upgrade from FreeBSD 4.11-RELEASE

Guillermo Garcia Rojas garciarojas at solobsd.org
Thu Feb 24 08:56:10 PST 2005


I always do it from FreeBSD 4.9-RELEASE and all goes fine.

On Thu, 24 Feb 2005 20:46:47 +0800, Bill Hacker wrote:

> Jake Maciejewski wrote:
> 
>> On Thu, 2005-02-24 at 17:27 +0800, Bill Hacker wrote:
>> 
>>>Janet Sullivan wrote:
>>>
>>>
>>>>Are there any known issues upgrading from FreeBSD 4.11 to Dragonfly, or 
>>>>should the instructions at 
>>>>http://www.dragonflybsd.org/docs/upgrade-freebsd.cgi still work just fine?
>>>
>>>4.10 and later have a progressively increasing number of 5.X'ish 
>>>backports included. (I run 4.9 thru 4.11-STABLE).
>>>
>> 
>> When I upgraded from 4.10, the only thing I noticed was that some of the
>> changes in UPDATING had already been made.
>> 
>>>I do not know if those steps will still work without further ado, but I 
>>>can say that if you can do so, a 'clean' DragonFlyBSD install from ISO, 
>>>newfs and all, is *very much* faster - and very trouble-free.
>> 
>> 
>> I agree that binary is cleaner and faster, but if you don't want the
>> downtime or want a custom kernel or optomizations, you'd have to build
>> from source eventually anyway.
>> 
> 
> Agree w/r building from source, either right after install or later, but 
> expect fewer 'distractions' if done on a box that was
> DragonFlyBSD from the outset (or most recent newfs, anyway <g>.
> 
> Nothing is perfect - we've been 'bitten' a few times on ordinary FreeBSD 
> changes.
> 
> Going 4.X to 5.X, then having - with the taste of chaos in one's mouth - 
> to go back to 4.X, was not a lot of fun - which is why I am here <g>. 
> DragonFlyBSD is fixing what's broke, not what ain't broke.
> 
> Nowadays we break the RAID1, remount as two disks, install the new stuff 
> to one of the drives while the other carries the traffic, copy what we 
> need to preserve, reboot to the new, then overwrite the old from the new 
> 'merged' drive, recreate the RAID1, edit fstab, and reboot.  Sounds 
> complicated, but works well 'over the wire'.
> 
> Rebuild is background work, may take the better part of a full day, but 
> the box is in production nearly the whole time, needs only a couple of 
> 40-90 second reboots, plus (recommended under atacontrol RAID1, anyway) 
> time for a forced fsck in /etc/rc, not just a preen, prior to going multi.
> 
> Seldom requires a trip to the data centre.
> 
> FWIW, we always do the cvsup and make cycle *twice*.  Back-to-back.
> 
> Insures we have built the latest with the latest, as it takes exactly 
> one *bit* wrong in the wrong place to produce grief.
> 
> YMMV,
> 
> Bill

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Guillermo Garcia-Rojas
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http://solobsd.org






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