Bug 981122
| Summary: | Virtlockd fail to generate lease file | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Luwen Su <lsu> |
| Component: | libvirt | Assignee: | Daniel Berrangé <berrange> |
| Status: | CLOSED NOTABUG | QA Contact: | Virtualization Bugs <virt-bugs> |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | 7.0 | CC: | acathrow, ajia, dallan, dyuan, lsu, shyu |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2013-08-19 02:57:28 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
(In reply to time.su from comment #0) > Description of problem: > After config the virtlockd's file and start guest , the virtlockd will report > End of file while reading data: Input/output error > and no lease file generated in dir > > Version-Release number of selected component (if applicable): > libvirt-1.1.0-1.el7.x86_64 > qemu-kvm-1.5.1-2.el7.x86_64 > kernel-3.10.0-0.rc7.64.el7.x86_64 > selinux-policy-3.12.1-56.el7.noarch > > How reproducible: > always > > Steps to Reproduce: > 1. > #systemctl start virtlockd.service > > 2. > #tail -1 /etc/libvirt/qemu.conf > lock_manager = "lockd" > > #tail -3 /etc/libvirt/qemu-lockd.conf > auto_disk_leases = 1 > require_lease_for_disks = 1 > > 3.A small guest > #qemu-img create -f qcow2 /var/lib/libvirt/images/cake.qcow2 10M > > #virsh define test.xml > > <domain type='qemu'> > <name>cake</name> > <memory unit='MiB'>32</memory> > <os> > <type arch='x86_64' machine='pc'>hvm</type> > </os> > <devices> > <emulator>/usr/libexec/qemu-kvm</emulator> > <disk type='file' device='disk'> > <driver name='qemu' type='qcow2'/> > <source file='/var/lib/libvirt/images/cake.qcow2'/> > <target dev='vda' bus='virtio'/> > </disk> > </devices> > </domain> > > 3. > #systemctl restart libvirtd.service > > #virsh start cake > Does this command actually start successfully ? If so, then there is no bug here. > 4. > #service virtlockd status > Jul 04 11:25:43 localhost.localdomain virtlockd[2380]: End of file while > reading data: Input/output error That just shows that an connection to the lockd daemon closed,which is normal. > #ll /var/lib/libvirt/lockd > ls: cannot access /var/lib/libvirt/lockd: No such file or directory The default configuration does not store locks in that directory. It would only do that if you actually set the config file_lockspace_dir = "/var/lib/libvirt/lockd/files" If that it not set, then locks are held directly against the disks. For example, I have a guest 'demo' - when it is running I can see the lock held by lockd # lslocks | grep virtlockd virtlockd 1654 POSIX 4B WRITE 0 0 0 /run/virtlockd.pid virtlockd 1654 POSIX 192.5K READ 0 0 0 /var/lib/libvirt/images/demo.img (In reply to Daniel Berrange from comment #2) > (In reply to time.su from comment #0) > > Description of problem: > > After config the virtlockd's file and start guest , the virtlockd will report > > End of file while reading data: Input/output error > > and no lease file generated in dir > > > > Version-Release number of selected component (if applicable): > > libvirt-1.1.0-1.el7.x86_64 > > qemu-kvm-1.5.1-2.el7.x86_64 > > kernel-3.10.0-0.rc7.64.el7.x86_64 > > selinux-policy-3.12.1-56.el7.noarch > > > > How reproducible: > > always > > > > Steps to Reproduce: > > 1. > > #systemctl start virtlockd.service > > > > 2. > > #tail -1 /etc/libvirt/qemu.conf > > lock_manager = "lockd" > > > > #tail -3 /etc/libvirt/qemu-lockd.conf > > auto_disk_leases = 1 > > require_lease_for_disks = 1 > > > > 3.A small guest > > #qemu-img create -f qcow2 /var/lib/libvirt/images/cake.qcow2 10M > > > > #virsh define test.xml > > > > <domain type='qemu'> > > <name>cake</name> > > <memory unit='MiB'>32</memory> > > <os> > > <type arch='x86_64' machine='pc'>hvm</type> > > </os> > > <devices> > > <emulator>/usr/libexec/qemu-kvm</emulator> > > <disk type='file' device='disk'> > > <driver name='qemu' type='qcow2'/> > > <source file='/var/lib/libvirt/images/cake.qcow2'/> > > <target dev='vda' bus='virtio'/> > > </disk> > > </devices> > > </domain> > > > > 3. > > #systemctl restart libvirtd.service > > > > #virsh start cake > > > > Does this command actually start successfully ? If so, then there is no bug > here. > > > 4. > > #service virtlockd status > > Jul 04 11:25:43 localhost.localdomain virtlockd[2380]: End of file while > > reading data: Input/output error > > That just shows that an connection to the lockd daemon closed,which is > normal. > > > #ll /var/lib/libvirt/lockd > > ls: cannot access /var/lib/libvirt/lockd: No such file or directory > > The default configuration does not store locks in that directory. It would > only do that if you actually set the config > > file_lockspace_dir = "/var/lib/libvirt/lockd/files" > > If that it not set, then locks are held directly against the disks. > > For example, I have a guest 'demo' - when it is running I can see the lock > held by lockd > > > # lslocks | grep virtlockd > virtlockd 1654 POSIX 4B WRITE 0 0 0 > /run/virtlockd.pid > virtlockd 1654 POSIX 192.5K READ 0 0 0 > /var/lib/libvirt/images/demo.img Yeah , i can see that too via lslocks Not set dir: lslocks | grep virtlockd virtlockd 7484 POSIX 4B WRITE 0 0 0 /run/virtlockd.pid virtlockd 7484 POSIX 192.5K WRITE 0 0 0 /var/lib/libvirt/images/cake.qcow2 Set dir: lslocks | grep virtlockd virtlockd 7484 POSIX 4B WRITE 0 0 0 /run/virtlockd.pid virtlockd 7484 POSIX 0B WRITE 0 0 0 /var/lib/libvirt/lockd/files/e4bb6229dec41cc1dced4696a4ba0913728379f714bce01acf165b9f8abf0464 Sorry for the mistake i made , i closed the bug as NOTBUG , will add the content to the realted test cases. |
Description of problem: After config the virtlockd's file and start guest , the virtlockd will report End of file while reading data: Input/output error and no lease file generated in dir Version-Release number of selected component (if applicable): libvirt-1.1.0-1.el7.x86_64 qemu-kvm-1.5.1-2.el7.x86_64 kernel-3.10.0-0.rc7.64.el7.x86_64 selinux-policy-3.12.1-56.el7.noarch How reproducible: always Steps to Reproduce: 1. #systemctl start virtlockd.service 2. #tail -1 /etc/libvirt/qemu.conf lock_manager = "lockd" #tail -3 /etc/libvirt/qemu-lockd.conf auto_disk_leases = 1 require_lease_for_disks = 1 3.A small guest #qemu-img create -f qcow2 /var/lib/libvirt/images/cake.qcow2 10M #virsh define test.xml <domain type='qemu'> <name>cake</name> <memory unit='MiB'>32</memory> <os> <type arch='x86_64' machine='pc'>hvm</type> </os> <devices> <emulator>/usr/libexec/qemu-kvm</emulator> <disk type='file' device='disk'> <driver name='qemu' type='qcow2'/> <source file='/var/lib/libvirt/images/cake.qcow2'/> <target dev='vda' bus='virtio'/> </disk> </devices> </domain> 3. #systemctl restart libvirtd.service #virsh start cake 4. #service virtlockd status Jul 04 11:25:43 localhost.localdomain virtlockd[2380]: End of file while reading data: Input/output error #ll /var/lib/libvirt/lockd ls: cannot access /var/lib/libvirt/lockd: No such file or directory 5. There is no selinux error reported by setroubleshoot and audit. Actual results: IO error Expected results: work Additional info: