Storage arrays return "QUEUE FULL detected" messages.

Solution Unverified - Updated -

Issue

  • Without any obvious reasons, the EMC storage array responds with a QUEUE FULL message to SCSI commands and stops accepting further commands.
Aug 21 10:55:31 hostname kernel: qla2xxx [0000:0e:00.0]-3820:1: QUEUE FULL detected.
Aug 21 10:55:31 hostname kernel: qla2xxx [0000:0e:00.0]-3822:1: FCP command status: 0x15-0x828 (0x28) nexus=1:0:18           portid=010400 oxid=0x592 cdb=28000000847800000800 len=0x1000 rsp_info=0x0 resid=0x1000 fw_resid=0x1000   sp=ffff8811e67fae80 cp=ffff8823fe12f7c0.
Aug 21 10:55:31 hostname kernel: qla2xxx [0000:0e:00.0]-3820:1: QUEUE FULL detected.
Aug 21 10:55:31 hostname kernel: qla2xxx [0000:0e:00.0]-3822:1: FCP command status: 0x15-0x828 (0x28) nexus=1:0:18 portid=010400 oxid=0x593 cdb=28000000558800000800 len=0x1000 rsp_info=0x0 resid=0x1000 fw_resid=0x1000 sp=ffff8824002b9840 cp=ffff8811fa076880.

Note : QUEUE FULL messages would be seen only when HBA debugging is enabled. For Qlogic HBAs, minimum debugging required is

echo 0x1e400000 > /sys/module/qla2xxx/parameters/ql2xextended_error_logging

Environment

  • Red Hat Enterprise Linux 6
    • EMC Storage

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