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Re: [Xen-API] XCP 1.0-beta: md on dom0 kernel causes kernel oops
Hi guys, On 12/02/2010 01:52 AM, Simon Rowe wrote:
On Wednesday 01 Dec 2010 16:49:42 Jonathan Ludlam wrote:Hum. I'm not too sure myself about kernel issues - Simon Rowe (cc'd) may be able to help?Can you describe your setup a little more? What devices are under md?
Thanks for following up on this. I tried the following two and both ended up with Oops. 1. just two regular HDDs --- /dev/sdc and /dev/sde or whatever. Here's how I reproduced just now.Very soon after dd, kernel panics.$ mdadm --create /dev/md0 --level=mirror --raid-devices=2 /dev/sdc /dev/sde mdadm: /dev/sdc appears to be part of a raid array:
level=raid1 devices=2 ctime=Mon Nov 29 15:52:53 2010 mdadm: /dev/sde appears to be part of a raid array: level=raid1 devices=2 ctime=Mon Nov 29 09:34:34 2010 Continue creating array? y mdadm: array /dev/md0 started. $ dd if=/dev/zero of=/dev/md0 bs=1M
2. dm linear devices which are on top of iscsi mdadm --create /dev/mirror/000008bc --auto=md --bitmap=internal --metadata=0 --run --bitmap-chunk=65536 --delay=5 --level=1 --assume-clean --raid-devices=3 /dev/mapper/00000001-00000003 /dev/mapper/00000002-000002d7 /dev/mapper/00000003-0000050a Interestingly, his doesn't cause kernel panic; similar stack trace shows up in dmsg and mdadm stalls. Best, Tomoe _______________________________________________ xen-api mailing list xen-api@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/mailman/listinfo/xen-api
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