smp_rep_phy_err_log - invoke REPORT PHY ERROR LOG SMP function
] [ --phy=ID
] [ --verbose
Sends a SAS Serial Management Protocol (SMP) REPORT PHY ERROR LOG function
request to an SMP target. The SMP target is identified by the
and the SAS_ADDR
. Depending on the interface, the
may be deduced from the SMP_DEVICE
. The mpt interface
to identify a HBA (an SMP initiator) and needs the
to differentiate between HBAs if there are multiple
Mandatory arguments to long options are mandatory for short options as well.
- -h, --help
- output the usage message then exit.
- -H, --hex
- output the response (less the CRC field) in
- -I, --interface=PARAMS
- interface specific parameters. In this case
"interface" refers to the path through the operating system to
the SMP initiator. See the smp_utils man page for more information.
- -p, --phy=ID
- phy identifier. ID is a value between 0 and 254.
Default is 0.
- -r, --raw
- send the response (less the CRC field) to stdout in binary.
All error messages are sent to stderr.
- -s, --sa=SAS_ADDR
- specifies the SAS address of the SMP target device.
Typically this is an expander. This option may not be needed if the
SMP_DEVICE has the target's SAS address within it. The
SAS_ADDR is in decimal but most SAS addresses are shown in
hexadecimal. To give a number in hexadecimal either prefix it with '0x' or
put a trailing 'h' on it.
- -v, --verbose
- increase the verbosity of the output. Can be used multiple
- -V, --version
- print the version string and then exit.
- -z, --zero
- zero the Allocated Response Length field in the request.
This option also zeros the Request Length field in the request. This is
required for strict SAS-1.1 compliance. However this option should not be
given in SAS-2 and later; if it is given an abridged response may
Similar information is maintained for SAS SSP target phys (e.g. on a SAS disk).
It can be obtained from the Protocol Specific Port log page with the sg_logs
Similar information may be obtained for SAS initiator phys (e.g. on a SAS HBA).
As an example in Linux 2.6.28 error information can be found in this directory
/sys/class/sas_phy/phy-4:0 (for the phy 0 in SCSI/SAS host 4).
Similar information may be obtained for SATA device phys (e.g. on a SATA disk).
If there is a SAT layer between OS and the SATA device then the
sg_sat_phy_event utility can fetch the information.
The SMP REPORT PHY ERROR LOG function was introduced in SAS-1 . The
"Expander change count" field was added in SAS-2 .
Written by Douglas Gilbert.
Report bugs to <dgilbert at interlog dot com>.
Copyright © 2006-2011 Douglas Gilbert
This software is distributed under a FreeBSD license. There is NO warranty; not
even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
smp_utils, smp_phy_control(smp_utils), sg_logs(sg3_utils),