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Posted to issues@ozone.apache.org by "Neil Joshi (Jira)" <ji...@apache.org> on 2023/02/17 01:30:00 UTC

[jira] [Created] (HDDS-7985) [SCM HA] On SCM Disk failure recovery causes Datanode Failure on startup

Neil Joshi created HDDS-7985:
--------------------------------

             Summary: [SCM HA] On SCM Disk failure recovery causes Datanode Failure on startup 
                 Key: HDDS-7985
                 URL: https://issues.apache.org/jira/browse/HDDS-7985
             Project: Apache Ozone
          Issue Type: Bug
            Reporter: Neil Joshi


Recovery from an SCM disk failure when no backup is avail requires,
 * Clean _ozone.scm.db.dirs_ __ and __ _ozone.metadata.dirs_ locations

and bootstrapping the SCM.  Whether SCM is primodial or not an error occurs when recovering from a failed disk with no backup when starting a datanode after SCM recovery. 

 

Datanodes brought up after SCM disk failure recovery are unable to start due to a CA certificate error observed, stating the number of certificates received from the SCM is greater than the number expected:
{code:java}
ozonesecure-ha-datanode1-1  | 2023-02-17 00:46:40 INFO  HAUtils:457 - Expected CA list size 4, where as received CA List size 5.{code}
In this case when listing the certificates stored by the SCM, it reports a total of 5 scm certificates after SCM2 recovers from disk failure:

 
{code:java}
CN=scm@scm1.org
CN=scm-sub@scm1.org
CN=scm-sub@scm2.org
CN=scm-sub@scm3.org
CN=scm-sub@scm2.org
 
{code}
It appears to have 2 entries for SCM 2 (the scm disk failure recovery node)

 

$ ozone admin certs list

bash-4.2$ ozone admin cert list
{code:java}
Total 12 valid certificates: 
SerialNumber      Valid From                     Expiry                         Subject                                                                                                       
1                 Fri Feb 17 00:00:00 UTC 2023   Mon Mar 27 00:00:00 UTC 2028   O=CID-abb46225-77ba-4132-ac6e-96792b40450c, OU=f02b032a-7da0-4132-8a31-61c3d078e6cb, CN=scm@scm1.org          
10760186198072    Fri Feb 17 00:00:00 UTC 2023   Mon Mar 27 00:00:00 UTC 2028   O=CID-abb46225-77ba-4132-ac6e-96792b40450c, OU=f02b032a-7da0-4132-8a31-61c3d078e6cb, CN=scm-sub@scm1.org      
10779888473070    Fri Feb 17 00:00:00 UTC 2023   Sat Feb 17 00:00:00 UTC 2024   O=CID-abb46225-77ba-4132-ac6e-96792b40450c, OU=f02b032a-7da0-4132-8a31-61c3d078e6cb, CN=recon@recon           
10780166036417    Fri Feb 17 00:00:00 UTC 2023   Mon Mar 27 00:00:00 UTC 2028   O=CID-abb46225-77ba-4132-ac6e-96792b40450c, OU=f99f1a81-7cce-44c9-a09b-9f7bbc48b6ac, CN=scm-sub@scm2.org      
10788394717480    Fri Feb 17 00:00:00 UTC 2023   Mon Mar 27 00:00:00 UTC 2028   O=CID-abb46225-77ba-4132-ac6e-96792b40450c, OU=598be6bc-7d86-4cab-84dc-668a162a7ec2, CN=scm-sub@scm3.org      
10800769855768    Fri Feb 17 00:00:00 UTC 2023   Sat Feb 17 00:00:00 UTC 2024   O=CID-abb46225-77ba-4132-ac6e-96792b40450c, OU=f02b032a-7da0-4132-8a31-61c3d078e6cb, CN=dn@bd3138308a3f       
10801305457014    Fri Feb 17 00:00:00 UTC 2023   Sat Feb 17 00:00:00 UTC 2024   O=CID-abb46225-77ba-4132-ac6e-96792b40450c, OU=f02b032a-7da0-4132-8a31-61c3d078e6cb, CN=dn@e4795cc77124       
10801871334038    Fri Feb 17 00:00:00 UTC 2023   Sat Feb 17 00:00:00 UTC 2024   O=CID-abb46225-77ba-4132-ac6e-96792b40450c, OU=f02b032a-7da0-4132-8a31-61c3d078e6cb, CN=dn@3eb28ff965a1       
10803980992569    Fri Feb 17 00:00:00 UTC 2023   Sat Feb 17 00:00:00 UTC 2024   O=CID-abb46225-77ba-4132-ac6e-96792b40450c, OU=f02b032a-7da0-4132-8a31-61c3d078e6cb, CN=om2                   
10804543987939    Fri Feb 17 00:00:00 UTC 2023   Sat Feb 17 00:00:00 UTC 2024   O=CID-abb46225-77ba-4132-ac6e-96792b40450c, OU=f02b032a-7da0-4132-8a31-61c3d078e6cb, CN=om3                   
10806118720884    Fri Feb 17 00:00:00 UTC 2023   Sat Feb 17 00:00:00 UTC 2024   O=CID-abb46225-77ba-4132-ac6e-96792b40450c, OU=f02b032a-7da0-4132-8a31-61c3d078e6cb, CN=om1                   
10932809284268    Fri Feb 17 00:00:00 UTC 2023   Mon Mar 27 00:00:00 UTC 2028   O=CID-abb46225-77ba-4132-ac6e-96792b40450c, OU=b4a175f3-c6a4-47fd-bcc5-c081b03de8c7, CN=scm-sub@scm2.org      {code}



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