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If the transport cannot be registered, the session/connection creation needs to be failed early to let the initiator know. Otherwise, the system will have an outstanding connection that cannot be used nor removed by open-iscsi. The result is similar to the error below, triggered by injecting a failure in the transport's registration path. openiscsi reports success: root@debian-vm:~# iscsiadm -m node -T iqn:lun1 -p 127.0.0.1 -l Logging in to [iface: default, target: iqn:lun1, portal: 127.0.0.1,3260] Login to [iface: default, target: iqn:lun1, portal:127.0.0.1,3260] successful. But cannot remove the session afterwards, since the kernel is in an inconsistent state. root@debian-vm:~# iscsiadm -m node -T iqn:lun1 -p 127.0.0.1 -u iscsiadm: No matching sessions found Link: https://lore.kernel.org/r/20200106185817.640331-4-krisman@collabora.com Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.