VOTEQUORUM_QDEVICECorosyncRCluster Engine PrograVOTEQUORUM_QDEVICE_REGISTER(3)NAMEvotequorum_qdevice_register - Registers a new quorum device
SYNOPSIS
#include <corosync/votequorum.h>
int votequorum_qdevice_register(votequorum_handle_t handle, const char
* name);
DESCRIPTION
The votequorum_qdevice_register is used to register a new quorum
device. A quorum device is an external way of adding votes to a small
cluster. The quorum device is, in effect, a pseudo node in the cluster
that provide votes based on some external device, usually a shared disk
partition or perhaps a network router.
This call creates the device but does not mark it active. votequo‐
rum_qdevice_poll must be called for the votes to be included in the
quorum calculation.
name is string containing an informative name for the quorum device. It
is simply stored by votequorum and used in the display of corosync-quo‐
rumtool, it can be a maximum of 254 characters.
The number of votes contributed by the quorum device is already known
to votequorum, it is set in cmap quorum.device.votes and not by the
device.
Note that it is the responsibility of the quorum device subsystem (not
provided as part of votequorum) to keep all nodes informed of the quo‐
rum device status.
RETURN VALUE
This call returns the CS_OK value if successful, otherwise an error is
returned.
ERRORS
CS_ERR_TRY_AGAIN Resource temporarily unavailable
CS_ERR_INVALID_PARAM Invalid argument
CS_ERR_ACCESS Permission denied
CS_ERR_LIBRARY The connection failed
CS_ERR_INTERRUPT System call inturrupted by a signal
CS_ERR_NOT_SUPPORTED The requested protocol/functuality not supported
CS_ERR_MESSAGE_ERROR Incorrect auth message received
CS_ERR_NO_MEMORY Not enough memory to completed the requested task
SEE ALSOvotequorum_overview(8), votequorum_initialize(3), votequorum_final‐
ize(3), votequorum_getinfo(3), votequorum_trackstart(3), votequo‐
rum_trackstop(3), votequorum_fd_get(3), votequorum_dispatch(3), vote‐
quorum_context_set(3), votequorum_context_get(3), votequorum_setex‐
pected(3), votequorum_setvotes(3), votequorum_qdevice_unregister(3),
votequorum_qdevice_poll(3), votequorum_qdevice_update(3), votequo‐
rum_qdevice_master_wins(3)corosync Man Page 2014-05-12 VOTEQUORUM_QDEVICE_REGISTER(3)