votequorum_setexpected(3) [centos man page]
VOTEQUORUM_SETEXPECTED(3) Corosync Cluster Engine Programmer's Manual VOTEQUORUM_SETEXPECTED(3) NAME
votequorum_setexpected - Sets the expected votes for the cluster SYNOPSIS
#include <corosync/votequorum.h> int votequorum_setexpected(votequorum_handle_t handle, int expected_votes); DESCRIPTION
The votequorum_setexpected function is used to change the expected votes in the cluster. Expected votes is used to calculate quorum and should normally be the total number of votes that will exist when all the expected nodes are joined. Quorum will usually be half of this (rounded up). It is not possible to set expected votes up so that it makes the cluster inquorate using this command. 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 ALSO
votequorum_overview(8), votequorum_initialize(3), votequorum_finalize(3), votequorum_getinfo(3), votequorum_trackstart(3), votequo- rum_trackstop(3), votequorum_fd_get(3), votequorum_dispatch(3), votequorum_context_set(3), votequorum_context_get(3), votequo- rum_setvotes(3) corosync Man Page 2014-06-10 VOTEQUORUM_SETEXPECTED(3)
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VOTEQUORUM_QDEVICE_REGISTER(3) Corosync Cluster Engine Programmer's Manual VOTEQUORUM_QDEVICE_REGISTER(3) NAME
votequorum_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. votequorum_qdevice_poll must be called for the votes to be included in the quo- rum 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- quorumtool, 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 quorum 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 ALSO
votequorum_overview(8), votequorum_initialize(3), votequorum_finalize(3), votequorum_getinfo(3), votequorum_trackstart(3), votequo- rum_trackstop(3), votequorum_fd_get(3), votequorum_dispatch(3), votequorum_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 2014-06-10 VOTEQUORUM_QDEVICE_REGISTER(3)