mpath_persistent_reserve_in - Man Page
send PRIN command to DM device
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->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
Authors
multipath-tools was developed by Christophe Varoqui <christophe.varoqui@opensvc.com> and others.