Sense keys and codes70
HP restricted
29 01 Power-on reset The drive has powered on since the host last accessed it.
Action: 1. The action of the calling application depends on the
current I/O and what the operating system is
expecting.
2. For parallel SCSI, the host should renegotiate transfer
parameters, and reconfigure the drive with any
host-specific operating parameters (burst size, bus
activity limit, fixed or variable mode, and so on).
3. The host should then report to the console that the
drive has been reset.
4. The I/O can be retried if desired.
29 02 SCSI bus reset SCSI drives: The drive has received a SCSI reset signal
since the host last accessed it.
FC drives: The drive has received its first process login.
The drive will be implicitly logged out after a Target
Reset so this ASCQ will be posted after the host has
performed port/process login.
Action: As for 29 01h
29 03 Bus device reset SCSI drives: The drive has received a SCSI bus device
reset message since the host last accessed it.
FC drives: The drive has received a process login when it
was previously logged in for a particular host.
Action: As for 29 01h
29 04 Internal firmware reboot The drive has reset itself.
Action: The host may renegotiate transfer parameters.
29 05 Transceivers to SE
SCSI drives only: The transceivers on the bus have been
reset to Single-Ended.
Action: As for 29 01h
29 06 Transceivers to LVD
SCSI drives only: The transceivers on the bus have been
reset to LVD.
Action: As for 29 01h
29 07 I_T nexus loss occurred The drive has lost the connection with the initiator (host
server).
Action: The host may renegotiate transfer parameters.
2A 01 Mode parameters changed The Mode parameters for the drive have been changed
by a host other than the one issuing the command.
UNIT
ATTENTION
is set for all hosts following a MODE SELECT
command, apart from the host that issued the command.
This code will only be returned in a multi-host
environment.
Code Meaning Comments
