Re: set-require-min-compat-client failed

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Well, but the client with kernel 3.10 could work well several days ago, when the cluster version was also 12.2.10

-----Original Message-----
From: Wido den Hollander [mailto:wido@xxxxxxxx] 
Sent: Wednesday, January 09, 2019 4:48 PM
To: 楼锴毅; ceph-users@xxxxxxxxxxxxxx
Subject: Re:  set-require-min-compat-client failed



On 1/9/19 8:00 AM, 楼锴毅 wrote:
> Hi all ,
> 
>   My cluster verison is 12.2.10, and some of my clients’ kernel 
> version is 3.10 , but I got “require_min_compat_client luminous” when 
> I ran “ceph osd dump”
> 

Did you set this manually?

If so, were the 3.10 kernel clients connected at that moment?

>   Then I tried to run
> 
> “ceph osd set-require-min-compat-client jewel”
> 
> It shows :
> 
> “Error EPERM: osdmap current utilizes features that require luminous; 
> cannot set require_min_compat_client below that to jewel”
> 
> How could I deal with it? Update the kernel seems to be impossible…
> 

I think that a kernel upgrade would be the easiest way to go as rolling this back will be difficult and uncharted territory.

Wido

>  
> 
>   And here is the imformation about tunables :
> 
>   {
> 
>     "choose_local_tries": 0,
> 
>     "choose_local_fallback_tries": 0,
> 
>     "choose_total_tries": 50,
> 
>     "chooseleaf_descend_once": 1,
> 
>     "chooseleaf_vary_r": 1,
> 
>     "chooseleaf_stable": 1,
> 
>     "straw_calc_version": 1,
> 
>     "allowed_bucket_algs": 54,
> 
>     "profile": "jewel",
> 
>     "optimal_tunables": 1,
> 
>     "legacy_tunables": 0,
> 
>     "minimum_required_version": "jewel",
> 
>     "require_feature_tunables": 1,
> 
>     "require_feature_tunables2": 1,
> 
>     "has_v2_rules": 0,
> 
>     "require_feature_tunables3": 1,
> 
>     "has_v3_rules": 0,
> 
>     "has_v4_buckets": 1,
> 
>     "require_feature_tunables5": 1,
> 
>     "has_v5_rules": 0
> 
> }
> 
>  
> 
> Thanks a lot
> 
>  
> 
> 楼锴毅
> 
> 技术产品中心
> 
>  
> 
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> 
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> 
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> 
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> 
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> 
>  
> 
> 
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