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Hi,
I know that Xen is usually better than OpenVZ as the provider cannot oversell in Xen.
However, what is the difference between Xen PV, Xen KVM and HVM (I was going through this provider's specs? Which one is better for what purposes and why?
Edit:
For an end-user who will just be hosting…
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I have just got a new machine to run XEN VM's on, it has an Intel i7 processor:
- Intel Haswell Core i7-4790 3.6GHz 8MB LGA1150
I have setup the host with the current 6.2.0
I have set up a new Debian 7 64bit VM and any package I try and run fails with the following errors:
Errors were encountered…
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My DomUs on a Xen 3.4 on an RHEL5 are crashing when too much memory is needed:
(XEN) p2m_pod_demand_populate: Out of populate-on-demand memory!
(XEN) domain_crash called from p2m.c:1091
(XEN) Domain 15 (vcpu#3) crashed on cpu#2:
(XEN) ----[ Xen-3.4.0 x86_64 debug=n Not tainted ]----
(XEN) CPU:…
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I've been setting up this Debian Stable system with a dom0 and 3 domUs. It was working fine for several days, and I'm almost ready to deploy it to the rack. But last night I shut it down with all three domUs still running for the first time, and today when I started it up, xend won't start. In…
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I am having the followig problem with an OenSuSE + Heartbeat + Pacemaker + Xen HA cluster: when the node a Xen domU is running on is "dead"
the Xen domU running on it is not restarted on the second node.
The cluster is setup with two nodes, each running OpenSuSE-11.3, Heartbeat 3.0, and Pacemaker…
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I'm trying to set up two machines synchonizing with DRBD. The storage is setup as follows: PV - LVM - DRBD - CLVM - GFS2.
DRBD is set up in dual primary mode. The first server is set up and running fine in primary mode. The drives on the first server have data on them. I've set up the second…
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Hi, everyone
I've setup a drbd replication between two machines and used a drbd block device as storage for a kvm machine. Everything is running well. However I'm in doubt if this setup is ok to use. From what I've read so far on the internet, people tend to use drbd-ospf-qcow2_file as storage for…
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I'm testing setting up a Xen DomU with a DRBD storage for easy failover. Most of the time, immediatly after booting the DomU, I get an IO error:
[ 3.153370] EXT3-fs (xvda2): using internal journal
[ 3.277115] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 3.336014] nf_conntrack version 0…
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I see a much larger performance hit with DRBD than their user manual says I should get. I'm using DRBD 8.3.7 (Fedora 13 RPMs).
I've setup a DRBD test and measured throughput of disk and network without DRBD:
dd if=/dev/zero of=/data.tmp bs=512M count=1 oflag=direct
536870912 bytes (537 MB) copied…
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Some version info:
Operating system is Ubuntu 11.10, on EC2, kernel is 3.0.0-16-virtual and the application info is:
Version: 8.3.11 (api:88)
GIT-hash: 0de839cee13a4160eed6037c4bddd066645e23c5 build by buildd@allspice, 2011-07-05 19:51:07
Getting some strange errors in dmesg (seen below) as well…
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