SAP Knowledge Base Article - Preview

2233766 - Backint backup hanging on backup of Nameserver Topology

Symptom

Backup of nameserver topology does not show any progress in HANA Studio.

Threads in HANA Studio appear like this:

Port Service Thread Method Thread Detail Thread Status
30001 nameserver Request core/stat Running
30001 nameserver JobWorker Backup::BackupExe_Job Semaphore Wait
30001 nameserver JobWorker Backup::BackupExe_Job Semaphore Wait
30001 nameserver JobWorker Unnamed-PipeChannelJob Sleeping
30001 nameserver Request BackupManager Job Exec Waiting
30001 nameserver Request _IDX_BackupExecutor Semaphore Wait
"Sleeping" thread "Unnamed-PipeChannelJob" is hanging with the following call stack:
 1: __nanosleep_nocancel
 2: usleep
 3: Execution::milliSleep
 4: Stream::WritePipeChannel::triggerOpen()
 5: Stream::PipeChannel::triggerWrite
 6: Stream::PipeChannelJob::run
 7: Execution::JobObjectImpl::run
 8: Execution::JobWorker::runJob(ltt::smartptr_handle<Execution::JobObjectForHandle>&)
 9: Execution::JobWorker::run(void*&)
10: Execution::Thread::staticMainImp(void**)
11: Execution::Thread::staticMain(void*)

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Environment

SAP HANA Database 1.0

Keywords

KBA , HAN-DB-BAC , SAP HANA Backup & Recovery , Problem

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