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persistently bind an autochanger

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Operating Systems Solaris persistently bind an autochanger
# 1  
Old 05-05-2007
persistently bind an autochanger
Hi,
I'm trying to persistently bind an auto changer connected to my server over fiber. the reason I wanna to that because every time I reboot my server the OS gives a different SCSI id to the device files which causes problems with Legato Networker (the backup Application) I have to reconfigure the jukebox all over again which a pain in the ass. the closest I got to solve this problem is by persistent binding on the HBA level. to do that I need to compile a line and put it in the qla.conf the syntax if this line as follows:

hba<#>-SCSI-target-id-<#>-fibre-channel-port-name="<device WWPN>";

I got the hba # from /etc/path_to_inst and the device WWPN from the command inquire but I couldn't get the SCS-target-id.

Could somebody help me to get the SCSI-target-id? or suggest a solution for this problem.

Thanks
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LEARN ABOUT HPUX

iobind

iobind(1M)																iobind(1M)

NAME

       iobind - bind a driver to a device

SYNOPSIS

       instance]

DESCRIPTION

       The  command  may be used to perform online unbinding of a device LUN hardware path from its current driver and binding a new driver to it.
       As part of the binding operation, the specified driver will be bound to the LUN hardware path and also to its corresponding legacy hardware
       paths.

       The  hardware path specified as the argument to the option must be of the form 64000/0x/0x.  The driver name specified with the option will
       be bound to the LUN and legacy hardware paths.  The optional option specifies an instance number to be assigned to  the	device	associated
       with  the  hardware  path.   If	this option is not used, the device will be assigned a new instance number in the new driver's class.  The
       optional forces the binding to occur at the next reboot if it cannot be done online.

       The device must not be in use while the unbind operation is performed.  The driver must support online unbinding and binding.  If either of
       these  requirements  is	false  and the option is not given, the user will be asked if the binding can take effect at the next reboot.  The
       user is given the option to proceed or not.

       If a driver supports online unbinding and binding, then after completes, a device will have one of the following software states  as  shown
       by the command:

	      The specified driver was successfully bound to the hardware path.

	      The specified driver cannot be used to claim the hardware at
			  the specified hardware path.

	      The device at the address is responding, but it is in an
			  error state.

	      The device at the specified hardware path is no longer responding.

	      The specified hardware path is locked.  Try again later.

	      The driver failed.

   Options
       recognizes the following options:

	      Force the binding even though a driver does not support online unbinding
			  and binding or the device is in use.	In this case, the binding will take effect at the next reboot.

	      The LUN hardware path of a device
			  must be of the form 64000/0x/0x.

	      The instance number to be assigned to the device.

	      The name of the driver that the LUN and legacy hardware paths are to be bound to.

RETURN VALUE

       Exit values are:

       Successful completion.

       An error condition occurred.

EXAMPLES

       Unbind the driver bound to the device at hardware path and bind the device to Use the default instance number of the driver's class.

       Unbind the driver bound to the device at hardware path and bind the device to Assign it the instance number

       Do a forced binding.  If the driver does not support online binding or the device is busy, the binding will be deferred till next reboot.

WARNINGS

       The  and  commands  should  not be run at the same time because both commands attempt to bind drivers.  In particular, there may be a short
       window while will leave a hardware path unbound.  If runs during that window, it may bind a different driver to	that  hardware	path.	If
       this happens, must be executed again to bind the desired driver.

       may be executed only by the superuser.

SEE ALSO

       ioscan(1M), intro(7).

																	iobind(1M)