Hello,
I met the message with ceph 10.2.0 in following situation
My details
====================
[ceph@osd1 ~]$ date;ceph -v; ceph osd crush show-tunables
Fri May 6 22:29:56 MSK 2016
ceph version 10.2.0 (3a9fba20ec743699b69bd0181dd6c54dc01c64b9)
{
"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
}
[ceph@osd1 ~]$ uname -a
Linux osd1.pnpi.spb.ru 3.10.0-327.13.1.el7.x86_64 #1 SMP Thu Mar 31
11:10:31 CDT 2016 x86_64 x86_64 x86_64 GNU/Linux
[ceph@ceph-admin ~]$ date;sudo mount -t ceph 10.10.1.11:/
/mnt/mycephfs -o name=admin,secretfile=/etc/ceph/admin.key;
sudo tail /var/log/messages
Fri May 6 22:31:14 MSK 2016
mount error 5 = Input/output error
May 6 22:31:24 ceph-admin kernel: libceph: mon0 10.10.1.11:6789
feature set mismatch, my 103b84a842aca < server's 40103b84a842aca,
missing 400000000000000
May 6 22:31:24 ceph-admin kernel: libceph: mon0 10.10.1.11:6789
missing required protocol features
May 6 22:31:34 ceph-admin kernel: libceph: mon0 10.10.1.11:6789
feature set mismatch, my 103b84a842aca < server's 40103b84a842aca,
missing 400000000000000
May 6 22:31:34 ceph-admin kernel: libceph: mon0 10.10.1.11:6789
missing required protocol features
May 6 22:31:44 ceph-admin kernel: libceph: mon0 10.10.1.11:6789
feature set mismatch, my 103b84a842aca < server's 40103b84a842aca,
missing 400000000000000
May 6 22:31:44 ceph-admin kernel: libceph: mon0 10.10.1.11:6789
missing required protocol features
May 6 22:31:54 ceph-admin kernel: libceph: mon0 10.10.1.11:6789
feature set mismatch, my 103b84a842aca < server's 40103b84a842aca,
missing 400000000000000
May 6 22:31:54 ceph-admin kernel: libceph: mon0 10.10.1.11:6789
missing required protocol features
May 6 22:32:04 ceph-admin kernel: libceph: mon0 10.10.1.11:6789
feature set mismatch, my 103b84a842aca < server's 40103b84a842aca,
missing 400000000000000
May 6 22:32:04 ceph-admin kernel: libceph: mon0 10.10.1.11:6789
missing required protocol features
As I guessed I need to switch off the "require_feature_tunables5" to
remove the error messages.
Can somebody tell me how to do that ?
Many thanks in advance.
--
Andrey Y Shevel
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