Re: FreeBSD Xen Dom0 Support

2012-05-30 Thread Carsten Heesch
Hi, I answer to this mail because it's related to the discussion in this thread. As told I have my Debian Dom0s and now I wan't to create a FreeBSD Xen PV DomU. Does I really need a HVM guest like described here:

Re: FreeBSD Xen Dom0 Support

2012-05-28 Thread Carsten Heesch
Hi Lukas, [...] I don't know whether there is support for Xen Dom0 on FreeBSD. Unfortunately there isn't. I read that NetBSD support Xen Dom0 [...] I haven't tried myself, but apparently NetBSD works rather well as Dom0. That has long been on my list of things to test, though :) Not sure

Re: FreeBSD now available on all EC2 instance types

2012-01-17 Thread Carsten Heesch
What gave you that idea? The patches in that directory are the differences between the 9.0-RELEASE source tree and the one I used to build the AMI. Oh, must have been wishful thinking then that it might go into FreeBSD and not remain a bunch of separate patches... :) The csup'ed source

Re: Sync performance HAST and ggate/gmirror on Xen

2011-01-29 Thread Carsten Heesch
I'm experiencing dreadful performance (sync throughput less than 1MB/sec) with both replication options, and am not quite sure how to troubleshoot that, because the network speed between two DomU's is otherwise well beyond 50MB/sec. Have done some further testing. This only happens with

Re: I have a problem with iSCSI on AMD64 Xen HVM

2011-01-27 Thread Carsten Heesch
int max = 24 /* MAX_SKB_FRAGS + (rx-status = RX_COPY_THRESHOLD) */; I've just recompiled XENHVM setting this for a quick test: int max = MAX_SKB_FRAGS; Before, I was receiving said error message a lot; now it's gone. Also, throughput has massively increased! My test setup was: 2x

SCHED_ULE vs SCHED_4BSD for XENHVM domU

2009-10-29 Thread Carsten Heesch
Hi guys, After FreeBSD 8.0-RC2 is working well (for me) on Xen 3.3.1, I somehow made an interesting observation: Even if the FreeBSD domU does absolutely nothing, each of the assigned vCPUs will be reported by xentop as using 15%-25% CPU time. It doesn't matter, if domU is running with 1

SCHED_ULE vs SCHED_4BSD for XENHVM domU

2009-10-29 Thread Carsten Heesch
Hi guys, After FreeBSD 8.0-RC2 is working well (for me) on Xen 3.3.1, I somehow made an interesting observation: Even if the FreeBSD domU does absolutely nothing, each of the assigned vCPUs will be reported by xentop as using 15%-25% CPU time. It doesn't matter, if domU is running with 1