According to Cathy Zhou <Cathy.Zhou@Oracle.COM>:
"iscsistart is not designed to be working together with iscsid. When an
interface gets the dhcp offer successfully, the iscsiroot script is run
which starts the iscsistart service to establish the iSCSI session. With
the existence of iscsid, the iscsistart service's attempt to setup its
own mgmt ipc fails. Instead, the request to login to the iscsi target
is handled by the mgmt ipc of iscsid. After iscsistart finishes its
login attempt, it eventually sends a stop_event_loop request to stop
the mgmt process. As the result, it terminates iscsid."
So, iscsid is kicked out again.
Additionally iscsistart-flocked is used to make sure iscsistart is not
run in parallel.
If no iscsi session information can be retrieved from the firmware
then skip the iscsi attachment and allow the boot process to continue.
Ensure the timeout scripts don't hit their timeout waiting for
/tmp/iscsistarted-firmware to be created.
This will allow a common image to be used for servers with both a
local and iscsi root with rd.iscsi.firmware set.
parse-cmdline sets up an initial initiator-name to let iscsid start.
iscsid is started before doing any iscsistart business.
iscsistart is done with systemd-run asynchrone to do things in
paralllel. Also restarted for every new interface which shows up.
If rd.iscsi.waitnet (default) is set, iscsistart is done only
after all interfaces are up.
If not all interfaces are up and rd.iscsi.testroute (default) is set,
the route to a iscsi target IP is checked and skipped, if there is none.
If all things fail, we issue a "dummy" interface iscsiroot to retry
everything in the initqueue/timeout.
Make sure duplicates of iscsi.initiator vanish.
Only get one rd.iscsi.* paramter value. If getargs is used and several
parameters are parsed, one gets two values separated by whitespace in a
variable which breaks later code and is not suppported.
Signed-off-by: Thomas Renninger <trenn@suse.de>
Lubomir Rintel