what is the difference between init runlevel and milestone?
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Answer / phani
A milestone is a new mechanism made to be compatible with
run-levels. Milestones define a specific state of system
readiness, each with a specific set of services enabled.
Before smf(5), system boot progresses from run level S to
3, executing scripts in /etc/rc?.d along the way. With smf
(5), system boot does not progress from milestone to
milestone, the dependency determines the order of service
start.
Except for none, and all, milestones show up as services in
SMF. However, the system can only be in one of the
following milestones at any time:
none, single-user, multi-user, multi-user-server, all
Regardless of the state of milestone/* as shown by "svcs -
a". For the system's current milestone, check the
options_ovr/milestone property of
svc:/system/svc/restarter:default
# svcprop -p options_ovr/milestone restarter:default
If this command returns the following error:
svcprop: Couldn't find property 'options_ovr/milestone'
for instance 'svc:/system/svc/restarter:default'.
then the system is in its default milestone.
To view the system's default milestone, see question 2.13.
Other milestones exist to declare that some set of services
are ready. They are available for use as dependencies. For
example, if milestone/devices is online, it indicates that
device/fc-fabric and device/local have finished. Use "svcs -
d <milestone>" to list the dependencies for the milestone.
The Answer is avaliable in
http://hub.opensolaris.org/bin/view/Community+Group+smf/faq
| Is This Answer Correct ? | 12 Yes | 1 No |
Answer / vijayakanth.g
Upto solaris 9 runlevel are used they are
Runlevel 0 1 2 3 4 5 6
In solaris 10 milestone is introduced. Milestone is
improved level of runlevel
In run level we use init 1 to bring system into single
user, in milestone # svcadm milestone single-user command
used to bring the system to single user Simillarly
init 2 as multi-user(more than one user),init 3 as multi-
user-sever provide multiuser mode along with nfs
runlevel 4 is currently unused
runlevel 5 ie init 5 shutdown and power off
runlevel 6 ie init 6 shut down and restart
| Is This Answer Correct ? | 8 Yes | 0 No |
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