Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Hello, On 01/18/2012 12:39 PM, Alessandro Bono wrote: > Hi > > installing a kvm virtual machine on a drbd disk cause these logs on host > machine > > [2571736.830557] block drbd0: kvm[7083] Concurrent local write detected! [DISCARD L] new: 48981951s +32768; pending: 48981951s +32768 > [2571736.857671] block drbd0: kvm[7083] Concurrent local write detected! [DISCARD L] new: 48982015s +512; pending: 48982015s +512 > [2571736.884479] block drbd0: kvm[7083] Concurrent local write detected! [DISCARD L] new: 48982016s +3584; pending: 48982016s +3584 > [2571736.911285] block drbd0: kvm[7083] Concurrent local write detected! [DISCARD L] new: 48982023s +28672; pending: 48982023s +28672 > [2571798.062440] block drbd0: kvm[7080] Concurrent local write detected! [DISCARD L] new: 66639863s +4096; pending: 66639855s +8192 > [2571798.089232] block drbd0: kvm[7080] Concurrent local write detected! [DISCARD L] new: 66639871s +512; pending: 66639871s +512 > [2571798.116014] block drbd0: kvm[7080] Concurrent local write detected! [DISCARD L] new: 66639872s +3584; pending: 66639872s +3584 > [2571798.143110] block drbd0: kvm[7080] Concurrent local write detected! [DISCARD L] new: 66639879s +57344; pending: 66639879s +53248 > [2571932.144089] block drbd0: kvm[7080] Concurrent local write detected! [DISCARD L] new: 64914183s +24576; pending: 64914215s +65536 > [2572014.253295] block drbd0: kvm[7083] Concurrent local write detected! [DISCARD L] new: 78267975s +65536; pending: 78267975s +65536 > [2572317.294655] block drbd0: kvm[7083] Concurrent local write detected! [DISCARD L] new: 45901543s +12288; pending: 45901543s +12288 > [2572346.510458] block drbd0: kvm[7080] Concurrent local write detected! [DISCARD L] new: 64619831s +65536; pending: 64619831s +65536 > [2572402.322369] block drbd0: kvm[7082] Concurrent local write detected! [DISCARD L] new: 64818567s +61440; pending: 64818567s +61440 > [2572402.349160] block drbd0: kvm[7082] Concurrent local write detected! [DISCARD L] new: 64818687s +512; pending: 64818687s +512 > [2572402.376182] block drbd0: kvm[7082] Concurrent local write detected! [DISCARD L] new: 64818688s +3584; pending: 64818688s +3584 > [2572403.429157] block drbd0: kvm[7082] Concurrent local write detected! [DISCARD L] new: 64896055s +65536; pending: 64896055s +65536 > [2572422.493968] block drbd0: kvm[7080] Concurrent local write detected! [DISCARD L] new: 57422703s +65536; pending: 57422703s +65536 > [2572889.505644] block drbd0: kvm[7080] Concurrent local write detected! [DISCARD L] new: 75415135s +65536; pending: 75415135s +65536 > > on mailing list I found some reference to iscsi not on a vm directly > installed on drbd > > vm guest is a windows 2003 server r2 with virtio disk drivers Are you using latest version of the virtio drivers and do the errors also occur if you run the machine without them? > vm host is an ubuntu server with kernel 2.6.38-13 and drbd 8.3.12 from git > qemu-kvm 0.12.3+noroms-0ubuntu9.16 can you show us the options you use to start the VM ... or a "virsh dumpxml" output > > cat /proc/drbd > version: 8.3.12 (api:88/proto:86-96) > GIT-hash: 465da64362f0aece357e9015c50ed849e2458abd debian/changelog > debian/control build by root at nebbiolo-dev, 2011-12-29 16:00:53 ... is this the complete config? Please show us a "drbdadm dump all" and the full "cat /proc/drbd" Regards, Andreas -- Need help with DRBD? http://www.hastexo.com/now > > > cat /etc/drbd.d/r0.res > resource r0 { > syncer { > rate 25M; > csums-alg sha1; > verify-alg sha1; > } > > net { > cram-hmac-alg "sha1"; > shared-secret "xxxxxxxxxx"; > } > > disk { > no-disk-flushes; > no-md-flushes; > } > > on ga1 { > device /dev/drbd0; > disk /dev/ga1/winsrv; > address 10.12.24.242:7788; > meta-disk internal; > } > > on ga2 { > device /dev/drbd0; > disk /dev/ga2/winsrv; > address 10.12.24.243:7788; > meta-disk internal; > } > > } > > > Is there a workaround/solution? > > thanks > -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 286 bytes Desc: OpenPGP digital signature URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20120119/8460f4a3/attachment.pgp>