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

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(a)arnes.si&gt;: >>> 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