NAME¶
mpath_persistent_reserve_in - 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->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).
AUTHORS¶
multipath-tools was developed by Christophe Varoqui
<christophe.varoqui@opensvc.com> and others.
