Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Sergey Malinin]

To Zheng Yan:
I'm wondering whether 'session reset' implies the below?


> On 18.10.2018, at 02:18, Alfredo Daniel Rezinovsky 
>  wrote:
> 
>rados -p cephfs_metadata rm mds0_openfiles.0

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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Sergey Malinin]

In my case I was able to bring up the fs successfully after resetting 
sessions+journal and scanning links using cephfs-data-scan tool.


> On 18.10.2018, at 02:18, Alfredo Daniel Rezinovsky 
>  wrote:
> 
> Didnt work for me. Downgraded and mds won't start.
> 
> I also needed to:
> 
>rados -p cephfs_metadata rm mds0_openfiles.0
> 
> or else mds daemon crashed.
> 
> The crash info didn't show any useful information (for me). I couldn't figure 
> this out without Zheng Yan help.
> 
> 
> On 17/10/18 17:36, Paul Emmerich wrote:
>> CephFS will be offline and show up as "damaged" in ceph -s
>> The fix is to downgrade to 13.2.1 and issue a "ceph fs repaired " 
>> command.
>> 
>> 
>> Paul
>> 
>> Am Mi., 17. Okt. 2018 um 21:53 Uhr schrieb Michael Sudnick
>> :
>>> What exactly are the symptoms of the problem? I use cephfs with 13.2.2 with 
>>> two active MDS daemons and at least on the surface everything looks fine. 
>>> Is there anything I should avoid doing until 13.2.3?
>>> 
>>> On Wed, Oct 17, 2018, 14:10 Patrick Donnelly  wrote:
 On Wed, Oct 17, 2018 at 11:05 AM Alexandre DERUMIER  
 wrote:
> Hi,
> 
> Is it possible to have more infos or announce about this problem ?
> 
> I'm currently waiting to migrate from luminious to mimic, (I need new 
> quota feature for cephfs)
> 
> is it safe to upgrade to 13.2.2 ?
> 
> or better to wait to 13.2.3 ? or install 13.2.1 for now ?
 Upgrading to 13.2.1 would be safe.
 
 --
 Patrick Donnelly
 ___
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>> 
>> 
> -- 
> Alfredo Daniel Rezinovsky
> Director de Tecnologías de Información y Comunicaciones
> Facultad de Ingeniería - Universidad Nacional de Cuyo
> 
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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Alfredo Daniel Rezinovsky]

Didnt work for me. Downgraded and mds won't start.

I also needed to:

   rados -p cephfs_metadata rm mds0_openfiles.0

or else mds daemon crashed.

The crash info didn't show any useful information (for me). I couldn't 
figure this out without Zheng Yan help.



On 17/10/18 17:36, Paul Emmerich wrote:

CephFS will be offline and show up as "damaged" in ceph -s
The fix is to downgrade to 13.2.1 and issue a "ceph fs repaired " command.


Paul

Am Mi., 17. Okt. 2018 um 21:53 Uhr schrieb Michael Sudnick
:

What exactly are the symptoms of the problem? I use cephfs with 13.2.2 with two 
active MDS daemons and at least on the surface everything looks fine. Is there 
anything I should avoid doing until 13.2.3?

On Wed, Oct 17, 2018, 14:10 Patrick Donnelly  wrote:

On Wed, Oct 17, 2018 at 11:05 AM Alexandre DERUMIER  wrote:

Hi,

Is it possible to have more infos or announce about this problem ?

I'm currently waiting to migrate from luminious to mimic, (I need new quota 
feature for cephfs)

is it safe to upgrade to 13.2.2 ?

or better to wait to 13.2.3 ? or install 13.2.1 for now ?

Upgrading to 13.2.1 would be safe.

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Facultad de Ingeniería - Universidad Nacional de Cuyo

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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Sergey Malinin]

The problem is caused by unintentional change of on-disk format of MDS purge 
queue. If you have upgraded and didn't hit the bug -- that probably means your 
MDS daemon was deployed after the upgrade, otherwise it wouldn't start.


> On 18.10.2018, at 02:08, Виталий Филиппов  wrote:
> 
> I mean, does every upgraded installation hit this bug, or do some upgrade 
> without any problem?
> 
>> The problem occurs after upgrade, fresh 13.2.2 installs are not affected.
> 
> -- 
> With best regards,
>  Vitaliy Filippov

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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Виталий Филиппов]

I mean, does every upgraded installation hit this bug, or do some upgrade  
without any problem?



The problem occurs after upgrade, fresh 13.2.2 installs are not affected.


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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Sergey Malinin]

The problem occurs after upgrade, fresh 13.2.2 installs are not affected.


> On 17.10.2018, at 23:42, Виталий Филиппов  wrote:
> 
> By the way, does it happen with all installations or only under some 
> conditions?
> 
>> CephFS will be offline and show up as "damaged" in ceph -s
>> The fix is to downgrade to 13.2.1 and issue a "ceph fs repaired " 
>> command.
>> 
>> 
>> Paul
> 
> -- 
> With best regards,
>  Vitaliy Filippov
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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Виталий Филиппов]

By the way, does it happen with all installations or only under some  
conditions?



CephFS will be offline and show up as "damaged" in ceph -s
The fix is to downgrade to 13.2.1 and issue a "ceph fs repaired "  
command.



Paul


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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Paul Emmerich]

CephFS will be offline and show up as "damaged" in ceph -s
The fix is to downgrade to 13.2.1 and issue a "ceph fs repaired " command.


Paul

Am Mi., 17. Okt. 2018 um 21:53 Uhr schrieb Michael Sudnick
:
>
> What exactly are the symptoms of the problem? I use cephfs with 13.2.2 with 
> two active MDS daemons and at least on the surface everything looks fine. Is 
> there anything I should avoid doing until 13.2.3?
>
> On Wed, Oct 17, 2018, 14:10 Patrick Donnelly  wrote:
>>
>> On Wed, Oct 17, 2018 at 11:05 AM Alexandre DERUMIER  
>> wrote:
>> >
>> > Hi,
>> >
>> > Is it possible to have more infos or announce about this problem ?
>> >
>> > I'm currently waiting to migrate from luminious to mimic, (I need new 
>> > quota feature for cephfs)
>> >
>> > is it safe to upgrade to 13.2.2 ?
>> >
>> > or better to wait to 13.2.3 ? or install 13.2.1 for now ?
>>
>> Upgrading to 13.2.1 would be safe.
>>
>> --
>> Patrick Donnelly
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>
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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Michael Sudnick]

What exactly are the symptoms of the problem? I use cephfs with 13.2.2 with
two active MDS daemons and at least on the surface everything looks fine.
Is there anything I should avoid doing until 13.2.3?

On Wed, Oct 17, 2018, 14:10 Patrick Donnelly  wrote:

> On Wed, Oct 17, 2018 at 11:05 AM Alexandre DERUMIER 
> wrote:
> >
> > Hi,
> >
> > Is it possible to have more infos or announce about this problem ?
> >
> > I'm currently waiting to migrate from luminious to mimic, (I need new
> quota feature for cephfs)
> >
> > is it safe to upgrade to 13.2.2 ?
> >
> > or better to wait to 13.2.3 ? or install 13.2.1 for now ?
>
> Upgrading to 13.2.1 would be safe.
>
> --
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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Patrick Donnelly]

On Wed, Oct 17, 2018 at 11:05 AM Alexandre DERUMIER  wrote:
>
> Hi,
>
> Is it possible to have more infos or announce about this problem ?
>
> I'm currently waiting to migrate from luminious to mimic, (I need new quota 
> feature for cephfs)
>
> is it safe to upgrade to 13.2.2 ?
>
> or better to wait to 13.2.3 ? or install 13.2.1 for now ?

Upgrading to 13.2.1 would be safe.

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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Alexandre DERUMIER]

Hi,

Is it possible to have more infos or announce about this problem ?

I'm currently waiting to migrate from luminious to mimic, (I need new quota 
feature for cephfs)

is it safe to upgrade to 13.2.2 ?  

or better to wait to 13.2.3 ? or install 13.2.1 for now ?

--
Alexandre

- Mail original -
De: "Patrick Donnelly" 
À: "Zheng Yan" 
Cc: "ceph-devel" , "ceph-users" 
, ceph-annou...@lists.ceph.com
Envoyé: Lundi 8 Octobre 2018 18:50:59
Objet: Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

+ceph-announce 

On Sun, Oct 7, 2018 at 7:30 PM Yan, Zheng  wrote: 
> There is a bug in v13.2.2 mds, which causes decoding purge queue to 
> fail. If mds is already in damaged state, please downgrade mds to 
> 13.2.1, then run 'ceph mds repaired fs_name:damaged_rank' . 
> 
> Sorry for all the trouble I caused. 
> Yan, Zheng 

This issue is being tracked here: http://tracker.ceph.com/issues/36346 

The problem was caused by a backport of the wrong commit which 
unfortunately was not caught. The backport was not done to Luminous; 
only Mimic 13.2.2 is affected. New deployments on 13.2.2 are also 
affected but do not require immediate action. A procedure for handling 
upgrades of fresh deployments from 13.2.2 to 13.2.3 will be included 
in the release notes for 13.2.3. 
-- 
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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Patrick Donnelly]

+ceph-announce

On Sun, Oct 7, 2018 at 7:30 PM Yan, Zheng  wrote:
> There is a bug in v13.2.2 mds, which causes decoding purge queue to
> fail. If mds is already in damaged state, please downgrade mds to
> 13.2.1, then run 'ceph mds repaired fs_name:damaged_rank' .
>
> Sorry for all the trouble I caused.
> Yan, Zheng

This issue is being tracked here: http://tracker.ceph.com/issues/36346

The problem was caused by a backport of the wrong commit which
unfortunately was not caught. The backport was not done to Luminous;
only Mimic 13.2.2 is affected. New deployments on 13.2.2 are also
affected but do not require immediate action. A procedure for handling
upgrades of fresh deployments from 13.2.2 to 13.2.3 will be included
in the release notes for 13.2.3.
-- 
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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Alex Litvak]

This is would be a question I had since Zheng posted the problem.  I 
recently purged a brand new cluster because I needed to change default 
WAL/DB settings on all OSDs in collocate scenario.  I decided to  jump 
to 13.2.2 rather then upgrade from 13.2.1.  Now I wonder if I am still 
in trouble.


Also, shouldn't the message to users be less subtle ( ... fix i coming 
...) as this seem to be a production affecting issue for some.


On 10/8/2018 11:18 AM, Paul Emmerich wrote:

Does this only affect upgraded CephFS deployments? A fresh 13.2.2
should work fine if I'm interpreting this bug correctly?

Paul

Am Mo., 8. Okt. 2018 um 11:53 Uhr schrieb Daniel Carrasco
:




El lun., 8 oct. 2018 5:44, Yan, Zheng  escribió:


On Mon, Oct 8, 2018 at 11:34 AM Daniel Carrasco  wrote:


I've got several problems on 12.2.8 too. All my standby MDS uses a lot of 
memory (while active uses normal memory), and I'm receiving a lot of slow MDS 
messages (causing the webpage to freeze and fail until MDS are restarted)... 
Finally I had to copy the entire site to DRBD and use NFS to solve all 
problems...



was standby-replay enabled?



I've tried both and I've seen more less the same behavior, maybe less when is 
not in replay mode.

Anyway, we've deactivated CephFS for now there. I'll try with older versions on 
a test environment




El lun., 8 oct. 2018 a las 5:21, Alex Litvak () 
escribió:


How is this not an emergency announcement?  Also I wonder if I can
downgrade at all ?  I am using ceph with docker deployed with
ceph-ansible.  I wonder if I should push downgrade or basically wait for
the fix.  I believe, a fix needs to be provided.

Thank you,

On 10/7/2018 9:30 PM, Yan, Zheng wrote:

There is a bug in v13.2.2 mds, which causes decoding purge queue to
fail. If mds is already in damaged state, please downgrade mds to
13.2.1, then run 'ceph mds repaired fs_name:damaged_rank' .

Sorry for all the trouble I caused.
Yan, Zheng




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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Paul Emmerich]

Does this only affect upgraded CephFS deployments? A fresh 13.2.2
should work fine if I'm interpreting this bug correctly?

Paul

Am Mo., 8. Okt. 2018 um 11:53 Uhr schrieb Daniel Carrasco
:
>
>
>
> El lun., 8 oct. 2018 5:44, Yan, Zheng  escribió:
>>
>> On Mon, Oct 8, 2018 at 11:34 AM Daniel Carrasco  wrote:
>> >
>> > I've got several problems on 12.2.8 too. All my standby MDS uses a lot of 
>> > memory (while active uses normal memory), and I'm receiving a lot of slow 
>> > MDS messages (causing the webpage to freeze and fail until MDS are 
>> > restarted)... Finally I had to copy the entire site to DRBD and use NFS to 
>> > solve all problems...
>> >
>>
>> was standby-replay enabled?
>
>
> I've tried both and I've seen more less the same behavior, maybe less when is 
> not in replay mode.
>
> Anyway, we've deactivated CephFS for now there. I'll try with older versions 
> on a test environment
>
>>
>> > El lun., 8 oct. 2018 a las 5:21, Alex Litvak 
>> > () escribió:
>> >>
>> >> How is this not an emergency announcement?  Also I wonder if I can
>> >> downgrade at all ?  I am using ceph with docker deployed with
>> >> ceph-ansible.  I wonder if I should push downgrade or basically wait for
>> >> the fix.  I believe, a fix needs to be provided.
>> >>
>> >> Thank you,
>> >>
>> >> On 10/7/2018 9:30 PM, Yan, Zheng wrote:
>> >> > There is a bug in v13.2.2 mds, which causes decoding purge queue to
>> >> > fail. If mds is already in damaged state, please downgrade mds to
>> >> > 13.2.1, then run 'ceph mds repaired fs_name:damaged_rank' .
>> >> >
>> >> > Sorry for all the trouble I caused.
>> >> > Yan, Zheng
>> >> >
>> >>
>> >>
>> >> ___
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>> >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>> >
>> >
>> >
>> > --
>> > _
>> >
>> >   Daniel Carrasco Marín
>> >   Ingeniería para la Innovación i2TIC, S.L.
>> >   Tlf:  +34 911 12 32 84 Ext: 223
>> >   www.i2tic.com
>> > _
>> > ___
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>> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Daniel Carrasco]

El lun., 8 oct. 2018 5:44, Yan, Zheng  escribió:

> On Mon, Oct 8, 2018 at 11:34 AM Daniel Carrasco 
> wrote:
> >
> > I've got several problems on 12.2.8 too. All my standby MDS uses a lot
> of memory (while active uses normal memory), and I'm receiving a lot of
> slow MDS messages (causing the webpage to freeze and fail until MDS are
> restarted)... Finally I had to copy the entire site to DRBD and use NFS to
> solve all problems...
> >
>
> was standby-replay enabled?
>

I've tried both and I've seen more less the same behavior, maybe less when
is not in replay mode.

Anyway, we've deactivated CephFS for now there. I'll try with older
versions on a test environment


> > El lun., 8 oct. 2018 a las 5:21, Alex Litvak (<
> alexander.v.lit...@gmail.com>) escribió:
> >>
> >> How is this not an emergency announcement?  Also I wonder if I can
> >> downgrade at all ?  I am using ceph with docker deployed with
> >> ceph-ansible.  I wonder if I should push downgrade or basically wait for
> >> the fix.  I believe, a fix needs to be provided.
> >>
> >> Thank you,
> >>
> >> On 10/7/2018 9:30 PM, Yan, Zheng wrote:
> >> > There is a bug in v13.2.2 mds, which causes decoding purge queue to
> >> > fail. If mds is already in damaged state, please downgrade mds to
> >> > 13.2.1, then run 'ceph mds repaired fs_name:damaged_rank' .
> >> >
> >> > Sorry for all the trouble I caused.
> >> > Yan, Zheng
> >> >
> >>
> >>
> >> ___
> >> ceph-users mailing list
> >> ceph-users@lists.ceph.com
> >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> >
> >
> >
> > --
> > _
> >
> >   Daniel Carrasco Marín
> >   Ingeniería para la Innovación i2TIC, S.L.
> >   Tlf:  +34 911 12 32 84 Ext: 223
> >   www.i2tic.com
> > _
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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Yan, Zheng]

On Mon, Oct 8, 2018 at 11:34 AM Daniel Carrasco  wrote:
>
> I've got several problems on 12.2.8 too. All my standby MDS uses a lot of 
> memory (while active uses normal memory), and I'm receiving a lot of slow MDS 
> messages (causing the webpage to freeze and fail until MDS are restarted)... 
> Finally I had to copy the entire site to DRBD and use NFS to solve all 
> problems...
>

was standby-replay enabled?

> El lun., 8 oct. 2018 a las 5:21, Alex Litvak () 
> escribió:
>>
>> How is this not an emergency announcement?  Also I wonder if I can
>> downgrade at all ?  I am using ceph with docker deployed with
>> ceph-ansible.  I wonder if I should push downgrade or basically wait for
>> the fix.  I believe, a fix needs to be provided.
>>
>> Thank you,
>>
>> On 10/7/2018 9:30 PM, Yan, Zheng wrote:
>> > There is a bug in v13.2.2 mds, which causes decoding purge queue to
>> > fail. If mds is already in damaged state, please downgrade mds to
>> > 13.2.1, then run 'ceph mds repaired fs_name:damaged_rank' .
>> >
>> > Sorry for all the trouble I caused.
>> > Yan, Zheng
>> >
>>
>>
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>
>
>
> --
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>
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>   Ingeniería para la Innovación i2TIC, S.L.
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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Daniel Carrasco]

I've got several problems on 12.2.8 too. All my standby MDS uses a lot of
memory (while active uses normal memory), and I'm receiving a lot of slow
MDS messages (causing the webpage to freeze and fail until MDS are
restarted)... Finally I had to copy the entire site to DRBD and use NFS to
solve all problems...

El lun., 8 oct. 2018 a las 5:21, Alex Litvak ()
escribió:

> How is this not an emergency announcement?  Also I wonder if I can
> downgrade at all ?  I am using ceph with docker deployed with
> ceph-ansible.  I wonder if I should push downgrade or basically wait for
> the fix.  I believe, a fix needs to be provided.
>
> Thank you,
>
> On 10/7/2018 9:30 PM, Yan, Zheng wrote:
> > There is a bug in v13.2.2 mds, which causes decoding purge queue to
> > fail. If mds is already in damaged state, please downgrade mds to
> > 13.2.1, then run 'ceph mds repaired fs_name:damaged_rank' .
> >
> > Sorry for all the trouble I caused.
> > Yan, Zheng
> >
>
>
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> ceph-users@lists.ceph.com
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>


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Re: [ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Alex Litvak]

How is this not an emergency announcement?  Also I wonder if I can 
downgrade at all ?  I am using ceph with docker deployed with 
ceph-ansible.  I wonder if I should push downgrade or basically wait for 
the fix.  I believe, a fix needs to be provided.


Thank you,

On 10/7/2018 9:30 PM, Yan, Zheng wrote:

There is a bug in v13.2.2 mds, which causes decoding purge queue to
fail. If mds is already in damaged state, please downgrade mds to
13.2.1, then run 'ceph mds repaired fs_name:damaged_rank' .

Sorry for all the trouble I caused.
Yan, Zheng




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[ceph-users] Don't upgrade to 13.2.2 if you use cephfs

[Yan, Zheng]

There is a bug in v13.2.2 mds, which causes decoding purge queue to
fail. If mds is already in damaged state, please downgrade mds to
13.2.1, then run 'ceph mds repaired fs_name:damaged_rank' .

Sorry for all the trouble I caused.
Yan, Zheng
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