Re: [Suspicious newsletter] RGW: Multiple Site does not sync olds data

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Hi Jean:

Thanks for your info.

Unfortunately I check the secondary cluster and non-objects had been
synced. The only way I have is to force rewrite objects for whole buckets.

I have tried to set up multiple site between Nautilus and octopus. It works
pretty well. But after I upgrade primary cluster to octopus, we have this
issue. :(

Here is the issue: https://tracker.ceph.com/issues/49542#change-193975

Thanks

Jean-Sebastien Landry <Jean-Sebastien.Landry.6@xxxxxxxxx> 于2021年4月27日周二
下午7:52写道:

> Hi, I hit the same errors when doing multisite sync between luminous and
> octopus, but what I founded is that my sync errors was mainly on old
> multipart and shadow objects, at the "rados level" if I might say.
> (leftovers from luminous bugs)
>
> So check at the "user level", using s3cmd/awscli and the objects md5,
> you will probably find that your pretty much in sync. Hopefully.
>
> Cheers!
>
> On 4/25/21 11:29 PM, 特木勒 wrote:
> > [Externe UL*]
> >
> > Another problem I notice for a new bucket, the first object in the bucket
> > will not be sync. the sync will start with the second object. I tried to
> > fix the index on the bucket and manually rerun bucket sync, but the first
> > object still does not sync with secondary cluster.
> >
> > Do you have any ideas for this issue?
> >
> > Thanks
> >
> > 特木勒 <twl007@xxxxxxxxx> 于2021年4月26日周一 上午11:16写道:
> >
> >> Hi Istvan:
> >>
> >> Thanks Amit's suggestion.
> >>
> >> I followed his suggestion to fix bucket index and re-do sync on buckets,
> >> but it still did not work for me.
> >>
> >> Then I tried to use bucket rewrite command to rewrite all the objects in
> >> buckets and it works for me. I think the reason is there's something
> wrong
> >> with bucket index and rewrite has rebuilt the index.
> >>
> >> Here's the command I use:
> >> `sudo radosgw-admin bucket rewrite -b BUCKET-NAME --min-rewrite-size 0`
> >>
> >> Maybe you can try this to fix the sync issues.
> >>
> >> @Amit Ghadge <amitg.b14@xxxxxxxxx> Thanks for your suggestions. Without
> >> your suggestions, I will not notice something wrong with index part.
> >>
> >> Thanks :)
> >>
> >> Szabo, Istvan (Agoda) <Istvan.Szabo@xxxxxxxxx> 于2021年4月26日周一 上午9:57写道:
> >>
> >>> Hi,
> >>>
> >>>
> >>>
> >>> No, doesn’t work, now we will write our own sync app for ceph, I gave
> up.
> >>>
> >>>
> >>>
> >>> Istvan Szabo
> >>> Senior Infrastructure Engineer
> >>> ---------------------------------------------------
> >>> Agoda Services Co., Ltd.
> >>> e: istvan.szabo@xxxxxxxxx
> >>> ---------------------------------------------------
> >>>
> >>>
> >>>
> >>> *From:* 特木勒 <twl007@xxxxxxxxx>
> >>> *Sent:* Friday, April 23, 2021 7:50 PM
> >>> *To:* Szabo, Istvan (Agoda) <Istvan.Szabo@xxxxxxxxx>
> >>> *Cc:* ceph-users@xxxxxxx
> >>> *Subject:* Re: [Suspicious newsletter]  RGW: Multiple Site
> >>> does not sync olds data
> >>>
> >>>
> >>>
> >>> Hi Istvan:
> >>>
> >>>
> >>>
> >>> We just upgraded whole cluster to 15.2.10 and the multiple site still
> >>> cannot sync whole objects to secondary cluster. 🙁
> >>>
> >>>
> >>>
> >>> Do you have any suggestions on this? And I open another issues in ceph
> >>> tracker site:
> >>>
> >>>
> https://can01.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftracker.ceph.com%2Fissues%2F50474&amp;data=04%7C01%7Cjean-sebastien.landry%40dti.ulaval.ca%7C7758dcb00aa0481e098408d90863da13%7C56778bd56a3f4bd3a26593163e4d5bfe%7C1%7C0%7C637550047218082332%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=flvOwiaSDmDRQsbhzZsw5Q16hTmzUj9RXhcBrL6wsjo%3D&amp;reserved=0
> >>>
> >>>
> >>>
> >>> Hope someone could go to check this issue.
> >>>
> >>>
> >>>
> >>> Thanks
> >>>
> >>>
> >>>
> >>> 特木勒 <twl007@xxxxxxxxx>于2021年3月22日 周一下午9:08写道:
> >>>
> >>> Thank you~
> >>>
> >>>
> >>>
> >>> I will try to upgrade cluster too. Seem like this is the only way for
> >>> now. 😭
> >>>
> >>>
> >>>
> >>> I will let you know once I complete testing. :)
> >>>
> >>>
> >>>
> >>> Have a good day
> >>>
> >>>
> >>>
> >>> Szabo, Istvan (Agoda) <Istvan.Szabo@xxxxxxxxx>于2021年3月22日 周一下午3:38写道:
> >>>
> >>> Yeah, doesn't work. Last week they fixed my problem ticket which caused
> >>> the crashes, and due to the crashes stopped the replication I'll give
> a try
> >>> this week again after the update if the daemon doesn't crash, maybe it
> will
> >>> work, because if crash hasn't happened, the data was synced. Fingers
> >>> crossed ;) Don't give up 😄
> >>> ------------------------------
> >>>
> >>> *From:* 特木勒 <twl007@xxxxxxxxx>
> >>> *Sent:* Monday, March 22, 2021 1:38 PM
> >>> *To:* Szabo, Istvan (Agoda) <Istvan.Szabo@xxxxxxxxx>
> >>> *Cc:* ceph-users@xxxxxxx <ceph-users@xxxxxxx>
> >>>
> >>>
> >>> *Subject:* Re: [Suspicious newsletter]  RGW: Multiple Site
> >>> does not sync olds data
> >>>
> >>>
> >>>
> >>> Hi Istvan:
> >>>
> >>>
> >>>
> >>> Do you have any update on directional sync?
> >>>
> >>>
> >>>
> >>> I am trying to upgrade cluster to 15.2.10 to see if the problem is
> >>> solved. :(
> >>>
> >>>
> >>>
> >>> Thanks
> >>>
> >>>
> >>>
> >>> Szabo, Istvan (Agoda) <Istvan.Szabo@xxxxxxxxx> 于2021年3月1日周一 上午10:01写道:
> >>>
> >>> So-so. I had some interruption so it failed on one site, but the other
> is
> >>> kind of working. This is the first time when I saw data caught up in
> the
> >>> radosgw-admin data sync status on 1 side.
> >>>
> >>> Today will finish the other problematic site, I’ll let you know the
> >>> result is it working or not.
> >>>
> >>>
> >>>
> >>> Istvan Szabo
> >>> Senior Infrastructure Engineer
> >>> ---------------------------------------------------
> >>> Agoda Services Co., Ltd.
> >>> e: istvan.szabo@xxxxxxxxx
> >>> ---------------------------------------------------
> >>>
> >>>
> >>>
> >>> *From:* 特木勒 <twl007@xxxxxxxxx>
> >>> *Sent:* Sunday, February 28, 2021 1:34 PM
> >>> *To:* Szabo, Istvan (Agoda) <Istvan.Szabo@xxxxxxxxx>
> >>> *Cc:* ceph-users@xxxxxxx
> >>> *Subject:* Re: [Suspicious newsletter]  RGW: Multiple Site
> >>> does not sync olds data
> >>>
> >>>
> >>>
> >>> Email received from outside the company. If in doubt don't click links
> >>> nor open attachments!
> >>> ------------------------------
> >>>
> >>> Hi Istvan:
> >>>
> >>>
> >>>
> >>> Thanks for your reply.
> >>>
> >>>
> >>>
> >>> Does directional sync solve the problem? I tried to run `radosgw-admin
> >>> sync init`, bit it still did not work. :(
> >>>
> >>>
> >>>
> >>> Thanks
> >>>
> >>>
> >>>
> >>> Szabo, Istvan (Agoda) <Istvan.Szabo@xxxxxxxxx> 于2021年2月26日周五 上午7:47写道:
> >>>
> >>> Same for me, 15.2.8 also.
> >>> I’m trying directional sync now, looks like symmetrical has issue.
> >>>
> >>> Istvan Szabo
> >>> Senior Infrastructure Engineer
> >>> ---------------------------------------------------
> >>> Agoda Services Co., Ltd.
> >>> e: istvan.szabo@xxxxxxxxx<mailto:istvan.szabo@xxxxxxxxx>
> >>> ---------------------------------------------------
> >>>
> >>> On 2021. Feb 26., at 1:03, 特木勒 <twl007@xxxxxxxxx> wrote:
> >>>
> >>> Email received from outside the company. If in doubt don't click links
> >>> nor open attachments!
> >>> ________________________________
> >>>
> >>> Hi all:
> >>>
> >>> ceph version: 15.2.7 (88e41c6c49beb18add4fdb6b4326ca466d931db8)
> >>>
> >>> I have a strange question, I just create a multiple site for Ceph
> cluster.
> >>> But I notice the old data of source cluster is not synced. Only new
> data
> >>> will be synced into second zone cluster.
> >>>
> >>> Is there anything I need to do to enable full sync for bucket or this
> is a
> >>> bug?
> >>>
> >>> Thanks
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