RMAN Restore Performance from Tape is Very Poor
(Doc ID 850988.1)
Last updated on APRIL 03, 2020
Applies to:
Oracle Database - Enterprise Edition - Version 10.2.0.4 to 11.1.0.7 [Release 10.2 to 11.1]Information in this document applies to any platform.
Symptoms
RMAN restore from sbt backup is very slow compared to backup speed.
Backup rate is 60-90 Mb/sec.
Restore rate is 6 Mb/sec.
Backup is hardware multiplexed but media manager does support multiplexed backups.
Restore validate runtime is VERY fast so problem is the write back to disk.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |