search for: mzamaz

Displaying 20 results from an estimated 34 matches for "mzamaz".

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2020 Jul 09
2
Re: Emulated TPM devices and snapshots of running VMs
On Thu, Jul 09, 2020 at 14:14:32 +0200, Milan Zamazal wrote: > Milan Zamazal <mzamazal@redhat.com> writes: > > > Hi, > > > > I would like to clarify how to make snapshots of running VMs with > > emulated TPM devices. As far as I understand QEMU documentation, it's > > possible to make snapshots of running VMs with TPM, but it's importan...
2020 Jul 03
2
Emulated TPM devices and snapshots of running VMs
Hi, I would like to clarify how to make snapshots of running VMs with emulated TPM devices. As far as I understand QEMU documentation, it's possible to make snapshots of running VMs with TPM, but it's important to retain the state of swtpm. Does libvirt assist with that in any way or is it completely user's responsibility? libvirt pauses the VM internally when making a snapshot,
2020 Jul 09
1
Re: Emulated TPM devices and snapshots of running VMs
On Thu, Jul 09, 2020 at 17:54:23 +0200, Milan Zamazal wrote: > Peter Krempa <pkrempa@redhat.com> writes: > > > On Thu, Jul 09, 2020 at 14:14:32 +0200, Milan Zamazal wrote: > >> Milan Zamazal <mzamazal@redhat.com> writes: > >> > > > >> > Hi, > >> > > >> > I would like to clarify how to make snapshots of running VMs with > >> > emulated TPM devices. As far as I understand QEMU documentation, it's > >> > possible...
2017 Feb 20
2
Re: Determining domain job kind from job stats?
Jiri Denemark <jdenemar@redhat.com> writes: > On Fri, Feb 17, 2017 at 12:38:24 +0100, Milan Zamazal wrote: >> Jiri Denemark <jdenemar@redhat.com> writes: >> >> > On Fri, Feb 10, 2017 at 21:50:19 +0100, Milan Zamazal wrote: >> >> Hi, is there a reliable way to find out to what kind of job does the >> >> information returned from
2020 Jul 02
2
Re: Two questions about NVDIMM devices
Daniel P. Berrangé <berrange@redhat.com> writes: > On Thu, Jul 02, 2020 at 01:21:15PM +0200, Milan Zamazal wrote: >> Hi, >> > >> I've met two situations with NVDIMM support in libvirt where I'm not >> sure all the parties (libvirt & I) do the things correctly. >> >> The first problem is with memory alignment and size changes. In
2020 Jul 09
0
Re: Emulated TPM devices and snapshots of running VMs
Milan Zamazal <mzamazal@redhat.com> writes: > Hi, > > I would like to clarify how to make snapshots of running VMs with > emulated TPM devices. As far as I understand QEMU documentation, it's > possible to make snapshots of running VMs with TPM, but it's important > to retain the state of...
2020 Jul 09
0
Re: Emulated TPM devices and snapshots of running VMs
Peter Krempa <pkrempa@redhat.com> writes: > On Thu, Jul 09, 2020 at 14:14:32 +0200, Milan Zamazal wrote: >> Milan Zamazal <mzamazal@redhat.com> writes: >> > >> > Hi, >> > >> > I would like to clarify how to make snapshots of running VMs with >> > emulated TPM devices. As far as I understand QEMU documentation, it's >> > possible to make snapshots of running VMs wi...
2020 Jul 09
0
NVDIMM in devdax mode and SELinux (was: Two questions about NVDIMM devices)
Milan Zamazal <mzamazal@redhat.com> writes: > Daniel P. Berrangé <berrange@redhat.com> writes: > >> On Thu, Jul 02, 2020 at 01:21:15PM +0200, Milan Zamazal wrote: >>> The second problem is that a VM fails to start with a backing NVDIMM in >>> devdax mode due to SELinux preventing...
2017 Feb 21
0
Re: Determining domain job kind from job stats?
[Starting to move to the development list.] Milan Zamazal <mzamazal@redhat.com> writes: > Jiri Denemark <jdenemar@redhat.com> writes: > >> On Fri, Feb 17, 2017 at 12:38:24 +0100, Milan Zamazal wrote: >>> >>> There are basically two problems: >>> >>> - When the job completion callback is called, I need to...
2019 Sep 19
2
Re: Certificate checking on TLS migrations to an IP address
Daniel P. Berrangé <berrange@redhat.com> writes: > On Wed, Sep 18, 2019 at 12:18:32PM +0200, Milan Zamazal wrote: >> Daniel P. Berrangé <berrange@redhat.com> writes: >> > >> > On Wed, Sep 04, 2019 at 03:38:25PM +0200, Milan Zamazal wrote: >> >> Hi, I'm trying to add TLS migrations to oVirt, but I've hit a problem >> >> with
2019 Sep 23
0
Re: Certificate checking on TLS migrations to an IP address
Milan Zamazal <mzamazal@redhat.com> writes: > Daniel P. Berrangé <berrange@redhat.com> writes: > >> On Wed, Sep 18, 2019 at 12:18:32PM +0200, Milan Zamazal wrote: >>> Daniel P. Berrangé <berrange@redhat.com> writes: >>> >> >>> > On Wed, Sep 04, 2019 at 03:...
2017 Mar 17
2
VIR_ERR_OPERATION_INVALID from virDomainDestroyFlags call
Hi, we experienced a strange, non-reproducible error after a successful migration to another host. When we called virDomainDestroyFlags with VIR_DOMAIN_DESTROY_GRACEFUL flag after the migration on the source host, we got VIR_ERR_OPERATION_INVALID (code 55) error. The same with repeated virDomainDestroyFlags calls. Normally, we would expect either success or VIR_ERR_NO_DOMAIN error. `virsh
2018 Dec 03
0
How to get list of CPUs compatible with the host CPU and vendor?
Hi, I'm trying to use virConnectGetDomainCapabilities to get the list of CPUs compatible with the host CPU. I would like to further limit the list to CPUs of the same vendor as the host CPU. How can I do that? I tried to use virConnectBaselineCPU with <vendor> element and checking whether I obtain the same CPU, but that doesn't filter out CPUs without any vendor such as
2020 Jan 21
2
How to detect completion of a paused VM migration on the destination?
Hi, when a normally running VM is migrated, libvirt sends VIR_DOMAIN_EVENT_RESUMED_MIGRATED event on the destination once the migration completes. I can see that when a paused VM is migrated, libvirt sends VIR_DOMAIN_EVENT_SUSPENDED_PAUSED instead. Since there seems to be nothing migration specific about VIR_DOMAIN_EVENT_SUSPENDED_PAUSED event, my question is: Is it safe to assume on the
2017 Feb 10
2
Determining domain job kind from job stats?
Hi, is there a reliable way to find out to what kind of job does the information returned from virDomainGetJobStats or provided in VIR_DOMAIN_EVENT_ID_JOB_COMPLETED event callback belong to? I'm specifically interested in distinguishing host-to-host migration jobs (e.g. those started by virDomainMigrateToUri* functions) from other jobs. If there is no better way, I'm thinking about
2020 Aug 26
2
Distinguishing between host and guest initiated VM shutdown
Hi, we have a problem in oVirt that highly available VMs don't restart after host poweroff because Vdsm identifies the case as a user initiated shutdown (https://bugzilla.redhat.com/1800966). When poweroff is run on the host, libvirt-guests service takes an action. `virsh shutdown' is run on the VM, the guest OS is shut down cleanly and libvirt reports a shutdown event with
2018 Oct 12
2
Device lease hot unplug and events
Hi, when working on hot unplugs of various devices, I've found out that hot unplugging <lease> device doesn't generate VIR_DOMAIN_EVENT_ID_DEVICE_REMOVED event. <lease> also doesn't have an alias, so it wouldn't be identifiable in the corresponding callback. Is this difference from other hotpluggable devices intentional? If yes, is there any better way of checking
2020 Aug 27
2
Re: Distinguishing between host and guest initiated VM shutdown
"Daniel P. Berrange" <dan@berrange.com> writes: > On Wed, Aug 26, 2020 at 10:35:22PM +0200, Milan Zamazal wrote: >> Hi, >> > >> we have a problem in oVirt that highly available VMs don't restart after >> host poweroff because Vdsm identifies the case as a user initiated >> shutdown (https://bugzilla.redhat.com/1800966). >> >>
2018 Sep 19
2
Which objects does dynamic_ownership apply to?
Hi, I'm playing with dynamic ownership and not all objects have their owners changed. Is dynamic_ownership and its scope documented somewhere, besides the comment in qemu.conf? And what kinds of objects are handled by dynamic ownership? While some objects seem to be handled, other objects are apparently unaffected. For instance /dev/hwrng or a USB host device keep their root owners and are
2017 Mar 17
2
Re: VIR_ERR_OPERATION_INVALID from virDomainDestroyFlags call
"Daniel P. Berrange" <berrange@redhat.com> writes: > On Fri, Mar 17, 2017 at 11:55:13AM +0100, Milan Zamazal wrote: >> Hi, we experienced a strange, non-reproducible error after a successful >> migration to another host. When we called virDomainDestroyFlags with >> VIR_DOMAIN_DESTROY_GRACEFUL flag after the migration on the source host, >> we got