Hi Gregg,
did you have a look if swap space is used during your dd run?
If it is not in use, then the question is, if the problem is restricted
to swap space? Did you test your other lvm (it's lvm, isn't it?) volumes
as well?
Dirk
Michael Gregg schrieb:
I'm using debian stable with a recompiled xen dom0 kernel.
running debian on any domu.
My partitions are drives created with lwm.
I'm having problems with my swap partiton getting corrupted. When I get
the problem, if I pull the data from the swap with dd and get errors. If
I wait a few minutes, the problems go away.
Has anybody seen this? Does anybody have any idea on howto solve this?
Please ask questions if you need more information.
problem observed:
mg-gws:~# dd if=/dev/sda2 of=/dev/null
end_request: I/O error, dev sda2, sector 5080
end_request: I/O error, dev sda2, sector 5120
end_request: I/O error, dev sda2, sector 5208
end_request: I/O error, dev sda2, sector 5296
end_request: I/O error, dev sda2, sector 5384
end_request: I/O error, dev sda2, sector 5392
end_request: I/O error, dev sda2, sector 5424
end_request: I/O error, dev sda2, sector 5464
end_request: I/O error, dev sda2, sector 5552
end_request: I/O error, dev sda2, sector 5640
2097152+0 records in
2097152+0 records out
1073741824 bytes transferred in 10.769949 seconds (99697949 bytes/sec)
1 minute after problem.
mg-gws:~# dd if=/dev/sda2 of=/dev/null
2097152+0 records in
2097152+0 records out
1073741824 bytes transferred in 10.769949 seconds (99697949 bytes/sec)
My xen config is as follows:
# Creator: michael gregg
# Creation Date: Wed Oct 26 11:51:54 PDT 2005
# contact email: mgregg -at- propel.com
# created with: CreateXenVm mg-gws 192 michael gregg
#
vif = ['mac=42:42:00:80:01:92']
interface = "eth0"
memory = 128
name = "mg-gws"
kernel = "/boot/xen-linux-2.6.11-ocxenu"
disk = ['phy:vg/mg-gws_data,sda1,w' ,'phy:vg/mg-gws_swap,sda2,2']
root = "/dev/sda1"
# assigned IP Address: 172.16.80.192
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