On Thu, Jun 23, 2016 at 6:38 PM, 王海涛 <whtjyl@xxxxxxx> wrote:
> Hi, Brad:
> This is the output of "ceph osd crush show-tunables -f json-pretty"
> {
> "choose_local_tries": 0,
> "choose_local_fallback_tries": 0,
> "choose_total_tries": 50,
> "chooseleaf_descend_once": 1,
> "chooseleaf_vary_r": 1,
> "chooseleaf_stable": 0,
> "straw_calc_version": 1,
> "allowed_bucket_algs": 22,
> "profile": "firefly",
> "optimal_tunables": 0,
> "legacy_tunables": 0,
> "minimum_required_version": "firefly",
> "require_feature_tunables": 1,
> "require_feature_tunables2": 1,
> "has_v2_rules": 0,
> "require_feature_tunables3": 1,
> "has_v3_rules": 0,
> "has_v4_buckets": 0,
> "require_feature_tunables5": 0,
> "has_v5_rules": 0
> }
>
> The value of "require_feature_tunables3" is 1, I think It need to be 0 to
> make my rbd map success.
> So I set it to 0 by ceph osd crush tool, but it still dosn't work.
> Then I checked the rbd image info:
> rbd image 'myimage':
> size 1024 MB in 256 objects
> order 22 (4096 kB objects)
> block_name_prefix: rbd_data.5e3074b0dc51
> format: 2
> features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
> flags:
>
> It looks like that some of the features are not supported by my rbd kernel
> module.
> Because when I get rid of the last 4 features, and only keep the "layering"
> feature,
> the image seems to be mapped and used rightly.
>
> Thanks for your answer!
yw
>
> Kind Regards,
> Haitao Wang
>
> At 2016-06-23 09:51:02, "Brad Hubbard" <bhubbard@xxxxxxxxxx> wrote:
>>On Wed, Jun 22, 2016 at 3:20 PM, 王海涛 <whtjyl@xxxxxxx> wrote:
>>> I find this message in dmesg:
>>> [83090.212918] libceph: mon0 192.168.159.128:6789 feature set mismatch,
>>> my
>>> 4a042a42 < server's 2004a042a42, missing 20000000000
>>>
>>> According to
>>>
>>> "http://cephnotes.ksperis.com/blog/2014/01/21/feature-set-mismatch-error-on-ceph-kernel-client";,
>>> this could mean that I need to upgrade kernel client up to 3.15 or
>>> disable
>>> tunable 3 features.
>>> Our cluster is not convenient to upgrade.
>>> Could you tell me how to disable tunable 3 features?
>>
>>Can you show the output of the following command please?
>>
>># ceph osd crush show-tunables -f json-pretty
>>
>>I believe you'll need to use "ceph osd crush tunables " to adjust this.
>>
>>>
>>> Thanks!
>>>
>>> Kind Regards,
>>> Haitao Wang
>>>
>>>
>>> At 2016-06-22 12:33:42, "Brad Hubbard" <bhubbard@xxxxxxxxxx> wrote:
>>>>On Wed, Jun 22, 2016 at 1:35 PM, 王海涛 <whtjyl@xxxxxxx> wrote:
>>>>> Hi All
>>>>>
>>>>> I'm using ceph-10.1.1 to map a rbd image ,but it dosen't work ,the
>>>>> error
>>>>> messages are:
>>>>>
>>>>> root@heaven:~#rbd map rbd/myimage --id admin
>>>>> 2016-06-22 11:16:34.546623 7fc87ca53d80 -1 WARNING: the following
>>>>> dangerous
>>>>> and experimental features are enabled: bluestore,rocksdb
>>>>> 2016-06-22 11:16:34.547166 7fc87ca53d80 -1 WARNING: the following
>>>>> dangerous
>>>>> and experimental features are enabled: bluestore,rocksdb
>>>>> 2016-06-22 11:16:34.549018 7fc87ca53d80 -1 WARNING: the following
>>>>> dangerous
>>>>> and experimental features are enabled: bluestore,rocksdb
>>>>> rbd: sysfs write failed
>>>>> rbd: map failed: (5) Input/output error
>>>>
>>>>Anything in dmesg, or anywhere, about "feature set mismatch" ?
>>>>
>>>>http://cephnotes.ksperis.com/blog/2014/01/21/feature-set-mismatch-error-on-ceph-kernel-client
>>>>
>>>>>
>>>>> Could someone tell me what's wrong?
>>>>> Thanks!
>>>>>
>>>>> Kind Regards,
>>>>> Haitao Wang
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> ceph-users mailing list
>>>>> ceph-users@xxxxxxxxxxxxxx
>>>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>>>>
>>>>
>>>>
>>>>
>>>>--
>>>>Cheers,
>>>>Brad
>>
>>
>>
>>--
>>Cheers,
>>Brad
--
Cheers,
Brad
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