Hello, El 12/01/16 a les 13.05, Wei Liu ha escrit: > Drop xen-users@, CC xen-devel@ and blk maintainers, change title. > > 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. Have you tried creating the file with dd instead of truncate? (so it's not sparse) >> 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: AFAICT this is the guest console. Is there any corresponding error on the host 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. IIRC Xen 4.4 still uses Qemu (Qdisk) for raw disks, do you have any kind of errors/warnings in /var/log/xen/qemu-dm-<domain_name>.log? Roger. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
