your reply.
ps:
OS: CentOS7.4
libvirt: 4.5.0
hypervisor: KVM
Sincerely,
Vincent Wu
ead the docs but I thought it was OK to use those modes (UPS,
Battery-Backed RAID, etc..)
Does anyone have any idea what's going on or what I may be doing wrong?
Thanks for reading,
Vincent
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❦ 27 juin 2019 19:29 +02, "Marc Roos" :
> I can do a ping -M do -s 9000 between hosts via the vlan interface
> eth0.v101. That is as expected.
>
> The ping -M do -s 1500 macvtap0 and another host or macvtap1 fails. The
> maximum size that does not fragment is 1472.
> That is 28 bytes??? Where h
❦ 5 avril 2018 17:00 +0200, Michal Privoznik :
>> 0001-util-don-t-check-for-parallel-iteration-in-hash-rela.patch
>>
>>
>> From 7bf32825325b124edce58687a8cd2ceff13328b9 Mon Sep 17 00:00:00 2001
>> From: Vincent Bernat
>> Date: Wed, 4 Apr 2018 16:25:37 +
❦ 4 avril 2018 17:00 +0200, Vincent Bernat :
>>> You can do that locally, but as a patch it's very unlikely to be
>>> accepted upstream because we've introduced RW locks to be able to access
>>> domain list from multiple threads.
>>
>> Looking a
❦ 4 avril 2018 16:21 +0200, Vincent Bernat :
>> You can do that locally, but as a patch it's very unlikely to be
>> accepted upstream because we've introduced RW locks to be able to access
>> domain list from multiple threads.
>
> Looking a bit more, the
❦ 4 avril 2018 15:59 +0200, Michal Privoznik :
>> I may have missed this suggestion. Maybe Dan only sent it to you?
>
> No, there is another thread where this issue is discussed:
>
> https://www.redhat.com/archives/libvir-list/2018-April/msg00190.html
>
> In the
>> meantime, could I change the
❦ 4 avril 2018 15:19 +0200, Michal Privoznik :
> Both threads call virHashForEach(table=0x7f92fc69a480). Thread 6 was
> first so it starts iterating and sets table->iterating so later when
> thread 10 enters the function an error is reported.
>
> I guess we can go with what Dan suggested and af
❦ 4 avril 2018 11:17 +0200, Michal Privoznik :
> Dunno, this is the first time I hear about this issue. Maybe you can try
> to set a break point on virHashIterationError() and when it's hit get
> stacktrace of all threads 't a a bt'. That might shed more light into
> the issue. Smells like we a
❦ 4 avril 2018 11:17 +0200, Michal Privoznik :
>> We are using a hook, but the hook doesn't query libvirt back, so it
>> should be safe from this point of view. However, we have several sources
>> querying libvirt at regular interval (once every 5 seconds from two
>> different sources). I am un
Hey!
On many of our servers, we often have the following error:
error : virHashForEach:597 : Hash operation not allowed during iteration
When querying the list of domains, this means libvirt will silently
return 0 domain (most uses of virHashForEach don't handle the return
code).
We are using a
❦ 3 novembre 2016 20:43 +0300, Anton Gorlov :
>> ... but *is* in the status xml (i.e. the output of "visrh dumpxml
>> $domain" while the domain is running, and also the xml provided on stdin
>> to the qemu and network hooks when they are called).
>>
>&g
❦ 28 octobre 2016 14:32 -0700, Michal Privoznik :
> vnet* devices are created by libvirt when a domain is being started (or
> on device hotplug). In general, unless all devices would be statically
> allocated, it would be impossible to guarantee certain vnet name.
>
> However, what you can do is
❦ 24 juillet 2016 23:13 CEST, Vincent Bernat :
> I am trying to figure out how to reliably maintain a connection to
> libvirtd. From the documentation, I would expect something like that:
>
> - virConnectOpen()
> - virConnectRegisterCloseCallback()
> - virC
Hey!
It seems that if I close a connection while a domain event callback is
in progress, I can easily have a crash. Here is a backtrace:
#v+
#0 virFree (ptrptr=0x0) at ../../../src/util/viralloc.c:582
save_errno =
#1 0x7fc8328a4ad2 in virObjectEventCallbackListPurgeMarked
(cbList=
❦ 25 juillet 2016 08:44 CEST, Martin Kletzander :
>>> "Just a vnet interface, no bridge" means you want no network. Where
>>> should the vnet be connected?
>>
>>The host is able to handle the routing. It seems I could just declare an
>>interface of type "ethernet" instead of "network" to get th
❦ 25 juillet 2016 06:44 CEST, Martin Kletzander :
> You don't need to do any of these. The connection is checked as a part
> of connection callback which we have just to de-duplicate some code in
> virsh and virt-manager. It can happen that it is checked before the
> first command and needs to
❦ 25 juillet 2016 06:06 CEST, Martin Kletzander :
>>╭─┤ http://libvirt.org/formatnetwork.html#elementsConnect ├─
>>│Inclusion of the forward element indicates that the virtual network is
>>│to be connected to the physical LAN.Since 0.3.0. The mode attribute
>>│determines the method of fo
Hey!
Another question. The documentation about networks say:
╭─┤ http://libvirt.org/formatnetwork.html#elementsConnect ├─
│Inclusion of the forward element indicates that the virtual network is
│to be connected to the physical LAN.Since 0.3.0. The mode attribute
│determines the method of
Hey!
I am trying to figure out how to reliably maintain a connection to
libvirtd. From the documentation, I would expect something like that:
- virConnectOpen()
- virConnectRegisterCloseCallback()
- virConnectSetKeepAlive()
- Application logic
And in the registered callback, I would:
- vir
e prevent [2]. Avoiding [3] is a matter of luck.
That being said, having a shared-nothing system for keeping local files in
sync within an HA cluster has some good uses.. :)
Kind regards and good luck,
Vincent
On Wed, 2 Mar 2016, Lentes, Bernd wrote:
Hi,
i'd like to establish a HA-Cl
hanks for the tip. I'll get the src.rpm and add the patch to see if/how
it works. For the record, el6.6 uses this libvirt version:
libvirt-0.10.2-46.el6_6.6 (latest).
Kind regards,
Vincent
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ard] VCS60_node1/VCS6.vmx
[ha-datacenter/standard] VCS60_node2/VCS6.vmx
[ha-datacenter/standard] MacOSX_107/Mac_OS_X_Lion.vmx
[...]
Would that be something easy to hack/add for the libvirt versions I'm
using? (RHEL6/7) even if this means recompiling some src.rpms..
Any suggestions?
Thanks,
,-*~
ny help appreciated, Thank you !
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SmartJog S.A.S. - Groupe TDF - Pôle multimédia
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