Database Backup and Recovery (MOSC)

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ORA-27061: waiting for async I/Os failed

edited Apr 13, 2012 7:14AM in Database Backup and Recovery (MOSC) 7 commentsAnswered
Hi,

 On Oracle enterprice edition 10.2.0.4.0 on
"Linux moon 2.6.18-194.el5 #1 SMP Tue Mar 16 21:52:39 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux"


 I took a full hot backup,  when I try to restore using rman, I was getting

ORA-19870: error reading backup piece /ORACLE_DB_BACKUP/archive/ora_df_779793969_s2279_p1
ORA-19502: write error on file "/u02/oradata/VSAM/undotbs01.dbf", blockno 1050993 (blocksize=8192)
ORA-27061: waiting for async I/Os failed
Linux-x86_64 Error: 28: No space left on device

Checked /u02 and it has 4GB of space. Did some reseach and I did the following:
changed
disk_asynch_io=true
filesystemio_options='setall'
To
disk_asynch_io=false

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