🚀 go-pugleaf

In <mazulauf-0303961034400001@grumpy.met.utah.edu> mazulauf@atmos.met.utah.edu (Mike Zulauf) writes:

>In article <AD580C79-6B2AC@153.37.136.28>, "Frank Nichols"
><fnichols@earthlink.net> wrote:
>
>> ..in the still of the night, for our enlightenment and entertainment -=
>> 
>>         mailto:mazulauf@atmos.met.utah.edu
>> 
>> scribed upon his computer - 
>> 
>> >Hah!  I've had various incarnations of SunOS/Solaris die on me many
>> >times.  Probably at least 10 times over the last 3 or 4 years.  True,
>> >
>> 
>> Just out of curiousity, how many users were connected and running proce=
>> sses at the time of these "crashes". One of the points missed by many U=
>> NIX types is that when a box goes down it normally affects more than on=
>> e person - that is why they are called "multi-user". If say 20 users ar=
>> e running processes at the time of the crash, then 10 crashes over 4 ye=
>> ars equals 50 user/crashes per year or about the equivalent of 1 user/c=
>> rash every 7 days - my Mac runs MUCH longer than that between crashes!
>
>Actually, there were probably no more than 2 or 3 people most of the
>time.  Both departments I've worked at the last few years have a pretty
>high workstation to user ratio.  I definitely get more crashes out of my
>Mac, but I haven't found Unix to be as safe as most seem to think it is.

cnwgs1:~:ROOT 1> rsh cms1 -l iss uptime
  5:55pm  up 37 day(s), 21:47,  5 users,  load average: 2.72, 1.94, 1.35
cnwgs1:~:ROOT 2> rsh cms2 -l iss uptime
  5:58pm  up 38 day(s), 33 min(s),  1 user,  load average: 0.20, 0.30, 0.61
cnwgs1:~:ROOT 3> rsh cms3 -l iss uptime
  5:58pm  up 39 day(s),  3:40,  1 user,  load average: 0.03, 0.09, 0.12
cnwgs1:~:ROOT 4> rsh cms4 -l iss uptime
  5:58pm  up 39 day(s),  3:37,  6 users,  load average: 2.16, 1.88, 1.73
cnwgs1:~:ROOT 5> rsh cms5 -l iss uptime
  5:58pm  up 37 day(s), 23:18,  4 users,  load average: 0.27, 0.18, 0.17
cnwgs1:~:ROOT 6> rsh cms6 -l iss uptime
  5:58pm  up 39 day(s), 9 min(s),  4 users,  load average: 0.16, 0.20, 0.22

Those machines are workgroup servers, all of them are Sun/Solaris boxes
and they've been rebooted 37/39 days ago because their IP addresses were
changed.  No crash since then, on any of them.  Try to get a comparable
up time on a non-idle MacOS box and then come back to talk about the
instability of Unix systems.

Dan
--
Dan Pop
CERN, CN Division
Email: danpop@mail.cern.ch 
Mail:  CERN - PPE, Bat. 31 R-004, CH-1211 Geneve 23, Switzerland