NAME¶
mpath_persistent_reserve_in
SYNOPSIS¶
#include <mpath_persist.h>
int mpath_persistent_reserve_in (int fd, int rq_servact, struct prin_resp
*resp, int noisy, int verbose)
DESCRIPTION¶
The function in the
mpath_persistent_reserve_in() sends PRIN command to
the DM device and gets the response.
Parameters:
fd The file descriptor of a multipath device. Input argument.
rq_servact PRIN command service action. Input argument
resp The response from PRIN service action. The caller should manage
the memory allocation of this structure
noisy Turn on debugging trace: Input argument. 0->Disable,
1->Enable
verbose Set verbosity level. Input argument. value:[0-3]. 0->Crits
and Errors, 1->Warnings, 2->Info, 3->Debug
RETURNS¶
MPATH_PR_SUCCESS if PR command successful
MPATH_PR_SYNTAX_ERROR if syntax error or invalid parameter
MPATH_PR_SENSE_NOT_READY if command fails with [sk,asc,ascq:
0x2,*,*]
MPATH_PR_SENSE_MEDIUM_ERROR if command fails with [sk,asc,ascq:
0x3,*,*]
MPATH_PR_SENSE_HARDWARE_ERROR if command fails with [sk,asc,ascq:
0x4,*,*]
MPATH_PR_SENSE_INVALID_OP if command fails with [sk,asc,ascq:
0x5,0x20,0x0]
MPATH_PR_ILLEGAL_REQ if command fails with [sk,asc,ascq: 0x5,*,*]
MPATH_PR_SENSE_UNIT_ATTENTION if command fails with [sk,asc,ascq:
0x6,*,*]
MPATH_PR_SENSE_ABORTED_COMMAND if command fails with [sk,asc,ascq:
0xb,*,*]
MPATH_PR_NO_SENSE if command fails with [sk,asc,ascq: 0x0,*,*]
MPATH_PR_SENSE_MALFORMED if command fails with SCSI command
malformed
MPATH_PR_FILE_ERROR if command fails while accessing file (device
node) problems(e.g. not found)
MPATH_PR_DMMP_ERROR if Device Mapper related error.(e.g Error in
getting dm info)
MPATH_PR_OTHER if other error/warning has occurred(e.g transport or
driver error)
SEE ALSO¶
mpath_persistent_reserve_out mpathpersist
/usr/share/doc/mpathpersist/README
