Re: [uml-user] The max instance of uml is limited by memory and disk size ?

2011-12-12 Thread rouvas
clow...@clownix.net wrote: > > Hello, > For UML machines, you have to look carefully at the /dev/shm value with > df, if the used up /dev/shm gets too high, new UML cannot be launched. Excuse a newbie question, but if I understand correctly your statement, then the following: host@:~# df -h Files

Re: [uml-user] The max instance of uml is limited by memory and disk size ?

2011-12-12 Thread ning ji
Thanks for the info, that's a great help. BTW, 1. when i change "mem=128M" to "mem=64M", seems it didn't help, still uses the same amount of /dev/shm.why ? 2. Where did you learn the /dev/shm info for uml ? Have a nice day ! > Date: Sun, 11 Dec 2011 03:20:44 -0600 > Subject: Re: [uml-user]

Re: [uml-user] The max instance of uml is limited by memory and disk size ?

2011-12-12 Thread clownix
I do not remember when I first had this problem, but I made cloonix, a virtual network and I have always tried to have many machines in one PC, uml, kvm or lxc machines in a cloonix network. The uml need shared memory because the processes inside a vm are processes of the host and they have to "s

Re: [uml-user] The max instance of uml is limited by memory and disk size ?

2011-12-12 Thread clownix
I do not know exactly how much shm is taken in that case, just try to launch the uml it an see the percent taken from shm. UML has to have shm, this is all I know. > clow...@clownix.net wrote: >> >> Hello, >> For UML machines, you have to look carefully at the /dev/shm value with >> df, if the us