Frédéric VANNIÈRE wrote:
Hello,
I'm building a "Sun Cloud" based on Sun hardware and software for hosting.
The storage will be, of course, a Sun Storage 7000 iSCSI (2xGbE MPxIO), the
hosts servers will be Sun Fire X4170 with either :
- Linux/Debian + XenSource + OpenVSwitch (citrix project)
- or OpenSolaris + xVM + crossbow
I prefer the xVM solution because it's integrated to OpenSolaris, uses
libvirt
and supports out of the box network virtualization.
The guests (domU) will be only paravirtualized Debian with custom kernel,
and maybe some OpenSolaris x86pv (I will use zones for Solaris/OpenSolaris
guests).
The features that are mandatory are :
- PV guest support (local kernel, no pygrub)
local kernel (on dom0) won't be great for Solaris..
- Live migration
- Virtualized network (bonding, spanning-tree, vlans, bw limiting,
accounting)
- API for remote management (libvirt is ok)
- stability and performance (200+ managed guests on 5 hosts)
My tests are done now with OpenSolaris 2010.02-snv_124 (Xen 3.3.2), it
works
well but I have not tested the network and performances.
So, is xVM (snv_124) stable enough for production ?
It's a development build. You will have to make your own determination
there... I have been happy with it, but I'm not using it in production :-)
When will xvm-3.4 come to OpenSolaris ?
3.4 is in testing... When we get through the qual, it will go back...
There are 4 or 5 stopper bugs right now with more testing left to
complete.
We broke this one into multiple putbacks.. We've pushed updates to
the vdisk code and libvirt code already. Only the xen portion is left.
Why is Sun using virtualbox for his cloud ?
Reference? I don't know what it will or will not be using...
VirtualBox works really nice for environments where a graphics head
is important. But you will get a decent hit on I/O performance
and SMP performance.
I wouldn't be surprised to see a mixture of both depending on what
problem your trying to solve... But I don't have any knowledge either
way...
MRJ
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