MPATH_PERSISTENT_RESERVE_IN

Section: C Library Functions (3)
Updated: 2016-11-01
Page Index

NAME

mpath_persistent_reserve_in

#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).

multipath-tools was developed by Christophe Varoqui <christophe.varoqui@opensvc.com> and others.