Displaying 3 results from an estimated 3 matches for "bufferednic".
2012 Apr 19
3
Remus' Network Buffering
Hi,
I am trying to understand and change the network buffering that is being used by Remus, the HA solution present in Xen. From what i understood from reading the code, Remus calls the postsuspend method of the BufferedNIC after it suspends the domain that sends TC_PLUG_CHECKPOINT message and start the buffering and then calls the commit method of BufferedNIC after it gets the acknowledgement that sends the TC_PLUG_RELEASE message and releases the buffered packets. I have the following doubts
1) How does remus ensure...
2010 Nov 16
4
Remus crashes
...roken pipe):
Internal error
tc filter del dev vif1.0 parent ffff: proto ip pref 10 u32
RTNETLINK answers: Invalid argument
We have an error talking to the kernel
Exception xen.remus.util.PipeException: PipeException(''tc failed: 2, No
such file or directory'',) in <bound method BufferedNIC.__del__ of
<xen.remus.device.BufferedNIC object at 0x7f27844df210>> ignored
I have tried to pin one physical core to Domain 0 and another one to the
protected domain, using vcpu-pin but it doesn''t help.
Currently I am running the Xen-unstable tree (last updated 3-4 days
ago),...
2010 Dec 21
4
tap2:remus:backup_ip:9000|aio:/path_to_disk.img not working - OSError: [Errno 2] No such file or directory
Hello,
I''m using Xen (installed from source - "hg clone
http://xenbits.xen.org/xen-4.0-testing.hg") on Debian Lenny. Dom0 kernel is
2.6.32-bpo.5-xen-686.
Until now I have successfully ran the Lucid Ubuntu as domU guest, defining
disks as (and also as file:):
disk = [''tap2:aio:/home/xen/domains/lucid/disk.img,xvda1,w'',