zfs boot vs loader

[Andriy Gapon]

on 14/10/2009 09:28 Pawel Jakub Dawidek said the following:
> On Tue, Oct 13, 2009 at 01:46:37PM +0300, Andriy Gapon wrote:
>> Thanks to all who replied!
>> I think that I figured it out with your help.
>>
>> 'unload' does indeed unload zpool.cache and the latter is needed for proper zfs
>> root mounting.
>> 'boot /other/kernel' executes some loader scripts and zpool.cache gets loaded in
>> this case (because of the settings in defaults/loader.conf).
>> When doing manual 'load xxx' and then just 'boot' no loader scripts are executed
>> and zpool.cache does not get loaded. In this case one has to load it manually
>> using the suggested 'load -t xxx' approach.
> 
> Could you repeat what you were doing but with vfs.zfs.debug set to 1
> from the loader? You should see some messages about missing file, maybe
> we should do them visible always and not after increasing debug level?

Yes, I tried this and got the following message:
spa_config_load:92[1]: Cannot open /boot/zfs/zpool.cache
Perhaps it's a good idea indeed to be more verbose about this.


-- 
Andriy Gapon