RMAN OSB backup ORA-19506 ORA-27028 ORA-19511 sbt__shmcreate: Internal error

刘泽宇

现象：
RMAN backup fails with


ORA-19506 "failed to create sequential file, name=\"%s\", parms=\"%s\""
ORA-27028 "skgfqcre: sbtbackup returned error"
ORA-19511 sbt__shmcreate: Internal error - Failed to create shared memory area of size 16838152 + 4440 bytes (Oracle Secure Backup error: 'system is out of shared segments (shared memory manager)')

原因：
Check the operating system kernel settings.

处理方法：
For example, on Linux:

Set in /etc/sysctl.conf. You should check how much RAM is in the system to confirm these are applicable. This is from a server with 16GB RAM.


kernel.shmall = 1073741824
kernel.shmmni = 4096
kernel.msgmni = 2878
kernel.msgmax = 8192
kernel.msgmnb = 65536
kernel.sem = 250 32000 100 142
kernel.shmmax = 4398046511104