Creating an easier reproducer:
Node 01:
rafaeldtinoco@clubionic01:~$ sudo sg_persist --out --register
--param-sark=3abe0000 /dev/sdc
Msft Virtual Disk 1.0
Peripheral device type: disk
rafaeldtinoco@clubionic01:~$ sudo sg_persist --out --reserve
--param-rk=3abe0000 --prout-type=5 /dev/sdc
Msft Virtual Disk 1.0
Peripheral device type: disk
rafaeldtinoco@clubionic01:~$ sudo sg_persist -r /dev/sdc
Msft Virtual Disk 1.0
Peripheral device type: disk
PR generation=0xb, Reservation follows:
Key=0x3abe0000
scope: LU_SCOPE, type: Write Exclusive, registrants only
----
Node 02: (has to be able to remove node's 01 reservation):
rafaeldtinoco@clubionic02:~$ sudo sg_persist -v --out --release
--param-rk=3abe0000 --prout-type=5 /dev/sdc
inquiry cdb: 12 00 00 00 24 00
Msft Virtual Disk 1.0
Peripheral device type: disk
Persistent Reservation Out cmd: 5f 02 05 00 00 00 00 00 18 00
persistent reserve out: transport: Host_status=0x07 [DID_ERROR]
Driver_status=0x00 [DRIVER_OK]
PR out (Release): Sense category: -1
We get a sense out of the storage server.
----
But if we try to remove the reservation from the same node it works:
rafaeldtinoco@clubionic01:~$ sudo sg_persist -v --out --release
--param-rk=3abe0000 --prout-type=5 /dev/sdc
inquiry cdb: 12 00 00 00 24 00
Msft Virtual Disk 1.0
Peripheral device type: disk
Persistent Reservation Out cmd: 5f 02 05 00 00 00 00 00 18 00
PR out: command (Release) successful
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https://bugs.launchpad.net/bugs/1864419
Title:
[bionic][azure] fence_scsi unable to unfence from another node
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