After upgrade, dist upgrade to PVE 4.4 and drbdmanage-proxmox
install, the KVM VMs don't start anymore at boot, they start only if
are on primary node, and when started don't migrate for priaery node
to secondary, even in HA.
The error messages from PVE are:
kvm: -drive
file=/dev/drbd/by-res/vm-104-disk-1/0,if=none,id=drive-scsi0,format=raw,cache=none,aio=native,detect-zeroes=on:
Could not open '/dev/drbd/by-res/vm-104-disk-1/0': No such file or
directory
TASK ERROR: start failed: command '/usr/bin/kvm -id 104 -chardev
'socket,id=qmp,path=/var/run/qemu-server/104.qmp,server,nowait' -mon
'chardev=qmp,mode=control' -pidfile /var/run/qemu-server/104.pid
-daemonize -smbios 'type=1,uuid=72d4bc28-b877-413a-9750-e7bf97938abb'
-name php4i386 -smp '1,sockets=1,cores=1,maxcpus=1' -nodefaults -boot
'menu=on,strict=on,reboot-timeout=1000,splash=/usr/share/qemu-server/bootsplash.jpg'
-vga cirrus -vnc unix:/var/run/qemu-server/104.vnc,x509,password -cpu
kvm64,+lahf_lm,+sep,+kvm_pv_unhalt,+kvm_pv_eoi,enforce -m 2048 -k it
-device 'pci-bridge,id=pci.2,chassis_nr=2,bus=pci.0,addr=0x1f'
-device 'pci-bridge,id=pci.1,chassis_nr=1,bus=pci.0,addr=0x1e'
-device 'piix3-usb-uhci,id=uhci,bus=pci.0,addr=0x1.0x2' -device
'usb-tablet,id=tablet,bus=uhci.0,port=1' -device
'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3' -iscsi
'initiator-name=iqn.1993-08.org.debian:01:af80fcb2976' -drive
'if=none,id=drive-ide2,media=cdrom,aio=threads' -device
'ide-cd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=200'
-device 'virtio-scsi-pci,id=scsihw0,bus=pci.0,addr=0x5' -drive
'file=/dev/drbd/by-res/vm-104-disk-1/0,if=none,id=drive-scsi0,format=raw,cache=none,aio=native,detect-zeroes=on'
-device
'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,bootindex=100'
-netdev
'type=tap,id=net0,ifname=tap104i0,script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown,vhost=on'
-device
'virtio-net-pci,mac=6E:23:50:8A:35:50,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=300'
-machine 'type=pc-i440fx-2.7' -incoming
unix:/run/qemu-server/104.migrate -S' failed: exit code 1
and trying to migrate a started VM in HA:
task started by HA resource agent
Jan 13 19:13:47 starting migration of VM 104 to node 'mpve1' (82.xx.xx.xx)
Jan 13 19:13:47 copying disk images
Jan 13 19:13:47 starting VM 104 on remote node 'mpve1'
Jan 13 19:13:50 start failed: command '/usr/bin/kvm -id 104 -chardev
'socket,id=qmp,path=/var/run/qemu-server/104.qmp,server,nowait' -mon
'chardev=qmp,mode=control' -pidfile /var/run/qemu-server/104.pid
-daemonize -smbios 'type=1,uuid=72d4bc28-b877-413a-9750-e7bf97938abb'
-name php4i386 -smp '1,sockets=1,cores=1,maxcpus=1' -nodefaults -boot
'menu=on,strict=on,reboot-timeout=1000,splash=/usr/share/qemu-server/bootsplash.jpg'
-vga cirrus -vnc unix:/var/run/qemu-server/104.vnc,x509,password -cpu
kvm64,+lahf_lm,+sep,+kvm_pv_unhalt,+kvm_pv_eoi,enforce -m 2048 -k it
-device 'pci-bridge,id=pci.2,chassis_nr=2,bus=pci.0,addr=0x1f'
-device 'pci-bridge,id=pci.1,chassis_nr=1,bus=pci.0,addr=0x1e'
-device 'piix3-usb-uhci,id=uhci,bus=pci.0,addr=0x1.0x2' -device
'usb-tablet,id=tablet,bus=uhci.0,port=1' -device
'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3' -iscsi
'initiator-name=iqn.1993-08.org.debian:01:af80fcb2976' -drive
'if=none,id=drive-ide2,media=cdrom,aio=threads' -device
'ide-cd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=200'
-device 'virtio-scsi-pci,id=scsihw0,bus=pci.0,addr=0x5' -drive
'file=/dev/drbd/by-res/vm-104-disk-1/0,if=none,id=drive-scsi0,format=raw,cache=none,aio=native,detect-zeroes=on'
-device
'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,bootindex=100'
-netdev
'type=tap,id=net0,ifname=tap104i0,script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown,vhost=on'
-device
'virtio-net-pci,mac=6E:23:50:8A:35:50,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=300'
-machine 'type=pc-i440fx-2.7' -incoming
unix:/run/qemu-server/104.migrate -S' failed: exit code 1
Jan 13 19:13:50 ERROR: online migrate failure - command '/usr/bin/ssh
-o 'BatchMode=yes' [email protected] qm start 104 --skiplock
--migratedfrom mpve3 --migration_type secure --stateuri unix
--machine pc-i440fx-2.7' failed: exit code 255
Jan 13 19:13:50 aborting phase 2 - cleanup resources
Jan 13 19:13:50 migrate_cancel
Jan 13 19:13:51 ERROR: migration finished with problems (duration 00:00:04)
TASK ERROR: migration problems
It's true that /dev/drbd/by-res/vm-104-disk-1/0': No such file or directory
Trying to locate vm-104-disk this is the output:
root@mpve1:/dev/drbd/by-disk/drbdpool# locate vm-104-disk
/dev/drbdpool/vm-104-disk-1_00
/var/lib/drbd.d/drbdmanage_vm-104-disk-1.res.q
Cheching DRBD all seem ok.
root@mpve1:~# drbd-overview
0:.drbdctrl/0 Connected(3*) Seco(mpve2,mpve1)/Prim(mpve3)
UpTo(mpve1)/UpTo(mpve3,mpve2)
1:.drbdctrl/1 Connected(3*) Seco(mpve2,mpve1)/Prim(mpve3)
UpTo(mpve1)/UpTo(mpve3,mpve2)
root@mpve1:~# drbdsetup status
.drbdctrl role:Secondary
volume:0 disk:UpToDate
volume:1 disk:UpToDate
mpve2 role:Secondary
volume:0 peer-disk:UpToDate
volume:1 peer-disk:UpToDate
mpve3 role:Primary
volume:0 peer-disk:UpToDate
volume:1 peer-disk:UpToDate
root@mpve1:~# drbdmanage list-nodes
+------------------------------------------------------------------------------+
| Name | Pool Size | Pool Free |
| State |
|------------------------------------------------------------------------------|
| mpve1 | 7612664 | 7297499 |
| ok |
| mpve2 | 7612664 | 7252584 |
| ok |
| mpve3 | 7612664 | 7252584 |
| ok |
+------------------------------------------------------------------------------+
root@mpve1:~# drbdmanage list-assignments
+------------------------------------------------------------------------------+
| Node | Resource | Vol ID |
| State |
|------------------------------------------------------------------------------|
| mpve1 | vm-105-disk-1 | * |
| ok |
| mpve1 | vm-104-disk-1 | * |
| ok |
| mpve1 | vm-103-disk-1 | * |
| ok |
| mpve1 | vm-102-disk-1 | * |
| ok |
| mpve1 | vm-101-disk-1 | * |
| ok |
| mpve1 | vm-100-disk-1 | * |
| ok |
| mpve2 | vm-105-disk-1 | * |
| ok |
| mpve2 | vm-104-disk-1 | * |
| ok |
| mpve2 | vm-103-disk-1 | * |
| ok |
| mpve2 | vm-102-disk-1 | * |
| ok |
| mpve2 | vm-101-disk-1 | * |
| ok |
| mpve2 | vm-100-disk-1 | * |
| ok |
| mpve3 | vm-105-disk-1 | * |
| ok |
| mpve3 | vm-104-disk-1 | * |
| ok |
| mpve3 | vm-103-disk-1 | * |
| ok |
| mpve3 | vm-102-disk-1 | * |
| ok |
| mpve3 | vm-101-disk-1 | * |
| ok |
| mpve3 | vm-100-disk-1 | * |
| ok |
+------------------------------------------------------------------------------+
Any help or suggestions?
Thanks,
Michele
Il 10/01/2017 10:14, Roberto Resoli ha scritto:
Il 09/01/2017 19:20, Michele Rossetti ha scritto:
This means that in PVE cluster of 3 servers with DRBD9 updated isn't
possible to restore KVM virtual machines?
Other people on list with the same problem or is only in your
configuration?
Just to know before update ;-)
I have just retried today, after having upgraded drbd-utils to
8.9.10+linbit-1 , apperead yesterday.
I have successfuly cycled thru
vm creation -> vm dump -> vm restore
on a drbd9 (lvm-thin based) storage with only some quirks I will
describe here soon.
I think that quirks were entirely related to creation/deletion of lvm
volumes (backend of drbd ones).
In one case, restore operation resulted in correct creation of new drbd
resource, but on one node the assignment was pending, with "drbdmanage
resume-all" didn't fixing it.
I resolved with a "drbdadm down <vm-resource>" on the problematic node,
removing (lvremove) the backend lvm volume, and reissuing a "drbdmanage
resume-all" that recreated it correctly.
Now I can delete the test vm and restore it without any problem.
So, my advice in case of problems creating/deleting/restoring vms is to
check that creation/deletion of backend lvm volumes is correctly
performed as expected.
rob
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