IBM Support

Mongo DB Backup is failing

Troubleshooting


Problem

On one ICP cluster, the mongodb backup fails.
The same procedure used on other ICP cluster works just fine.
Backup is performed by invoking mongodump command:
kubectl -n kube-system exec icp-mongodb-0 -- sh -c 'mkdir -p /work-dir/Backup/mongodump; mongodump --oplog --out /work-dir/Backup/mongodump --host rs0/mongodb:27017 --username $ADMIN_USER --password $ADMIN_PASSWORD --authenticationDatabase admin --ssl --sslCAFile /data/configdb/tls.crt --sslPEMKeyFile /work-dir/mongo.pem'

 

Symptom

It fails with:
    2020-04-22T09:35:17.338+0000   done dumping metering_DB.usage (2722178 documents)
    2020-04-22T09:35:17.402+0000   writing captured oplog to
    2020-04-22T09:35:30.874+0000   Failed: error dumping oplog: error reading from db: EOF

Document Location

Worldwide

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSBS6K","label":"IBM Cloud Private"},"ARM Category":[{"code":"a8m50000000L2IsAAK","label":"IBM Cloud Private-\u003EBackup and Restore"}],"ARM Case Number":"TS003621035","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Version(s)","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

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Document Information

Modified date:
08 May 2020

UID

ibm16207935