Sometimes You can get ” PROT-1 PROC-26 ORA-12536: TNS:-Operation would block errors ” During GI root.sh .
Details of error are as follows.
Grid Infrastructure root.sh fails on node1,
Disk Group DATA created successfully. PROT-1: Failed to initialize ocrconfig PROC-26: Error while accessing the physical storage ORA-12536: TNS:-Operation would block 2020/05/04 11:34:42 CLSRSC-157: Failed to create Oracle Cluster Registry configuration 2020/05/04 11:34:42 CLSRSC-259: Oracle Clusterware Repository configuration failed
This error is related with Insufficient ulimit setting for root user.
# ulimit -a .... open files (-n) 256 .... max user processes (-u) 128
the maxuproc ( Maximum number of PROCESSES ) was set too low
lsattr -El sys0 | grep maxuproc maxuproc 128 Maximum number of PROCESSES allowed per user True
To solve this error, increase it to 16384
lsattr -El sys0 | grep maxuproc maxuproc 16384 Maximum number of PROCESSES allowed per user True
After change the ulimit to the recommended value in orachk, re-run of root.sh will be successful.
Do you want to learn more details about RMAN, then read the following articles.
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