When I attempt to set up remus between two machines I get an error in the remus
log file, I can''t understand why it occurs, I have the same vms running
on both systems, so attempted replication shouldnt be an issue. The Log file is
as follows:
Disk is not replicated: phy:/dev/loop0,xvda,w
Disk is not replicated: phy:/dev/loop1,xvdb,w
tc qdisc add dev vif1.0 ingress
RTNETLINK answers: File exists
tc filter add dev vif1.0 parent ffff: proto ip pref 10 u32 match u32 0 0 action
mirred egress redirect dev ifb0
RTNETLINK answers: No such file or directory
We have an error talking to the kernel
Traceback (most recent call last):
File "/usr/bin/remus", line 219, in <module>
run(cfg)
File "/usr/bin/remus", line 125, in run
bufs.append(BufferedNIC(vif))
File "/usr/lib64/python2.6/site-packages/xen/remus/device.py", line
326, in __init__
self.setup()
File "/usr/lib64/python2.6/site-packages/xen/remus/device.py", line
358, in setup
self.bufdev.install(self.vif)
File "/usr/lib64/python2.6/site-packages/xen/remus/device.py", line
184, in install
''dev %s'' % (vif.dev, self.devname))
File "/usr/lib64/python2.6/site-packages/xen/remus/util.py", line
71, in runcmd
proc.returncode)
xen.remus.util.PipeException: tc failed (errmsg: RTNETLINK answers: No such file
or directory
We have an error talking to the kernel): 2, No such file or directory
The remus command used to get this file is as follows:
remus -i 100 sles11-sp1-xm BackupMachineIP
>/var/log/xen/domU-sles11-sp1-24-09-12.log 2>&1 &
BackupMachineIP is setup as the name for the IP address of the backup device,
the contents of xm list and the loopback device setups on each machine are as
follows:
xm list
Primary:
Name ID Mem VCPUs State Time(s)
Domain-0 0 1036702 8 r----- 411617.9
sles11-sp1 512 4 0.0
sles11-sp1-xm 1 256 1 -b---- 77.0
sles11-sp2 512 4 0.0
sles11-sp2-xm 2 256 1 -b---- 62.0
Secondary:
Name ID Mem VCPUs State Time(s)
Domain-0 0 1400 2 r----- 73.1
sles11-sp1-xm 1 256 1 -b---- 11.6
sles11-sp2-xm 2 256 1 -b---- 14.0
losetup
Primary:
/dev/loop0: [0808]:337772 (/tmp/base/sles11sp1/sles11sp1.img)
/dev/loop1: [0808]:337773 (/tmp/base/sles11sp1/swap)
/dev/loop2: [0808]:337779 (/tmp/base/sles11sp2/sles11sp2.img)
/dev/loop3: [0808]:337780 (/tmp/base/sles11sp2/swap)
Secondary:
/dev/loop0: [0805]:2109411 (/tmp/base/sles11sp1/sles11sp1.img)
/dev/loop1: [0805]:2109412 (/tmp/base/sles11sp1/swap)
/dev/loop2: [0805]:1840010 (/tmp/base/sles11sp2/sles11sp2.img)
/dev/loop3: [0805]:1840012 (/tmp/base/sles11sp2/swap)
Conor, Winchcombe
SAP Research Belfast
SAP (UK) Limited I The Concourse I Queen''s Road I
Queen''s Island I Belfast BT3 9DT
mailto: conor.winchcombe@sap.com<mailto:conor.winchcombe@sap.com> I
www.sap.com/research<http://www.sap.com/research>
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