NetWorker: Upgrade Fails with "Unable to connect server, Remote system error…"
Summary: Unable to connect server, Remote system error, No connection could be made because the target machine actively refused it.
Symptoms
Upgrade to NetWorker 9.1 in order to use vSphere 6.5.
The following error message in NMC:
Unable to connect server, Remote system error, No connection could be made because the target machine actively refused it nsrctld NSR notice Daemon nsrd terminated C:\Program Files\EMC NetWorker\nsr\logs>nsrrpcinfo -t <Networker_server_name> 390103 nsrrpcinfo: Remote system error - Only one usage of each socket address (protocol/network address/port) is normally permitted. nsrjobd severe Unable to query RAP database for initial RDZ value: RPC send operation failed; peer = ::1:[8992], errno = An existing connection was forcibly closed by the remote host.
Cause
The process nsrd keeps failing, and restarting.
NSRDB is corrupted.
Resolution
Steps:
-
Follow the procedure to recover
nsrdb, usingnsrdr.
Open a command prompt as user administrator or root and run:mminfo -B -
If MM is unavailable, log in to
\nsr\logs\policy\Server Protection\Server backup, search for the latest bootstrap backup, and take notes of the highlighted information.
Example:
129292:save: Successfully established Client direct save session for save-set ID '2025432100' (networker.com:bootstrap) with Data Domain volume 'POOLFILESERVER.001'. Picked up JAVA_TOOL_OPTIONS: -Djava.vendor="New Oracle" save: bootstrap level=full, 36 MB 00:00:23 412 files completed savetime=1488561188 7167:save: save completion time: 3/3/2017 11:13:31 AM 94694:save: The backup of save set 'bootstrap' succeeded Bootstrap saveset: 2025432100 Volume:POOLFILESERVER.001
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Inside
nsr\logs\policy\Server Protection\Server backup, you may also find a file with the information about Pool or Volume. For example
3/3/2017 11:13:08 AM 2025432100 POOLFILESERVER.001 datadomain datadomain_FILESERVER datadomain:/ddnw/FILESERVER
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Stop all NetWorker services.
Rename res folder under
<NetWorker Installation path>\nsr -
Start NetWorker services.
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Open NMC, reconfigure the device where the Saveset was saved.
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From a command prompt as user administrator or root run the command:
nsrdr -B {bootstrap_saveset_id} -d {device}
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To open nsrdr in interactive mode. For example
nsrdr -B 2025432100 -d ddnw
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After completion restart all NetWorker services.
Open NMC if its empty or present an error message:
An error occurred while validating user credentials. Verify that NetWorker Authentication Service is running.
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Stop GST services.
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Reauthorize the NMC with NWS.
gstauthcfg -ct -h New_authentication_service_hostname -p port_number nsrauthtrust -H Authentication_service_host -P Authentication_service_port_number nsraddadmin -H Authentication_service_host -P Authentication_service_port_number
Additional Information
Article Number 000497020 NetWorker: Cannot-access-NMC An error occurred while validating user credentials. Verify that NetWorker Authentication Service is running