nameloc -Z option. What is it?

QNX Newsgroups (Archives) qdn.public.qnx4
1

The “use” help for nameloc gives a -Z option. This is not listed in the
online help page. What exactly does it do?

thanks

Julian Thornhill

2

it scales the poller.
default is 1 which will delay based on:

delay(sec*1000/timer_scale)

if your total network size is greater > 50, then timer_scale=2
if your total network size is greater > 500, timer_scale = 3
if your total network size is greater > 5000, timer_scale = 4

in most cases you keep it at 1 so that there is a poll of -p (1 by default)


Julian Thornhill <jth@ion.le.ac.uk> wrote:

The “use” help for nameloc gives a -Z option. This is not listed in the
online help page. What exactly does it do?

thanks

Julian Thornhill

–
Randy Martin randy@qnx.com
Manager of FAE Group, North America
QNX Software Systems www.qnx.com
175 Terence Matthews Crescent, Kanata, Ontario, Canada K2M 1W8
Tel: 613-591-0931 Fax: 613-591-3579

3

Hmmn, probably not what I’m searching for. Does anyone have any clues as how
to solve this problem?:

I have 10 Ethernet based QNX segments, each segmenthaving 10 nodes, plus an
11th segment with the “central” control. Ordinarily I would run nameloc on
segment 11 and all would be happy. But if the ethernet to any segment fails
I need the then isolated 10 nodes to operate as an isolated network and
therefore I need at least 1 nameloc running on those 10 nodes. Thus to be
safe I would have 1 nameloc per segment, which comes to 11. This is one more
than the maximum 10 instances of nameloc, and probably many more than is
wise.

Ideas gratefully received :slight_smile:

thanks

Julian Thornhill

“Randy Martin” <randy@qnx.com> wrote in message
news:97dt2j$inu$1@nntp.qnx.com…

it scales the poller.
default is 1 which will delay based on:

delay(sec*1000/timer_scale)

if your total network size is greater > 50, then timer_scale=2
if your total network size is greater > 500, timer_scale = 3
if your total network size is greater > 5000, timer_scale = 4

in most cases you keep it at 1 so that there is a poll of -p (1 by
default)


Julian Thornhill <> jth@ion.le.ac.uk> > wrote:
The “use” help for nameloc gives a -Z option. This is not listed in the
online help page. What exactly does it do?

thanks

Julian Thornhill


\

Randy Martin > randy@qnx.com
Manager of FAE Group, North America
QNX Software Systems > www.qnx.com
175 Terence Matthews Crescent, Kanata, Ontario, Canada K2M 1W8
Tel: 613-591-0931 Fax: 613-591-3579

4

Hello Julian,

I would write a shell script run by cron testing the absence of some nodes
in the central network (looking from the sub-networks). If this lookup fails
you can start nameloc for a while until the central nodes are back again.
(Imagine that’s just a stupid idea, I never had such a problem and never
tried if it works.)

/martin

Julian Thornhill <jth@ion.le.ac.uk> schrieb in im Newsbeitrag:
97f98n$p2i$1@inn.qnx.com…

Hmmn, probably not what I’m searching for. Does anyone have any clues as
how
to solve this problem?:

I have 10 Ethernet based QNX segments, each segmenthaving 10 nodes, plus
an
11th segment with the “central” control. Ordinarily I would run nameloc on
segment 11 and all would be happy. But if the ethernet to any segment
fails
I need the then isolated 10 nodes to operate as an isolated network and
therefore I need at least 1 nameloc running on those 10 nodes. Thus to be
safe I would have 1 nameloc per segment, which comes to 11. This is one
more
than the maximum 10 instances of nameloc, and probably many more than is
wise.

Ideas gratefully received > :slight_smile: