problem somewhere in the Linux logical volume
layer, not the block or network layer (or with the network/storage
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ch config.
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r.
>
>
> I am pretty sure it is related to the bridge that was created to pass
> vm-host-altn traffic when the appliance was first installed.
>
>
>
> Original message
> From: Chris Adams
> Date: 4/20/17 5:40 PM (GMT-06:00)
> To: users@ovirt.org
e interested
to see if the "solo" behavior stayed with the port or the wire.
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ueNAS failover works; there is no "graceful" failover,
you just reboot the active node.
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Once upon a time, Juan Pablo said:
> I think its not related to something on the trueNAS side. if you are using
> iscsi multipath you should be using round-robin
TrueNAS HA is active/standby, so multipath has nothing to do with
rebooting/upgrading a TrueNAS.
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)
connected to the hard drives, and the only way to upgrade is to reboot
it. Multipath doesn't bypass that.
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rvers and a TrueNAS, and
that protects against NIC, cable, and switch failures, but does not help
with a controller failure/reboot/upgrade. Multipath is also used to
provide better bandwidth sharing between links than ethernet LAGs.
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I have a qcow2 disk image sitting on the local filesystem of one node.
Is there a way to copy this image to oVirt (into an iSCSI storage
domain) without copying it to my desktop and uploading through the web
UI?
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Note
that I have an iSCSI SAN for VM storage - things might be different if
you are planning to use the local disks for VMs (local storage or
Gluster).
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ert for
anything internally (right?), do any of the other steps on the above
page matter?
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e same LAG, then removing the 1G links? I would have the host in
maintenance mode no matter what.
I haven't checked the switch to see if it'll support that yet, figured
I'd start on the oVirt side.
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keeps VMs up as long as the cluster is up, but does not bring them
back if the whole cluster goes down (unless there's some other setting
I'm missing).
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Once upon a time, Martin Sivak said:
> Can you please describe your use-case there to make sure we do not
> forget and to make it obvious there is a need for this feature?
Thanks, added.
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add a second NIC to the engine VM through the web interface,
but of course that doesn't work (because it isn't really managed there).
How can I add a second NIC to the hosted engine VM?
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) in the UI, and then edited the
vm.conf file on the host. Migrated back and forth and all appears well.
Thanks.
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e IPMI devices directly, that it instead proxies through a
node.
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make changes to iptables that oVirt
will override later or anything like that.
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and you can
> diff and re-apply your own.
> If you choose to keep your settings, setup will write the iptables rules into
> own location and you can diff and apply the changes manually.
Okay, so that's the only time iptables are changed? That makes sense,
and I can work with that
thought the replicated storage was supposed to work even if one node
was down. Is there some other way to specify the path (did I do that
wrong)?
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Once upon a time, Gabi C said:
> tried localhost:gluster1?
No, I haven't - is that expected to work?
Also, as it turns out, I can't try it. I can edit the storage domain
and change the path, but the change is ignored. I cannot remove the
storage domain either; that's grey
I have set up oVirt with hosted engine, on an iSCSI volume. On both
nodes, the kernel logs the following about every 10 seconds:
Nov 21 15:27:49 node8 kernel: ovirt-ha-broker: sending ioctl 5401 to a
partition!
Is this a known bug, something that I need to address, etc.?
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partition!
> >
> > Is this a known bug, something that I need to address, etc.?
>
> Is this on centos or fedora?
Oops, sorry to leave that out. CentOS 7 and oVirt 3.5 (all up-to-date).
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> LUN: 2
> SCSI ID: p_iscsi_store1_l
Both LUNs have the same ID name, which confuses discovery (I've done the
same thing before). This is a 16 character string, so make sure they
are distinct/unique in that 16 characters.
It is annoying that scsi-target-utils lets
le "/usr/lib64/python2.7/site-packages/libvirt.py", line 3642, in
getLibVersion
if ret == -1: raise libvirtError ('virConnectGetLibVersion() failed',
conn=self)
libvirtError: internal error: client socket is closed
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fs.
Resolves:#1172147
* Tue Nov 04 2014 Miroslav Grepl 3.12.1-153.el7_0.12
- Allow logrotate to manage virt_cache_t type
Resolves:#1159834
So, this may have all just been self-inflicted. I've switched back to
permissive mode until I next apply updates; hopefully that'll
ter release), or has fallen through the cracks?
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Once upon a time, Gilad Chaplik said:
> Hi Chris,
>
> The fix didn't make it to 3.5, will be available in 3.5.1
Okay, thanks.
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edit /etc/ovirt-hosted-engine/hosted-engine.conf on the two
nodes and restart the ovirt-ha-broker service?
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Once upon a time, Chris Adams said:
> The gateway IP is a layer-3 switch, and I think sometimes it just is not
> responding to ICMP echo request in a timely fashion (traffic is routing
> just fine though). How is the HA ping implemented? How many requests
> does it send (and how ma
, not DSCP on packets for the rest of the network.
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with the DSCP still applied).
I'll test this out on a bare libvirt VM and see if that'll do the job,
and report back with what XML is needed.
Thanks.
> On Tue, Feb 10, 2015 at 2:34 PM, Chris Adams wrote:
>
> > Is there a VDSM hook available that can set DSCP bits on a VM
Once upon a time, Chris Adams said:
> Once upon a time, Dan Yasny said:
> > shouldn't be hard to do. Can you provide the details of what you need to
> > happen to the VM exactly?
> > - domxml changes
> > - other host level changes
> > - whether the VM should
rotocol to None.
- Go to the Virtual Machines tab. Click on the VM, choose the Network
Interfaces tab, and click New. Choose the monitor network in the
Profile.
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(that happens to be
a target of an external switch's port mirror/monitor session) to pass
through to a VM? A way that still allows for live migration would be
best of course, but even without that would be a start.
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VMs away from each other, and enforcing means _never_ do it (even it
means shutting down a VM rather than moving it).
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seen some BZ about vdsm and supervdsm about memory leaks, but
> I don't know if VDSM 4.6.10.8 is still affected by a related bug.
Can't help, but I see the same thing with CentOS 7 nodes and the same
version of vdsm.
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node has a pair
of NICs in a LACP bond to a switch stack, running 802.1q on top of that,
with several VLANs (only one VLAN has a DHCP server and a local CentOS
repo, so I put VMs on that VLAN for install).
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is if there is any difference in the DHCP options requested between the
different ROM images (maybe your DHCP config isn't matching up correctly
in some case that works on mine?).
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Once upon a time, Paul Heinlein said:
> So it might be helpful to look at the DHCP options, but the server
> is making OFFERs, so I'm not really sure what bits might be suspect.
Do you see a difference between the DHCP options with the "bad" and
"g
tart vdsmd on a node with
active VMs?
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de
hosting the engine, or the switches. I don't see anything obvious in
the logs on any of the systems involved either.
The node network setup is VLANs on top of a bond of two NICs, each
connected to a different switch in a two-switch stack.
Once upon a time, Chris Adams said:
> 2015-03-10 04:42:23,310 ERROR
> [org.ovirt.engine.core.vdsbroker.vdsbroker.ListVDSCommand]
> (DefaultQuartzScheduler_Worker-40) [75b9e6d9] Command ListVDSCommand(HostName
> = node5, HostId = 8dfd0195-f386-4e16-9379-a5287221d5bd,
> vds=Host
dropped packet since I started yesterday
afternoon. However, during that time, I also have not seen any
engine/vdsm timeouts. I was going to say I had not been logged out of
the web UI, but that just happened while I was typing the previous
sentence.
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> track down the problems.
There's already an open BZ:
https://bugzilla.redhat.com/show_bug.cgi?id=1158108
I'm not sure if that is exactly the same problem I'm seeing or not; my
vdsm process seems to be growing faster (RSS grew 952K in a 5 minute
period
show_bug.cgi?id=1201779
My cluster went a couple of days without hitting this (as soon as I
posted to the list of course), but then it happened several times
overnight. Interestingly, one error logged was communicating with the
node currently running my hosted engine. That should ru
#x27;t show any problem (I ran it until I also saw an
instance of the engine->node communication error). I'm watching ARP
traffic now to see if something is sending bad answers. I'm pretty
stumped at this point of what to look at next.
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Once upon a time, Sandro Bonazzola said:
> We have 3 open blockers for 3.5.2[1]:
Any chance the vdsm memory leak fix (RHBZ 1158108) will make 3.5.2?
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7;)
Is there maybe still a problem combining a VLAN on a bond?
A little background (if it helps): this is my first attempt with oVirt.
I'm installing on a clean CentOS install on a spare box, with the intent
to get oVirt
Once upon a time, Sven Kieske said:
> Am 10.07.2014 18:02, schrieb Chris Adams:
> > Is there maybe still a problem combining a VLAN on a bond?
>
> Yes exactly, but just with hosted-engine.
> See this BZ: https://bugzilla.redhat.com/show_bug.cgi?id=1072027
> (Should be res
updated
pythong-pthreading package in EPEL, version 0.1.3-2. There's already a
0.1.3-3 in koji that rolls back the patch in 0.1.3-2.
http://koji.fedoraproject.org/koji/buildinfo?buildID=543650
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4:19,863::fileSD::609::Storage.StorageDomain::(imageGarbageCollector)
Removing remnants of deleted images []
Thread-40::INFO::2014-07-16
14:34:19,863::sd::383::Storage.StorageDomain::(_registerResourceNamespaces)
Resource namespace 74cb6a07-5745-4b21-ba4b-d9012acb5cae_imageNS already
registered
Thread-40::INFO::2014-07-16
14:34:19,863::sd::391::Storage.StorageDomain::(_registerResourceNamespaces)
Resource namespace 74cb6a07-5745-4b21-ba4b-d9012acb5cae_volumeNS already
registered
Thread-40::DEBUG::2014-07-16
14:34:19,868::fileSD::259::Storage.Misc.excCmd::(getReadDelay) '/bin/dd
iflag=direct
if=/rhev/data-center/mnt/nfs.c1.api-digital.com:_vmstore_engine/74cb6a07-5745-4b21-ba4b-d9012acb5cae/dom_md/metadata
bs=4096 count=1' (cwd None)
Thread-40::DEBUG::2014-07-16
14:34:19,885::fileSD::259::Storage.Misc.excCmd::(getReadDelay) SUCCESS: =
'0+1 records in\n0+1 records out\n476 bytes (476 B) copied, 0.000548138 s, 868
kB/s\n'; = 0
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ki/vdsm/certs/vdsmcert.pem"
unix_sock_group="qemu"
listen_addr="0.0.0.0"
ca_file="/etc/pki/vdsm/certs/cacert.pem"
key_file="/etc/pki/vdsm/keys/vdsmkey.pem"
host_uuid="74e1d154-d83f-4852-9c35-3c931f8b45cf"
## end of configuration section by vdsm-4.
Once upon a time, Chris Adams said:
> Once upon a time, ybronhei said:
> > On 07/21/2014 01:45 AM, Jorick Astrego wrote:
> > >Hi,
> > >
> > >Some more info, I think this is the problem and I also have it on the
> > >node image:
> > >
&
#x27;)
If I manually create the ovirtmgmt bridge first, I can install a
3.5-snapshot hosted engine, although the install gets stuck at the end
on "Still waiting for VDSM host to become operational". It results in
an install that thinks the ovirtmgmt ne
Once upon a time, Chris Adams said:
> If I manually create the ovirtmgmt bridge first, I can install a
> 3.5-snapshot hosted engine, although the install gets stuck at the end
> on "Still waiting for VDSM host to become operational". It results in
> an install that thinks
I have a couple of traffic-monitoring servers that get a copy of all
traffic on a VLAN via a mirrored port on the switch, connected to a
dedicated port on each server. Is there a good way to run that type of
traffic into a VM?
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-e9d76f0c6f43'}
Is this a known bug (maybe fixed in a newer version), something
unexpected, etc.? Is there a way around it (other than shutting down
the VM)?
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Once upon a time, Chris Adams said:
> I have a VM with a virtio-scsi disk that is a direct-mapped iSCSI LUN.
> I'm trying to migrate it from one node to another (in the process of
> updating my system from 3.5.3 to 3.5.5), and it fails migration with:
>
> Thread-1886273::ERR
Once upon a time, Yedidyah Bar David said:
> On Thu, Jan 7, 2016 at 10:16 AM, Chris Adams wrote:
> > Once upon a time, Chris Adams said:
> >> I have a VM with a virtio-scsi disk that is a direct-mapped iSCSI LUN.
> >> I'm trying to migrate it from one no
m running Windows Server 2012 Standard VMs on my cluster
just fine). A co-worker searching around on the Internet also found
some VirtualBox users having similar issues with Essentials.
So, with Westmere or newer CPU, I think Essentials should be okay, but
don't try it
an, and how
do I clear it?
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r than the default 25G.
Is there an easy way to extend the image now? When I try to do that in
the web GUI, I got the "Cannot edit Virtual Machine Disk. This VM is not
managed by the engine." error.
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I go straight from the "Up" tip
to the "Server" tip. The ! is in the first column with the status icon
(if you widen the columns it stay next to the up arror).
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s VM does not
have an exclamation mark.
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lient -s 0
getAllTasksStatuses" on the SPM node, and it shows no tasks. How do I
clear the tasks from the web UI?
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uot;Image is not a legal chain:
(u'fa4d1802-6223-4800-8339-c194076cfb4b',)", 'code': 262}}
The VM I am trying to clone is thin-provisioned from a template; is it
"legal" to clone such a VM, or is this a bug?
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Once upon a time, Chris Adams said:
> On oVirt 3.6.2, I tried to clone a VM, but got an error that the volume
> couldn't be created. Checking the logs, I see (in vdsm.log on the SPM):
>
> jsonrpc.Executor/2::ERROR::2016-02-11
> 09:50:24,459::dispatcher::76::Storage.
irror health checking service?
>
> how do other repositories like centos or fedora handle such issues?
Fedora uses mirrormanager:
https://fedoraproject.org/wiki/Infrastructure/MirrorManager
but somebody has to manage the server side of that (mirror admin we
running when the power failed would have
been restarted once the engine came back up. Is there a way to make
that happen?
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Once upon a time, Nir Soffer said:
> On Fri, May 6, 2016 at 4:01 PM, Chris Adams wrote:
> > One of my oVirt clusters, running 3.6.5, lost power last night (power
> > failure plus bad UPS batteries - batteries on order!). When power came
> > back, the storage and nodes ca
Once upon a time, Dan Yasny said:
> Normally you
> 1. enter the IP
> 2. click discover
> 3. login to whatever was found
> 4. enter another IP instead of the first
> 5. goto 2
How do you give the oVirt server two IPs (in the same subnet) though
h its own IP. I'm not sure
how you do that with oVirt.
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either stacked or
trunked). No SPOF.
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ed to different NICs, and gave each an IP (in the iSCSI
subnet). Then I could set up the iSCSI multipath in the oVirt data
center. This seems weird/wrong, and I'm not sure oVirt actually
configured both NICs in multipath.
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You can still thin-provision VMs in oVirt, there's just not a way to
release space if a VM image shrinks significantly.
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Ms as they are in traditional LVM.
>
> Not sure what you mean by cote Linux not supporting it.
To do that with multiple access, you have to be running in clustered LVM
mode, and thin provisioning is not supported with CLVM.
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ct? I was planning to follow this process:
https://www.ovirt.org/documentation/admin-guide/hosted-engine-backup-and-restore/
which says "point to the new shared storage" - will that not work?
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wondering if I could skip the full install and jump
right to an installed system.
Thanks for your help.
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Once upon a time, Simone Tiraboschi said:
> On Thu, Sep 29, 2016 at 6:35 PM, Chris Adams wrote:
> > If so, could I connect the new iSCSI storage to a host, shutdown the
> > engine, "dd" the engine over, start up the new location in single-user
> > mode, and make t
ng to import this VM into oVirt fails because it can't find/mount
the root filesystem.
Is there any way around this?
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this case), it appears to have worked
"good enough" (the VM boots and gets on the network).
Still amused that somebody thinks distributing an image with encrypted
filesystems, and the key for that encryption in the initrd, does
anything t
added to any of the oVirt repos for prior
versions (such as 3.5 or 3.6)?
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also set up Digium's Switchvox in an oVirt VM without issue (small
office setup, so not a lot of simultaneous calls).
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n't a big deal (because other network latency
will have a larger impact). 10ms isn't really a problem for VoIP for
example.
The bigger network concern for VoIP is jitter; for that, the only
solution is to not over-provision hardware CPUs or total network
bandwidt
I supposed to re-run "hosted-engine --deploy"? Wouldn't that try to
re-register the physical hosts, or can I interrupt it to restore the
backup?
Or, is there a way to just attach an install ISO to the engine VM and
boot from that?
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from 3.5 to 4.1 need to go through 3.6 and 4.0 along the way?
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Once upon a time, Simone Tiraboschi said:
> On Wed, Feb 22, 2017 at 8:04 PM, Chris Adams wrote:
> > Also, is it normally recommended to upgrade one major release at a time?
>
> For the engine it's not just recommended, it's mandatory!
Ahh, I didn't realize that
, but there doesn't appear to be anyway to
get the HE nodes to recognize this; they both still see the original
size, no matter what I try. Is there a way to get them to see the
larger PV, so the new LV(s) can be created?
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rage/lun-resize/
>
> On Fri, Feb 24, 2017 at 9:00 AM, Chris Adams wrote:
>
> > I'm testing upgrading an oVirt 3.5 setup, and I have run into a problem
> > when going from 3.5 to 3.6 on a physical machine configured for the
> > hosted engine. I upgraded the engine itsel
this except invaliding the vdsm lvm cache - how would I do
that?
I will say just doing up to the pvresize worked in my test environment
(but I might have just been lucky).
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he host
> 5. start vdsm on all hosts
> 6. start ovirt-engine
>
> This will allow resize while the storage is online and vms are running.
Thanks!
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did not get imported
into the engine DB, so I can't proceed with "hosted-engine
--upgrade-appliance". I didn't see any errors, so I'm not sure how that
happened. I'm also not sure how to fix that.
Suggestions?
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screwed up their DNS - registered to 3 nameservers, two of which only
exist as glue records (not in authoritative DNS), and all three point to
the same IP (which is not responding).
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ns in that case? How do I get the
hosted engine from one cluster to another (especially with starting at
3.5)?
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idn't realize this didn't happen until that was changed).
However, now I'm back into the catch-22 of 3.6.7+hosted engine: the
cluster compatibility level can't be raised while there's a running VM,
and that includes the hosted engine.
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Once upon a time, Simone Tiraboschi said:
> On Wed, Mar 1, 2017 at 3:19 PM, Chris Adams wrote:
> > However, now I'm back into the catch-22 of 3.6.7+hosted engine: the
> > cluster compatibility level can't be raised while there's a running VM,
> > and that inc
Once upon a time, Simone Tiraboschi said:
> On Wed, Mar 1, 2017 at 5:04 PM, Chris Adams wrote:
> > I first tried setting the policy, but got "Error while executing action:
> > The set cluster compatibility version does not allow mixed major host OS
> > versions. Can not
Once upon a time, Chris Adams said:
> However, now I'm back into the catch-22 of 3.6.7+hosted engine: the
> cluster compatibility level can't be raised while there's a running VM,
> and that includes the hosted engine.
I'm still stuck on this - anybody have any
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