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MPATH_PERSISTENT_RESERVE_OUT(3) Library Functions Manual MPATH_PERSISTENT_RESERVE_OUT(3)
NAME
mpath_persistent_reserve_out - send PROUT command to DM device
SYNOPSIS
#include <mpath_persist.h>
int mpath_persistent_reserve_out(int fd, int rq_servact, struct prin_resp *resp, int
noisy, int verbose)
DESCRIPTION
The function in the mpath_persistent_reserve_out () sends PROUT command to the DM device
and gets the response.
Parameters:
fd The file descriptor of a multipath device. Input argument.
rq_servact PROUT command service action. Input argument.
rq_scope Persistent reservation scope. The value should be always LU_SCOPE (0h).
rq_type Persistent reservation type. The valid values of persistent reservation
types are:
5h (Write exclusive - registrants only).
6h (Exclusive access - registrants only).
7h (Write exclusive - All registrants).
8h (Exclusive access - All registrants).
paramp PROUT command parameter data. The paramp is a struct which describes
PROUT parameter list. 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 to 3. 0->Crits and Er-
rors, 1->Warnings, 2->Info, 3->Debug.
RETURNS
MPATH_PR_SUCCESS
If PR command successful else returns any one of the status mentioned below.
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).
MPATH_PR_RESERV_CONFLICT
If command fails with reservation conflict.
SEE ALSO
mpathpersist(8).
AUTHORS
multipath-tools was developed by Christophe Varoqui <christophe.varoqui AT opensvc.com> and
others.
Linux 2016-11-01 MPATH_PERSISTENT_RESERVE_OUT(3)
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