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Patching OCI Instance Fails With "DCS-10001:Internal error encountered: Fail to run SSH keygen" (Doc ID 2450198.1)

Last updated on NOVEMBER 09, 2019

Applies to:

Oracle Cloud Infrastructure - Database Service - Version N/A to N/A [Release 1.0]
Information in this document applies to any platform.


When attempting to patch OCI DBCS instance, the following error is reported in the console

Status: FAILED
Description: Error running backup. See for information on how to determine and fix the problem.

Reviewing the failed job details using "dbcli describe" command shows the below error

2018-09-21 04:39:22,352 INFO [Running SSHKey Gen] [] c.o.d.a.r.s.s.SSHkeyRemovalOperations: Running sshkeygen
2018-09-21 04:39:22,353 DEBUG [Running SSHKey Gen] [] c.o.d.c.u.CommonsUtils:
run: cmd= '[su,
/usr/bin/ssh-keygen -R node1]'
2018-09-21 04:39:22,398 DEBUG [Running SSHKey Gen] [] c.o.d.c.u.c.CommandExecutor: Return code: 1
2018-09-21 04:39:22,398 ERROR [Running SSHKey Gen] [] c.o.d.c.u.CommonsUtils: key_read: uudecode AAAAB3NzaC1ynode1 ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA+bd68LzZxBhMkBFH/agINWer6Qx5Zt7ITu0l6PeaEjQFX+vct7j2k8o4yVpg8EhgtKeSfrF+KRLQLM5Ncdt5ql+9DVJhBXYmDM0LSc1vS/wQNG/wkfKxxlLjLR1O/4oDpL3R2OIkhrJojrQ7w98oXFG2XA94hUBQpHwsnT7XYvGHt++cZ4++mVJyBNYpuGGLuBgtjCNNvWmGWgnJR3EDsuvG2EEf+yezRVfgkTtPsj6f4h8R5lHbPFzpKCCmIgWuXOR4AcMQvl68hqIbchM88Q8zJOUm8IF4/Gv3I3DKiHTHfXspW7vSyu/JhZ91UzWeF47XmP84PXQY3pkwutlW2Q== failed
line 11 invalid key: node01...
/home/oracle/.ssh/known_hosts is not a valid known_hosts file.
Not replacing existing known_hosts file because of errors
 "updatedTime" : 1537519162514,
 "jobId" : "d354534a-e227-4e2a-a34e-e2d89cba54d3",
 "status" : "Failure",
 "message" : "DCS-10001:Internal error encountered: Fail to run SSH keygen.",
 "reports" : [ {
   "updatedTime" : 1537519162490,
   "startTime" : 1537518565723,
   "endTime" : 1537519162480,
   "taskId" : "TaskZLockWrapper_125",
   "status" : "Failure",
   "taskResult" : "DCS-10001:Internal error encountered: Fail to run SSH keygen.",
   "taskName" : "DB Home Precheck",
   "taskDescription" : null,
   "parentTaskId" : "TaskServiceRequest_123",
   "jobId" : "d354534a-e227-4e2a-a34e-e2d89cba54d3",
   "tags" : [ ],
   "reportLevel" : "Error"





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