Red Hat Enterprise Linux > AS/ES/WS Basics > Issue
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Issue:
How do I obtain host bus adapter information for a QLogic 2200 or 2300 Host Bus Adapter card?
Resolution:
To obtain information about a QLogic host bus adapter, run the following command:
cat /proc/scsi/qla2x00/<num>
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where <num> is the number of your QLogic adapter and qla2x00 can be either qla2200 or qla2300. You will see output similar to the following:
QLogic PCI to Fibre Channel Host Adapter for ISP2100/ISP2200/ISP2300:
Firmware version: 3.01.11, Driver version 4.47.16
Entry Address = e0848060
Request Queue = 0x1fdc0000, Response Queue = 0x1fdb8000
Request Queue count= 256, Response Queue count= 256
Number of pending commands = 0x0
Number of queued commands = 0x0
Number of free request entries = 22
Number of mailbox timeouts = 0
Number of ISP aborts = 0
Number of loop resyncs = 0
Number of retries for empty slots = 0
Number of reqs in retry_q = 0
Number of reqs in done_q = 0
Current req ring index= 225
Host adapter: loop state= , flags= 0x2060001
DPC flags= 0x0
Current timer= 0x3b9d
Loop down timer= 0
SRB free count= 4096
SCSI Device Information:
scsi-qla0-adapter-node=200000e08b079db0;
scsi-qla0-adapter-port=210000e08b079db0;
scsi-qla0-target-0=500601602006e085;
scsi-qla0-target-1=2002006045170495;
SCSI LUN Information:
(Id:Lun)
( 0: 0): Total reqs 686, Pending reqs 0, Queued reqs 0, flags 0x0, tflags 0,
( 0: 2): Total reqs 47, Pending reqs 0, Queued reqs 0, flags 0x0, tflags 0,
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This output contains useful information about the QLogic adapter, such as the device driver version and the World Wide Name of the QLogic adapter, which can come in handy when setting up a Storage Area Network (SAN) environment.
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