On 06/05/09 11:32, Liam Merwick wrote:
> Steffen Weiberle wrote, On 05/06/2009 16:19:
>> On 06/05/09 11:06, Octave Orgeron wrote:
>>> Hi,
>>>
>>> Well the *given* names from the control domain will not carry over to 
>>> the device names in the guest OS, as devices are named after the 
>>> device name (in this case vnet and c#d#s#) and enumerated based on 
>>> the instance order seen in path_to_inst which is inherited from the OBP. 
>>
>> Yes, I noticed that, and made a point to not name them vnet* in the 
>> control domain to highlight the change in name.
>>
>>
>>> Typically, what I do is this:
>>>
>>> <guest domain name>-vnet#
>>> <guest domain name>-vdsk#
>>>
>>> This way I keep the vnet and vdisk names in the control domain 
>>> readable and organized. As for the guest OS's, if the numeration is 
>>> important, add them in the order that will give you the 0,1,etc. 
>>> ordering that you'd like.
>>
>> So you are confirming what the customer complained about and what I 
>> saw. More-so, the order they are added is important. So if they want 
>> to maintain vdisks 0, 2, and 4 since that their current application 
>> configuration, they will have to keep something around to occupy 1 and 
>> 3, and (now I am speculating) if they make a change in the middle, 
>> they will have to remove all and add them again in the proper order 
>> (this may be their real issue). I will try this out some more--it may 
>> be easier with vdisks than vnets, as I could have dummy files with a 
>> single
>>  directory and file to help show changes.
>>
>> The customer is asking for an RFE to keep the ordering in place.
>>
> 
> What you want is 6801884 Removing a vdisk can change remaining disk 
> paths in guest domain
> (This is fixed in the soon-to-be-released LDoms 1.2). This allows you to 
> explicitly specify
> the instance number and prevents it being changed underneath you)
> 
> - Liam

Hi Liam, thanks. That sounds like it. Is this an ldm improvement or does 
it also require firmware update?

Thanks
Steffen


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