Section: Sun Grid Engine Administrative Commands (8)Updated: $Date$Local indexUp
sge_shadowd - Sun Grid Engine shadow master daemon
is a "light weight" process which can be run on so-called shadow
master hosts in a Sun Grid Engine cluster to detect failure of the current
Sun Grid Engine master daemon,
and to start-up a new
on the host on which the
runs. If multiple shadow daemons are active in a cluster, they
run a protocol which ensures that only one of them will start-up
a new master daemon.
The hosts suitable for being used as shadow master hosts must have
shared root read/write access to the directory $SGE_ROOT/$SGE_CELL/common
as well as to the master daemon spool directory
(by default $SGE_ROOT/$SGE_CELL/spool/qmaster).
The names of the shadow master hosts need to be contained in the file
may only be started by root.
Specifies the location of the Sun Grid Engine standard configuration
If set, specifies the default Sun Grid Engine cell. To address a Sun Grid Engine
uses (in the order of precedence):
The name of the cell specified in the environment
variable SGE_CELL, if it is set.
The name of the default cell, i.e. default.
If set, specifies that debug information
should be written to stderr. In addition the level of
detail in which debug information is generated is defined.
If set, specifies the tcp port on which
is expected to listen for communication requests.
Most installations will use a services map entry for the
service "sge_qmaster" instead to define that port.
This variable controls the interval in which
pauses if a takeover bid fails. This value is used only when there are multiple
instances and they are contending to be the master.
The default is 600 seconds.
This variable controls the interval in which the
checks the heartbeat file (60 seconds by default).
This variable controls the interval when a
instance tries to take over when the heartbeat file has not changed.