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Top Forums UNIX for Dummies Questions & Answers Mac OS X Post 25827 by John Philip on Tuesday 6th of August 2002 09:42:26 AM
Old 08-06-2002
Re: Hi Fleno

Originally posted by John Philip

Would you mind spending a few minutes giving me:

The OS version?
What kinda network (Copper, 100Mbit, Giga ?)
If you have one Network-unit supplier (Cisco, Allied ?) Could you give me their name ?
Thanx in advance

John Philip
I feel I owe 'The Forum' an update:
My customer lives with the 1-3 times a day server breakdowns.
As he is an optimistic fellow, he has decided to exchange his present OS X Server with an Apple X-serve.
This product will arrive here (probably) end this week.
We will do as much 'laboratory testing' as possible here - and then proceed to set it up at his location - probably end this month.
Hopefully the X-serve will behave itself...
Anyway, we will configure and set it up only with Apple equipment and according to Apple's spec's - so if a/several problems should arise, there will only be one supplier to discuss it with - but hopefully not.

As an addendum to the story: The first G4 set up as OSX server and having all the problems, I have described so far, was taken 'home' by my company.
We then had our Autorized Apple Repair facilities to check the hardware out - without finding anything wrong.
We sold it to a 'consultant' that reformatted it totally, stuck in a new Adaptec board and a fresh set of disks - updated everything - and lo and behold - he has just reported back that the server mysteriously goes down 5-6 times a day...

Kind regards

John Philip
Test Your Knowledge in Computers #369
Difficulty: Medium
The name bytecode originates from instruction sets that have zero-byte opcodes followed by optional parameters.
True or False?

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ntptrace(1M)						  System Administration Commands					      ntptrace(1M)

ntptrace - trace a chain of NTP hosts back to their master time source SYNOPSIS
/usr/sbin/ntptrace [-vdn] [-r retries] [-t timeout] [server] DESCRIPTION
ntptrace determines where a given Network Time Protocol (NTP) server gets its time from, and follows the chain of NTP servers back to their master time source. If given no arguments, it starts with localhost. OPTIONS
The following options are supported: -d Turns on some debugging output. -n Turns off the printing of host names; instead, host IP addresses are given. This may be necessary if a nameserver is down. -r retries Sets the number of retransmission attempts for each host. -t timeout Sets the retransmission timeout (in seconds); default = 2. -v Prints verbose information about the NTP servers. EXAMPLES
Example 1: Sample Output From the ntptrace Command The following example shows the output from the ntptrace command: % ntptrace localhost: stratum 4, offset 0.0019529, synch distance 0.144135 stratum 2, offset 0.0124263, synch distance 0.115784 stratum 1, offset 0.0019298, synch distance 0.011993, refid 'WWVB' On each line, the fields are (left to right): o The server's host name o The server's stratum o The time offset between that server and the local host (as measured by ntptrace; this is why it is not always zero for localhost) o The host's synchronization distance o The reference clock ID (only for stratum-1 servers) All times are given in seconds. Synchronization distance is a measure of the goodness of the clock's time. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWntpu | +-----------------------------+-----------------------------+ SEE ALSO
xntpd(1M), attributes(5) BUGS
This program makes no attempt to improve accuracy by doing multiple samples. SunOS 5.10 19 Mar 1998 ntptrace(1M)

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