mpath_persistent_reserve_in − send PRIN command to DM device
#include <mpath_persist.h>
int mpath_persistent_reserve_in(int fd, int rq_servact, struct prin_resp *resp, int noisy, int verbose)
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. |
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).
mpathpersist(8).
multipath-tools was developed by Christophe Varoqui <[email protected]> and others.