Virtualization versus jails [was Re: Creating and copying jail images]

2007-08-14 Thread Angel Martin Alganza
Hello everybody, On Fri, Aug 10, 2007 at 01:13:42PM -0500, Josh Paetzel wrote: I've been searching for a way to create and copy jail images around for some time now and I've found a solution that works for me and Supposing one doesn't need to run different operating systems or even different

Re: Virtualization versus jails [was Re: Creating and copying jail ?images]

2007-08-14 Thread Oliver Fromme
Angel Martin Alganza wrote: Supposing one doesn't need to run different operating systems or even different kernel versions of the same OS, are there any advantages of virtualization (Xen) over jails? Both can be copied, moved around, switched on/off, replaced with almos 0 downtime, etc.

Re: Virtualization versus jails

2007-08-14 Thread Dag-Erling Smørgrav
Oliver Fromme [EMAIL PROTECTED] writes: Jails don't give you a perfect separation. Jails still run under the same kernel as the host system, and if there's a bug somewhere, you're out of luck. You can also run into various kinds of resource starvation with jails, i.e. jails can use up shared