search for: mmcgrath

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2008 Dec 28
0
Slow disk IO
...ifferent utilization on the domU then the dom0. I''ve attached to the disk with: "phy:/dev/PowerVault00/KojiShare,xvdb1,w" That logical volume has a physical volume of an attached 15 disk raid6 array (an MD1000 from dell). Here is the sar data I''m referencing: http://mmcgrath.fedorapeople.org/dom0 and http://mmcgrath.fedorapeople.org/domU The disk does have one other guest attached to it but that guest has very little disk IO. Other items of note: the data periods above happened during a bacula backup. I would have expected much higher data throughput. We''...
2010 Jan 24
8
ip conntrack table full
xen-3.0.3-94.el5_4.2 2.6.18-164.6.1.el5xen RHEL5.4 x86_64 I''ve got a dom0 that does nothing but have a DomU created. The DomU gets plenty of load. Over time, the dom0''s ipconntrack table fills up but not the DomU. Once it gets full I can restart iptables and it''s fine. The strange thing is this only happens on hosts I have provided (hardware and hosting) from one
2007 Jun 19
11
Fileserver scalability
I just talked to Mike McGrath from Fedora Infrastructure, and he told me that they are seeing load spikes (not quite performance problems yet, but definitely a concern) in their setup. As an example, the graph [1] shows a typical client - the spikes from 16:00 to 8:00 are almost exclusively puppetd doing its thing. It seems that the most likely culprit is the fileserver - they serve 500-1500
2009 May 11
1
[PATCH server] Lower apache retry interval
This will cause apache to try reconnecting more often to the ovirt backend so when it restarts, it's less noticeable to the user. --- a/conf/ovirt-server.conf +++ b/conf/ovirt-server.conf @@ -21,7 +21,7 @@ NameVirtualHost AdminNetIpAddress:80 TransferLog /etc/httpd/logs/access_log LogLevel warn - ProxyPass /ovirt http://AdminNodeFQDN/ovirt + ProxyPass /ovirt
2009 May 21
1
[PATCH server] Fix for anyterm and multiple nodes
proxy/anyterm needs to go to the node that has our vm on it, not vmnodes:anyterm. This patch also requires a change to the anyterm.js file that ships with anyterm. The change is at the top: - var url_prefix = proxy/; + var url_prefix = window.location.pathname + /proxy/; Not quite sure how we're going to manage that change though. --- conf/ovirt-server.conf | 3 ++- 1 files changed, 2
2009 May 21
2
[PATCH server] Fix anyterm for multinode support
Changed relative pathing issue for anyterm.js to work properly Changed /proxy/anyterm-module so it gets piped through vmnodes:$1 instead of through vmnodes:anyterm --- conf/ovirt-server.conf | 6 ++++-- src/app/controllers/vm_controller.rb | 2 +- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/conf/ovirt-server.conf b/conf/ovirt-server.conf index