[Users] Ovirt Node install to USB stick - required 70GB disk space?

[Jure Kranjc]

Thanks, that was the problem and the solution.
Found the post, it's easier to find something when you know what you are 
looking for.

On 7.1.2013 16:17, Jorick Astrego wrote:
> On 01/07/2013 02:19 PM, Joey Boggs wrote:
>> On 01/07/2013 07:33 AM, Alexandre Santos wrote:
>>> 2013/1/7 Jure Kranjc <jure.kranjc at arnes.si>:
>>>> Hi,
>>>>
>>>> has anybody installed ovirt-node on a bootable usb stick? If the 
>>>> hypervisor
>>>> is less than 1GB in size, why does installation require 70GB of 
>>>> disk space?
>>>> It would be perfect to run nodes from usb without any disks.
>>>>
>>>> Thanks
>>>> Jure Kranjc
>>>>
>>> Sorry for not asnwering to the list, here are my previous post:
>>>
>>> "How much memory do you have? It seems that it's calculating how much
>>> swap it will need and turns that needs at least 70 GB disk space."
>>>
>>> There is a thread in this forum that has the calculations that ovirt
>>> does for it. You can change this values on the boot options.
>>>
>>> Alex
>> Those values are also shown on the installer screen right before 
>> entering the password and can be changed
>
> As sometimes searching the list can be a pain, I'll just repost it:
>
>> You can do this with 2 different methods, both of which are on the 
>> kernel command line during boot. Simply hit TAB when you're selecting 
>> the install option and add one of the options below to the command line.
>>
>> 1.  You can set " storage_vol=:XXX:::: "  where XXX is the desired 
>> size of the SWAP partition in MB.  It has a minimum size of 5MB.
>>    This lets you set a static size for swap.
>>
>> 2.  You can set mem_overcommit=0.  This will change our calculation 
>> to not add any swap for overcommit.  It will still calculate a value 
>> based on the amount of RAM, but not as large as with the overcommit.
>>
>> The swap size is calculated at mem_overcommit*RAM + <BASE_SWAP>
>>
>> BASE_SWAP is calculated using this formula:
>>
>> if MEM_SIZE < 4GB:
>>      BASE_SWAP = 2GB
>> elif MEM_SIZE < 16GB:
>>      BASE_SWAP = 4GB
>> elif MEM_SIZE < 64GB:
>>      BASE_SWAP = 8GB
>> else:
>>      BASE_SWAP = 16GB
>>
>>
>> We are planning to expose these option in the TUI installer, just not 
>> there yet.
>>
>> Mike
>