to the DEVICE with the selected options. This Mode Select changes the ownership of
       the LUN of the device from another Service-Processor to the one the command was received on.

OPTIONS

       Arguments to long options are mandatory for short options as well.

       -d     outputs some extra debug information associated with executing this command

       -hr    Sets the 'Honor Reservation' bit in the command. If set, the trespass will only succeed to change the ownership from the Peer SP	if
	      the Peer SP does not have an outstanding SCSI reservation for the LUN. By default, the reservation state will be ignored.

       -s     Send the short version of the trespass command instead of the long version. The short version is supported on the EMC FC5300, FC4500
	      and FC4700. The long version (default) is supported on the CLARiiON CX and AX family arrays.

       -V     print out version string then exit.

       In the 2.4 series of Linux kernels the DEVICE must be a SCSI generic (sg) device. In the 2.6 series block devices (e.g. SCSI disks and  DVD
       drives) can also be specified. For example "sg_start 0 /dev/sda" will work in the 2.6 series kernels.

EXIT STATUS

       The exit status of sg_emc_trespass is 0 when it is successful. Otherwise see the sg3_utils(8) man page.

AUTHOR

       Written by Lars Marowsky-Bree, based on sg_start.

REPORTING BUGS

       Report bugs to <dgilbert at interlog dot com>.

COPYRIGHT

       Copyright (C) 2004-2012 Lars Marowsky-Bree, Douglas Gilbert.
       This  software  is distributed under the GPL version 2. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR-
       POSE.

sg3_utils-1.35							   December 2012						SG_EMC_TRESPASS(8)