On Thursday, November 10, 2016 at 11:03:09 AM UTC-7, [email protected]
wrote:
>
> i need C/C++ library/API at initiator side which can give me the iscsi
> target details(iqn) when i pass the OS device name or scsi-channel-lun
> details.
>
> for example input will be "/dev/sdc" or something like "scsi12 Channel 00
> Id 0 Lun: 0" and the output should be the corresponding target iqn .
>
>
>
> thanks in advance
>
Such information is available in the system. Try running "iscsiadm -m
session -P3". This prints out the block device for each session. For
example:
zsh> iscsiadm -m session -P3 | egrep 'iqn|disk'
iscsiadm -m session -P3 | egrep 'iqn|disk'
Target: iqn.2003-01.org.linux-iscsi.worklaptop.x8664:sn.36fa11d076f4
(non-flash)
Iface Initiatorname: iqn.2005-03.org.open-iscsi:a02b9e9d4e52
Attached scsi disk sdb State: running
I suspect you could get this information directly from sysfs yourself, if
you want to figure out where it all resides.
You can look in usr/iscsi_sysfs.c to see what iscsiadm does to print out
this information.
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