[pca] PCA & LiveUpgrade questions and comments

[Ben Taylor]

On Wed, Feb 10, 2010 at 9:35 PM, Glenn Satchell
<glenn.satchell at uniq.com.au> wrote:
>> Am 10.02.2010 um 20:17 schrieb Don Jackson:
>>>
>>> Finally, my question:
>>>
>>> Given that I am using the above to patch an alternate boot environment
>>> (ABE), and given that ABE is not active/running, is it safe to just go
>>> ahead and apply all the patches?
>>> That is, can I not worry about the "apply as single user and reboot
>>> afterwards" patches, and just go ahead and install those patches just
>>> like all the other patches?
>>
>> I'm doing it this way all the time.
>
> Mostly it should be ok, but you need to be careful if a patch delivers new
> functionality that a later patch relies on. I got caught out with a kernel
> patch last year (forget the exact version) and wound up with as system
> thast wouldn't boot. Learned vey quickly about booting from cd and using
> patchrm -R to back out the last few patches :)

failsafe mode wouldn't boot?

>>> The idea is that after I finish patching the new ABE, I will make it the
>>> default/active BE, reboot, and I will be running a fully patched OS.
>>
>> Yes. Why don't you try it? It simply works if you have installed the
>> required Patches for using LU of course.
>>
>> thomas
>
> And if it doesn't work you have the old BE to boot from while you repair
> the new one. Assuming that it is going to work more often that it fails
> then you will stiff be in front.


lol