[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] blk_update_request: I/O error on NFS (was: [Xen-users] xen domU disk on nfs shared file)
On Tue, Jan 12, 2016 at 12:05:48PM +0000, Wei Liu wrote: > Drop xen-users@, CC xen-devel@ and blk maintainers, change title. > What is the MTU you are using? How do you mount the disk? > On Mon, Jan 11, 2016 at 03:08:24PM +0100, Kojedzinszky Richárd wrote: > > Dear all, > > > > We are facing a regular lockup with our xen setup. We have an nfs share > > mounted on the xen dom0, where the vm images are served, and those files are > > given to xen domUs. > > > > I was just preparing an experiment, where I created a 100G file on the host: > > # truncate -s 100G /srv/nfs/domU/disk2 > > And after added this disk to the instance's configuration. > > > > On the host this is the mountpoint: > > # mount|grep srv/xen > > 10.1.1.1:/mnt/main/vps on /srv/xen type nfs > > (rw,relatime,vers=3,rsize=16384,wsize=16384,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=10.1.1.1,mountvers=3,mountport=4045,mountproto=udp,local_lock=none,addr=10.1.1.1) > > > > After starting the instance I partitioned the disk with gdisk, and created > > an xfs fs on it. While the fs has been created well, strange messages > > appeared on the console: > > > > [ 23.787504] blk_update_request: I/O error, dev xvdc, sector 2048 > > [ 23.788904] blk_update_request: I/O error, dev xvdc, sector 8390655 > > [ 23.789611] blk_update_request: I/O error, dev xvdc, sector 16779262 > > [ 23.790359] blk_update_request: I/O error, dev xvdc, sector 25167869 > > [ 23.791148] blk_update_request: I/O error, dev xvdc, sector 33556476 > > [ 23.791498] blk_update_request: I/O error, dev xvdc, sector 41945083 > > [ 23.791498] blk_update_request: I/O error, dev xvdc, sector 50333690 > > [ 23.791498] blk_update_request: I/O error, dev xvdc, sector 58722297 > > [ 23.791498] blk_update_request: I/O error, dev xvdc, sector 67110904 > > [ 23.791498] blk_update_request: I/O error, dev xvdc, sector 75499511 > > > > I dont think that this is normal. If I chose a local block device (probably > > lvm) for the domU, this does not appear. > > > > The host is running xen-4.4 with 3.16.0-4-amd64 kernel (debian jessie > > stock), the domU is running 4.3.0-0.bpo.1-amd64 (jessie backport, 4.4.4). > > > > I suspect those messages should not be there. > > > > Regards, > > > > Kojedzinszky Richárd > > Euronet Magyarorszag Informatika Zrt. > > > _______________________________________________ > > Xen-users mailing list > > Xen-users@xxxxxxxxxxxxx > > http://lists.xen.org/xen-users > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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