Re: [ovirt-users] [Cloud-init] fail on CentOS

[Yaniv Kaul]

On Thu, May 25, 2017 at 2:40 PM, TranceWorldLogic . <
tranceworldlo...@gmail.com> wrote:

> Hi,
>
> OS: CentOS 6.8
>
> For me , cloud-init is failing but not getting idea where.
> Would you please help me to enable logs of cloud-init ?
>
> cloud-init.log file is empty and I have also verified
> /etc/cloud/cloud.cfg.d/05_logging.cfg.
> It is default and look to me correct.
>

Anything in the guest's /var/log/messages ?
Y.


>
> Thanks,
> ~Rohit
>
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Re: [ovirt-users] GetStorageDeviceListVDS failed

[Sahina Bose]

On Thu, May 25, 2017 at 8:29 PM, Joel Diaz  wrote:

> I almost forgot about python-blivet. All 3 hosts are on version
> 0.61.15.59-1.
>
> The hosts and engine were updated using the snapshot repo last week. I
> updated them just now. I just noticed that host 2 and required the same 20
> updates but host 1 required an additional update, ovirt-engine-appliance.
>
>
>
> On May 25, 2017 10:40 AM, "Joel Diaz"  wrote:
>
> Hello Sahina,
>
> Thanks for the response.
>
> Attached are the requested supervsdm logs from both hosts.
>
>
Seems to be an error returned by lvm module.

" lvm lvs -a --unit k --nosuffix --nameprefixes --unquoted --noheadings
-ovg_name,lv_name,lv_uuid,lv_size,lv_attr,segtype"  - seems to throw this
error. Can you check?

Do you have stale devicemapper entries on these hosts?


> Joel
>
>
>
> On May 25, 2017 5:41 AM, "Sahina Bose"  wrote:
>
>> Could you provide the supervdsm.log from either host2 or host3.
>>
>> Were the packages on these hosts updated?
>> What's the version of python-blivet? Is this different from host1?
>>
>> On Wed, May 24, 2017 at 6:26 PM, Joel Diaz  wrote:
>>
>>> Good morning oVirt community,
>>>
>>> I need some assistance.
>>>
>>> I am running a 3 host, hosted engine, gluster environment. The hosts are
>>> running centos 7.3 and the engine is version 4.1.2.3
>>>
>>> Since yesterday, every 2 hours, the engine reports the error below on
>>> host 2 and 3.
>>>
>>> event ID 10802
>>>
>>> VDSM  command GetStorageDeviceListVDS failed:
>>> 'gluster_vg_sdb-/dev/mapper/36589cfc00f05aea0f2b50f8d76e5: read
>>> failed after 0 of 4096 at 0: Input/output error'
>>>
>>> I've attached logs from both hosts. Hosts 3 is the SPM and holds the
>>> arbiter brick of all 4 gluster volumes.
>>>
>>> As always, your help is appreciated.
>>>
>>> Joel
>>>
>>>
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>>>
>>>
>>
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Re: [ovirt-users] PXE boot of oVirt Node 4.1

[Christopher Young]

I've been wondering the same.  In particular, I use cobbler for system
provisioning, so would love to have some details to help me implement
this.

On Thu, May 25, 2017 at 10:49 AM, Latchezar Filtchev  wrote:
> Hello oVirt-ers,
>
>
>
> Did someone was able to install oVirt node 4.1 -
> ovirt-node-ng-installer-ovirt-4.1-2017051704.iso via pxe/tftp boot?
>
>
>
> This works http://www.ovirt.org/develop/projects/node/pxe/ for oVirt 3.4
>
> When using the same approach for oVirt 4.0 and oVirt 4.1 the computer hangs.
>
> Any help will be appreciated.
>
>
>
>
>
> Thank you!
>
> Best,
>
> Latcho
>
>
>
>
>
>
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Re: [ovirt-users] GetStorageDeviceListVDS failed

[Joel Diaz]

I almost forgot about python-blivet. All 3 hosts are on version
0.61.15.59-1.

The hosts and engine were updated using the snapshot repo last week. I
updated them just now. I just noticed that host 2 and required the same 20
updates but host 1 required an additional update, ovirt-engine-appliance.



On May 25, 2017 10:40 AM, "Joel Diaz"  wrote:

Hello Sahina,

Thanks for the response.

Attached are the requested supervsdm logs from both hosts.

Joel



On May 25, 2017 5:41 AM, "Sahina Bose"  wrote:

> Could you provide the supervdsm.log from either host2 or host3.
>
> Were the packages on these hosts updated?
> What's the version of python-blivet? Is this different from host1?
>
> On Wed, May 24, 2017 at 6:26 PM, Joel Diaz  wrote:
>
>> Good morning oVirt community,
>>
>> I need some assistance.
>>
>> I am running a 3 host, hosted engine, gluster environment. The hosts are
>> running centos 7.3 and the engine is version 4.1.2.3
>>
>> Since yesterday, every 2 hours, the engine reports the error below on
>> host 2 and 3.
>>
>> event ID 10802
>>
>> VDSM  command GetStorageDeviceListVDS failed:
>> 'gluster_vg_sdb-/dev/mapper/36589cfc00f05aea0f2b50f8d76e5: read
>> failed after 0 of 4096 at 0: Input/output error'
>>
>> I've attached logs from both hosts. Hosts 3 is the SPM and holds the
>> arbiter brick of all 4 gluster volumes.
>>
>> As always, your help is appreciated.
>>
>> Joel
>>
>>
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[ovirt-users] PXE boot of oVirt Node 4.1

[Latchezar Filtchev]

Hello oVirt-ers,

Did someone was able to install oVirt node 4.1 - 
ovirt-node-ng-installer-ovirt-4.1-2017051704.iso via pxe/tftp boot?

This works http://www.ovirt.org/develop/projects/node/pxe/ for oVirt 3.4
When using the same approach for oVirt 4.0 and oVirt 4.1 the computer hangs.
Any help will be appreciated.


Thank you!
Best,
Latcho


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Re: [ovirt-users] terminating sessions

[Martin Perina]

On Thu, May 25, 2017 at 3:55 PM, Ravi Nori  wrote:

> We do not display the information on running tasks or command in the UI.
>

AFAIK we do, you can see execution progress of commands, which are marked
as monitored, in Tasks tab​ in bottom right corner of webadmin. And such
commands are exposed under ​​/ovirt-engine/api/jobs



> The information is used internally by engine to keep session alive if
> there are commands running for a session. The list of sessions and the
> associated commands can be retrieved by running the following sql
>
> su - postgres -c 'psql engine -c "select engine_session_id, command_id,
> command_type, command_params_class from command_entities, engine_sessions,
> status where command_entities.engine_session_seq_id = engine_sessions.id
> ;"'
>
>
> On Wed, May 24, 2017 at 6:29 AM, Martin Perina  wrote:
>
>> AFAIK content of Tasks tab in webadmin should be available under
>> ​​
>> /ovirt-engine/api/jobs , but sessions are not exposed to API.
>>
>> On Wed, May 24, 2017 at 11:58 AM, Fabrice Bacchella <
>> fabrice.bacche...@orange.fr> wrote:
>>
>>> And tasks are not available through the REST API, I think.
>>>
>>> Le 24 mai 2017 à 11:07, Martin Perina  a écrit :
>>>
>>> Hi,
>>>
>>> there is no direct link between sessions and commands executed by them
>>> in UI. You can take a look into Tasks tab in bottom right corner, if there
>>> are any long running tasks.
>>>
>>> Ravi, would it be possible to display sessionId inside Tasks to be able
>>> to identify which command belongs to which session?
>>>
>>>
>>> Martin Perina
>>>
>>>
>>> On Wed, May 24, 2017 at 9:21 AM, Fabrice Bacchella <
>>> fabrice.bacche...@orange.fr> wrote:
>>>
 No one has the answer ?

 Le 18 mai 2017 à 09:58, Sandro Bonazzola  a écrit
 :

 Adding some people who may be able to answer

 On Wed, May 17, 2017 at 11:45 AM, Fabrice Bacchella <
 fabrice.bacche...@orange.fr> wrote:

> I'm back with a long list of sessions, many of them started since many
> days. How can I get informations about them ?
>
> > Le 3 mai 2017 à 18:52, Fabrice Bacchella <
> fabrice.bacche...@orange.fr> a écrit :
> >
> > In the UI, I see 73 open sessions, all open by me.
> >
> > In ovirt logs, I see a lot of :
> > 2017-05-03 18:49:31,483+02 INFO  
> > [org.ovirt.engine.core.bll.aaa.SessionDataContainer]
> (DefaultQuartzScheduler3) [dcf02fc4-72c3-4237-8855-d4e474766088] Not
> removing session 'B/GWJOxyLh3pXQPPitfCk29iiJ3XW
> MerYdNmOdZyc9ceqD+oAW/hhhZDXCltK+N4yRo9TgunhGR7w7YEELOI5A==', session
> has running commands for user ''.
> >
> > And indeed I can't close those sessions in the UI.
> >
> >
> > I have two questions:
> >
> > Are those sessions accessible using the API ?
> > How to know what running command is waiting ?
> >
>



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Re: [ovirt-users] terminating sessions

[Ravi Nori]

We do not display the information on running tasks or command in the UI.

The information is used internally by engine to keep session alive if there
are commands running for a session. The list of sessions and the associated
commands can be retrieved by running the following sql

su - postgres -c 'psql engine -c "select engine_session_id, command_id,
command_type, command_params_class from command_entities, engine_sessions,
status where command_entities.engine_session_seq_id = engine_sessions.id;"'


On Wed, May 24, 2017 at 6:29 AM, Martin Perina  wrote:

> AFAIK content of Tasks tab in webadmin should be available under
> /ovirt-engine/api/jobs , but sessions are not exposed to API.
>
> On Wed, May 24, 2017 at 11:58 AM, Fabrice Bacchella <
> fabrice.bacche...@orange.fr> wrote:
>
>> And tasks are not available through the REST API, I think.
>>
>> Le 24 mai 2017 à 11:07, Martin Perina  a écrit :
>>
>> Hi,
>>
>> there is no direct link between sessions and commands executed by them in
>> UI. You can take a look into Tasks tab in bottom right corner, if there are
>> any long running tasks.
>>
>> Ravi, would it be possible to display sessionId inside Tasks to be able
>> to identify which command belongs to which session?
>>
>>
>> Martin Perina
>>
>>
>> On Wed, May 24, 2017 at 9:21 AM, Fabrice Bacchella <
>> fabrice.bacche...@orange.fr> wrote:
>>
>>> No one has the answer ?
>>>
>>> Le 18 mai 2017 à 09:58, Sandro Bonazzola  a écrit :
>>>
>>> Adding some people who may be able to answer
>>>
>>> On Wed, May 17, 2017 at 11:45 AM, Fabrice Bacchella <
>>> fabrice.bacche...@orange.fr> wrote:
>>>
 I'm back with a long list of sessions, many of them started since many
 days. How can I get informations about them ?

 > Le 3 mai 2017 à 18:52, Fabrice Bacchella 
 a écrit :
 >
 > In the UI, I see 73 open sessions, all open by me.
 >
 > In ovirt logs, I see a lot of :
 > 2017-05-03 18:49:31,483+02 INFO  
 > [org.ovirt.engine.core.bll.aaa.SessionDataContainer]
 (DefaultQuartzScheduler3) [dcf02fc4-72c3-4237-8855-d4e474766088] Not
 removing session 'B/GWJOxyLh3pXQPPitfCk29iiJ3XW
 MerYdNmOdZyc9ceqD+oAW/hhhZDXCltK+N4yRo9TgunhGR7w7YEELOI5A==', session
 has running commands for user ''.
 >
 > And indeed I can't close those sessions in the UI.
 >
 >
 > I have two questions:
 >
 > Are those sessions accessible using the API ?
 > How to know what running command is waiting ?
 >

>>>
>>>
>>>
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Re: [ovirt-users] ovirt-node-ng & gluster installation question

[Sahina Bose]

On Thu, May 25, 2017 at 3:13 PM, NUNIN Roberto 
wrote:

> I’m trying to install latest oVirt release on a cluster lab.
>
>
>
> I have 6 servers and I need to use gluster from hyperconverged hosted
> engine lab, all of them have volumes for gluster storage, apart OS disks.
>
>
>
> Servers are installed with ovirt-node-ng-installer-ovirt-4.1-pre-2017051210
> iso image.
>
> After installation, full update.
>
>
>
> I’m try to follow the guide in : http://www.ovirt.org/blog/
> 2017/04/up-and-running-with-ovirt-4-1-and-gluster-storage/
>
> In this guide, I can seen in the host selection, the possibility to add
> more than three hosts to the cluster.
>
> In current cockpit version, I can’t see this.
>

Yes, we changed it to a 3 host setup only and removed the possibility to
add more hosts in the initial setup.


>
>
> These are cockpit components, installed in all six servers:
>
>
>
> cockpit-ws-140-1.el7.centos.x86_64
>
> cockpit-system-140-1.el7.centos.noarch
>
> cockpit-140-1.el7.centos.x86_64
>
> cockpit-dashboard-140-1.el7.centos.x86_64
>
> cockpit-storaged-140-1.el7.centos.noarch
>
> cockpit-ovirt-dashboard-0.10.7-0.0.18.el7.centos.noarch
>
> cockpit-bridge-140-1.el7.centos.x86_64
>
>
>
> Two questions:
>
>
>
> Must I proceed with only three servers and only after add the remainder
> three to the cluster, to have distributed gluster solution or I
> must change something in the first installation phase, to add all six
> servers from the beginning ?
>

Please proceed with 3 servers, and then add the remaining 3 to the cluster
from the oVirt UI.

You can add additional gluster volumes from the 3 new servers and create
new storage domain.

If you want to expand the gluster volume that was created in the initial
setup (i.e add new bricks to it) - it's advised to add bricks while there
are no VMs running (this is if you're on a gluster version =3.8, as there's
a bug with rebalance with ongoing I/O)


>
>
> In the second cockpit screen there aren’t default repo/packages, must I
> leave it blank ? (servers are already updated).
>

Yes, leave this blank


>
>
> Thanks in advance for any hints.
>
>
>
> *Roberto *
>
>
>
> --
>
> Questo messaggio e' indirizzato esclusivamente al destinatario indicato e
> potrebbe contenere informazioni confidenziali, riservate o proprietarie.
> Qualora la presente venisse ricevuta per errore, si prega di segnalarlo
> immediatamente al mittente, cancellando l'originale e ogni sua copia e
> distruggendo eventuali copie cartacee. Ogni altro uso e' strettamente
> proibito e potrebbe essere fonte di violazione di legge.
>
> This message is for the designated recipient only and may contain
> privileged, proprietary, or otherwise private information. If you have
> received it in error, please notify the sender immediately, deleting the
> original and all copies and destroying any hard copies. Any other use is
> strictly prohibited and may be unlawful.
>
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[ovirt-users] ovirt-node-ng & gluster installation question

[NUNIN Roberto]

I'm trying to install latest oVirt release on a cluster lab.

I have 6 servers and I need to use gluster from hyperconverged hosted engine 
lab, all of them have volumes for gluster storage, apart OS disks.

Servers are installed with ovirt-node-ng-installer-ovirt-4.1-pre-2017051210 iso 
image.
After installation, full update.

I'm try to follow the guide in : 
http://www.ovirt.org/blog/2017/04/up-and-running-with-ovirt-4-1-and-gluster-storage/
In this guide, I can seen in the host selection, the possibility to add more 
than three hosts to the cluster.
In current cockpit version, I can't see this.

These are cockpit components, installed in all six servers:

cockpit-ws-140-1.el7.centos.x86_64
cockpit-system-140-1.el7.centos.noarch
cockpit-140-1.el7.centos.x86_64
cockpit-dashboard-140-1.el7.centos.x86_64
cockpit-storaged-140-1.el7.centos.noarch
cockpit-ovirt-dashboard-0.10.7-0.0.18.el7.centos.noarch
cockpit-bridge-140-1.el7.centos.x86_64

Two questions:

Must I proceed with only three servers and only after add the remainder three 
to the cluster, to have distributed gluster solution or I must 
change something in the first installation phase, to add all six servers from 
the beginning ?

In the second cockpit screen there aren't default repo/packages, must I leave 
it blank ? (servers are already updated).

Thanks in advance for any hints.

Roberto




Questo messaggio e' indirizzato esclusivamente al destinatario indicato e 
potrebbe contenere informazioni confidenziali, riservate o proprietarie. 
Qualora la presente venisse ricevuta per errore, si prega di segnalarlo 
immediatamente al mittente, cancellando l'originale e ogni sua copia e 
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e potrebbe essere fonte di violazione di legge.

This message is for the designated recipient only and may contain privileged, 
proprietary, or otherwise private information. If you have received it in 
error, please notify the sender immediately, deleting the original and all 
copies and destroying any hard copies. Any other use is strictly prohibited and 
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Re: [ovirt-users] GetStorageDeviceListVDS failed

[Sahina Bose]

Could you provide the supervdsm.log from either host2 or host3.

Were the packages on these hosts updated?
What's the version of python-blivet? Is this different from host1?

On Wed, May 24, 2017 at 6:26 PM, Joel Diaz  wrote:

> Good morning oVirt community,
>
> I need some assistance.
>
> I am running a 3 host, hosted engine, gluster environment. The hosts are
> running centos 7.3 and the engine is version 4.1.2.3
>
> Since yesterday, every 2 hours, the engine reports the error below on host
> 2 and 3.
>
> event ID 10802
>
> VDSM  command GetStorageDeviceListVDS failed:
> 'gluster_vg_sdb-/dev/mapper/36589cfc00f05aea0f2b50f8d76e5: read
> failed after 0 of 4096 at 0: Input/output error'
>
> I've attached logs from both hosts. Hosts 3 is the SPM and holds the
> arbiter brick of all 4 gluster volumes.
>
> As always, your help is appreciated.
>
> Joel
>
>
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Re: [ovirt-users] Issue with deploy HostedEngine on second host with Ovirt 4.1

[Simone Tiraboschi]

On Wed, May 24, 2017 at 8:10 PM,  wrote:

> Hi everybody!
> I get some issue with HA configuration of HostedEngine:
>
> I am trying to deploy it to second host:
>
> 1. Set maintenance for host
> 2. Do reinstall with HostedEngine Deploy option
>
> Installation finished successfully, I did't observe any errors in logs,
> but host did't became HostedEngine ready.
>

could you please attach your host-deploy logs?



>
>
> So I want to switch Host with HE to Maintenance mode and won't get this
> message:
>
> "Error while executing action: Cannot switch the Host(s) to Maintenance
> mode.
> There are no available hosts capable of running the engine VM."
>
> Could you give me steps to resolve this problem?
>
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Re: [ovirt-users] Hi everyone, new guy in the mail list

[Yaniv Kaul]

On Wed, May 24, 2017 at 9:28 PM, Odilon Junior 
wrote:

> Hi everyone, i've just subscribed to the maling list, I was going to ask
> one thing about ovirt in the IRC channel but no one was there.
>
> I've been using ovirt since 3.1, today we have one enviroment with 1 Ovirt
> Engine and 3 baremetal that we use for virtualization running the Ovirt
> 3.6.3. We have 3 NFS share from our colocation provider that are used as
> Storage.
>
> Our collocation will be rolling one emergency maintenance to upgrade the
> firmware on the routers that provides our Private Network, the NFS service
> run on this Private Network,the downtime should be no more than 3 minutes.
>
> I'm concerned, what is the best way to approach this, should we shutdown
> all the VMs and the hypervisor? Or we can just let the Ovirt handle this?
> The communication between the Ovirts and the Engine are from another
> network that will not be affected.
>

You should put everything into maintenance.
Unlike other storages, NFS will hang and you'll have stale mounts
eventually, which cannot be recovered from.
Y.


>
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[ovirt-users] Issue with deploy HostedEngine on second host with Ovirt 4.1

[alex]

Hi everybody!I get some issue with HA configuration of HostedEngine: I am trying to deploy it to second host: 1. Set maintenance for host2. Do reinstall with HostedEngine Deploy option Installation finished successfully, I did't observe any errors in logs, but host did't became HostedEngine ready.  So I want to switch Host with HE to Maintenance mode and won't get this message: "Error while executing action: Cannot switch the Host(s) to Maintenance mode.There are no available hosts capable of running the engine VM." Could you give me steps to resolve this problem?
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Re: [ovirt-users] perf tool ?

[Yaniv Kaul]

On Wed, May 24, 2017 at 5:12 PM, Fabrice Bacchella <
fabrice.bacche...@orange.fr> wrote:

> I'm playing with perf in vm and getting inconsistent result. But I wonder
> if it's a kvm, ovirt or hardware problem.
>
> On a ovirt's vm:
> $ sudo perf list | grep Hardware | wc -l
> 1
> $ lscpu
> ...
> Model name:Intel Core Processor (Haswell, no TSX)
>
> On another ovirt's vm:
> $ sudo perf list | grep Hardware | wc -l
> 27
> $ lscpu
> ...
> Model name:AMD Opteron 23xx (Gen 3 Class Opteron)
>
> On a libvirtm vm:
> sudo perf list | grep Hardware | wc -l
> 1
> lscpu
> ...
> Model name:Westmere E56xx/L56xx/X56xx (Nehalem-C)
> ...
>
> Look's like intel CPU don't expose hardware events. Is there an option on
> kvm or ovirt to help that ?
>

Perhaps you can try with a VDSM hook adding the relevant events[1] to the
libvirt XML?
Y.

[1] https://libvirt.org/formatdomain.html#elementsPerf

>
>
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Re: [ovirt-users] vm has been paused due to unknown storage

[Sahina Bose]

The glusterfs logs contain below errors:
[2017-05-22 18:12:50.941883] E [MSGID: 133010]
[shard.c:1725:shard_common_lookup_shards_cbk] 0-gv2-shard: Lookup on shard
50 failed. Base file gfid = 33f1fe3e-c626-49f2-861e-2259c972931d [No data
available]
[2017-05-22 18:12:50.945085] W [fuse-bridge.c:1291:fuse_err_cbk]
0-glusterfs-fuse: 61306713: FSYNC() ERR => -1 (No data available)

Krutika, could you take a look?

On Thu, May 25, 2017 at 1:02 AM,  wrote:

> Hi,
>
> I setup an ovirt hosted enine, in only one server with local gluster
> bricks.
>
> When running a MS SQL 2012 process to rebuild a data base, which take
> around 4 hours, after a while the VM is paused with the error:
>
> vm has been paused due to unknown storage
>
> The VM disk is in Thin provision
>
> Ovirt and gluter versions:
>
> Version 4.1.1.8-1.el7.centos
>
> glusterfs-cli-3.8.11-1.el7.x86_64
> glusterfs-libs-3.8.11-1.el7.x86_64
> glusterfs-3.8.11-1.el7.x86_64
> glusterfs-client-xlators-3.8.11-1.el7.x86_64
> glusterfs-fuse-3.8.11-1.el7.x86_64
> glusterfs-api-3.8.11-1.el7.x86_64
> glusterfs-server-3.8.11-1.el7.x86_64
>
>
> I can find the reason why
> The logs are attached.
>
> Any idea?
>
> Thanks
>
> --
> --
> Jose Ferradeira
> http://www.logicworks.pt
>
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>
>
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