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HSM: Migration Keeps Stopping With "Too Many Open Files" Error On The Migration Log File (Doc ID 2827601.1)

Last updated on MARCH 10, 2023

Applies to:

Oracle Hierarchical Storage Manager (HSM) and StorageTek QFS Software - Version 6.1.5 and later
Information in this document applies to any platform.


HSM 6.1.5 migrationd - migration keeps stopping with "Too many open files" error on the migration log files

This secure site customer is using the migration feature with memory assisted copy mode.

When starting up the migration, it seems to work fine and it starts migrating data.
However, eventually, all of the copies begin to stop, as "too many open files" errors appear for the
migration log file (/etc/opt/SUNWsamfs/sammig/logfile).

The customer adjusted the amount of allowed open files via 'ulimit -n' from 256 to 1024 but the issue returned.

According to this customer, the trace file produced 10's of millions of messages in a second, detailing that certain destination media were not migratable.




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