retasting devices on demand

[Eric Anderson]

On 08/22/06 14:16, Poul-Henning Kamp wrote:
> In message <44EB5762.7080109 at centtech.com>, Eric Anderson writes:
> 
>> How can I get a particular GEOM class to re-taste devices on demand?
> 
> Phrased just like that there is no way.

I should be more generic next time :)

>> have an issue that geom label won't see new labels (UFS labels), and 
>> also where I have a shared disk subsystem, where one system puts a label 
>> on a device (a glabel) and the other system doesn't know to look for it 
>> again.
>>
>> I'd really like a 'geom retaste' command - is this a reasonable option?
> 
> The easy way is to open the device for write and close it again:
> 
> 	true > /dev/da0
> 
> would do it.
> 

Yep, that did it.  I think I tried touch (or maybe something else) 
before and it didn't tickle it, so I moved on.

Might be more intuitive for admins to use a retaste command with the 
given tool or geom command line.  Is that function left out for a 
reason, or just hasn't been implemented yet?


Eric




-- 
------------------------------------------------------------------------
Eric Anderson        Sr. Systems Administrator        Centaur Technology
Anything that works is better than anything that doesn't.
------------------------------------------------------------------------