Re: [kvm-devel] a few may be wiki question

2007-08-15 Thread Gregory Haskins
On Wed, 2007-08-15 at 15:52 +0200, Farkas Levente wrote: > Gregory Haskins wrote: > > > > On thing that is interesting about this (to me) is that, in a way it > > kind of is a "poor mans" swap for the guests memory on the host. E.g. > > you could give your guests a really small amount of "physica

Re: [kvm-devel] a few may be wiki question

2007-08-15 Thread Farkas Levente
Gregory Haskins wrote: > On Wed, 2007-08-15 at 11:07 +0300, Avi Kivity wrote: >> Farkas Levente wrote: >>> this rise another question if swapping will be used the it moves the >>> guest memory to the guest's swap or the host's swap? if to the host's >>> swap then this implies i should have to alloc

Re: [kvm-devel] a few may be wiki question

2007-08-15 Thread Gregory Haskins
On Wed, 2007-08-15 at 11:07 +0300, Avi Kivity wrote: > Farkas Levente wrote: > > this rise another question if swapping will be used the it moves the > > guest memory to the guest's swap or the host's swap? if to the host's > > swap then this implies i should have to allocate large enough swap for

Re: [kvm-devel] a few may be wiki question

2007-08-15 Thread Avi Kivity
Farkas Levente wrote: > Avi Kivity wrote: > >> There are two answers to this: >> >> - balloon driver (like in Xen) which allows the host to move memory from >> one guest to another (or from host to guest) >> - swapping, which allows the host to move guest memory to disk and >> allocate it to ano

Re: [kvm-devel] a few may be wiki question

2007-08-15 Thread Farkas Levente
Avi Kivity wrote: > There are two answers to this: > > - balloon driver (like in Xen) which allows the host to move memory from > one guest to another (or from host to guest) > - swapping, which allows the host to move guest memory to disk and > allocate it to another guest > > Unfortunately the

Re: [kvm-devel] a few may be wiki question

2007-08-14 Thread Avi Kivity
Farkas Levente wrote: > Avi Kivity wrote: > >> There are two answers to this: >> >> - balloon driver (like in Xen) which allows the host to move memory from >> one guest to another (or from host to guest) >> - swapping, which allows the host to move guest memory to disk and >> allocate it to ano

Re: [kvm-devel] a few may be wiki question

2007-08-14 Thread Farkas Levente
Avi Kivity wrote: > There are two answers to this: > > - balloon driver (like in Xen) which allows the host to move memory from > one guest to another (or from host to guest) > - swapping, which allows the host to move guest memory to disk and > allocate it to another guest > > Unfortunately the

Re: [kvm-devel] a few may be wiki question

2007-08-14 Thread Avi Kivity
Farkas Levente wrote: >> >>> - is dynamic use of RAM for host operating system supported? >>> >>> >> What's that? >> > > ok i try explain our plan and ask a better question about the memory > setup. this may clean things a bit. i like to setup a server for the > development dept. w

Re: [kvm-devel] a few may be wiki question

2007-08-14 Thread Farkas Levente
hi, first of all thanks for the quick reply! Avi Kivity wrote: > Farkas Levente wrote: >> - i read in faq 3.6: >> "for the host. 1GB is probably a minimum configuration for the host >> OS." >> does this means i have to reserve 1GB for the host os? >> > > No. That is the total a

Re: [kvm-devel] a few may be wiki question

2007-08-14 Thread Gregory Haskins
On Tue, 2007-08-14 at 15:50 +0300, Avi Kivity wrote: > Farkas Levente wrote: > > hi, > > i try to setup a centos host server with kvm and a few guest os for the > > first time. imho there is only a very limited docs about kvm (even if i > > try to read them:-). so there are a few general questions:

Re: [kvm-devel] a few may be wiki question

2007-08-14 Thread Avi Kivity
Farkas Levente wrote: > hi, > i try to setup a centos host server with kvm and a few guest os for the > first time. imho there is only a very limited docs about kvm (even if i > try to read them:-). so there are a few general questions: > - which is the recommended host config?: > - should i used

[kvm-devel] a few may be wiki question

2007-08-14 Thread Farkas Levente
hi, i try to setup a centos host server with kvm and a few guest os for the first time. imho there is only a very limited docs about kvm (even if i try to read them:-). so there are a few general questions: - which is the recommended host config?: - should i used x86_64 or i386 host kernel? i don