Re: so for kicks, i just ...

2006-08-07 Thread RW
On Monday 07 August 2006 02:57, Jonathan Horne wrote:
 i just decided to take a box, and installworld, without going to single
 user mode.  from what i can see, the update was completely successful.  of
 course, other then myself (su'd to root), there were no other users logged
 in).

 i wonder how many people are brave enough, and do actually installworld
 without changing to single user mode?  i wonder what is truly at risk from
 not going to single mode?

I always do that on point releases. but given the infrequency of releases it 
doesn't seem worth saving any effort there. 
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Re: so for kicks, i just ...

2006-08-07 Thread backyard


--- RW [EMAIL PROTECTED] wrote:

 On Monday 07 August 2006 02:57, Jonathan Horne
 wrote:
  i just decided to take a box, and installworld,
 without going to single
  user mode.  from what i can see, the update was
 completely successful.  of
  course, other then myself (su'd to root), there
 were no other users logged
  in).
 
  i wonder how many people are brave enough, and do
 actually installworld
  without changing to single user mode?  i wonder
 what is truly at risk from
  not going to single mode?
 
 I always do that on point releases. but given the
 infrequency of releases it 
 doesn't seem worth saving any effort there. 
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I used to do it on every install and only had issue
once, which was more and issue with mergemaster and
going line by line and not knowing to answer l and
r... with the merge option, something another
installworld fixed for me... But like yourself I never
have anybody but myself logged in. I got some old
serial multiplexors with a 10-base2 ethernet
connection for a serial console. for when I need to
actually worry about real users.

Has anybody had SERIOUS problems installingworld with
load on the system? It just seems like a potentially
bad idea, and have since started going to single user
for my updates nowadays.

-brian
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Re: so for kicks, i just ...

2006-08-06 Thread Jahilliya

On 8/7/06, Jonathan Horne [EMAIL PROTECTED] wrote:


i wonder how many people are brave enough, and do actually installworld
without changing to single user mode?  i wonder what is truly at risk from
not going to single mode?

I've done this plenty of times, and the only time I find I have problems

is when some software is running and has been updated (a daemon like
sendmail or bind).
The main reason (I think) they say to drop to single user mode is to ensure
that nobody is logged in and that as little as possible can intefere with
the upgrade process (rogue processes changing config files while mergemaster
is running).

If you've stopped all processes, logged out all users except yourself,
you'll probably find that your installworlds while not in single user will
go without a problem.

Thanks
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Re: so for kicks, i just ...

2006-08-06 Thread Nicolas Blais
On Sunday 06 August 2006 21:57, Jonathan Horne wrote:
 i just decided to take a box, and installworld, without going to single
 user mode.  from what i can see, the update was completely successful.  of
 course, other then myself (su'd to root), there were no other users logged
 in).

 i wonder how many people are brave enough, and do actually installworld
 without changing to single user mode?  i wonder what is truly at risk from
 not going to single mode?

 curious,
 jonathan

I usually don't go into single-user mode on my desktops as there is no real 
need. If I know libc has been bumpted, then there's a reason to go in 
stand-alone as there might be running processes that might be affected.

On a multiple user machine it is highly recommended because
1) You warn the user that a loss of ressource (network connection etc...) is 
imminent due to reboot
2) Any huge processes are stopped and will not be affected by live changing of 
libraries and core /bin or /usr/bin and other system bin files.
3) If somethings goes wrong, you won't be affecting other users in mysterious 
ways, you can fix it right away and resume serving.

There's probably more reasons to the logic but thoses are my so far.

Nicolas.

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Re: so for kicks, i just ...

2006-08-06 Thread User Freebsd

On Sun, 6 Aug 2006, Jonathan Horne wrote:


i just decided to take a box, and installworld, without going to single user
mode.  from what i can see, the update was completely successful.  of course,
other then myself (su'd to root), there were no other users logged in).

i wonder how many people are brave enough, and do actually installworld
without changing to single user mode?  i wonder what is truly at risk from
not going to single mode?


I do it on production servers all the time, with multiple users logged in 
... the only time I've been burnt was when trying to do an upgrade from 
4.x to 6.x where enough changed that /bin/sh even blew up :(  But, in that 
case, it was only my desktop, so no risk ...



Marc G. Fournier   Hub.Org Networking Services (http://www.hub.org)
Email . [EMAIL PROTECTED]  MSN . [EMAIL PROTECTED]
Yahoo . yscrappy   Skype: hub.orgICQ . 7615664
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