search for: xenballoon

As I understand concept of xenballooning, it allow to take memory from guest and return it to hypervisor. This allow to reduce amount of memory allocated to VM in realtime without rebooting VM. But how we can add more memory to guest VM in realtime, than was at boot time? Can we somehow make balloon inflated at start time? (F.e. VM s...

hi folks, after upgrading the host, hp dl 160 g6, from 24 gb ram udims to 36gb ram rdims my debian wont start up anymore. the debian crashes and reboots after starting to load xen drivers. when i boot my debian host with the default kernel, no problem, startup and loging ok. any glue from anyone? thanks a lot for some hints :-)

This is probably a really stupid question, but what happens if you have more memory allocated to domU''s than your physical RAM? Will that cause dom0 to crash? DomU''s to crash? Or just slow performance due to swap use on dom0? I ask this because we''ve got high availability clusters running domU''s, and I want to know how much memory is safe to allocate to

Hi There . As from what I see, my system is not seeing all the available ( 4GB ) o memory, does xen take some for it''s own? Am I missing something in the kernel? netwarrior build-linux-2.6-pvops_x86_64 # dmesg |grep -i memo released 151863 pages of unused memory initial memory mapped : 0 - 20000000 init_memory_mapping: 0000000000000000-00000000aff90000 Memory: 2749108k/2883136k

The following series flushes my documentation queue and replaces previous postings of those patches. The main difference is that the xl cfg file is now formatted using POD instead of markdown and presented as a manpage. I have setup a cron job to build docs/html and publish it at http://xenbits.xen.org/docs/unstable/ (it''s a bit bare right now). The motivation for some of these patches