以前碰到过类似的ORA-27300系列错误，问题都是和系统上错误有关，这次的问题也不例外。

详细错误信息如下：

Tue May 17 22:01:04 2011
Process startup failed, error stack:
Tue May 17 22:01:04 2011
Errors in file /home/oracle/admin/ARIC/bdump/aric_psp0_866.trc:
ORA-27300: OS system dependent operation:fork failed with status: 11
ORA-27301: OS failure message: Resource temporarily unavailable
ORA-27302: failure occurred at: skgpspawn3
Tue May 17 22:01:05 2011
Process J001 died, see its trace file
Tue May 17 22:01:05 2011
kkjcre1p: unable to spawn jobq slave process
Tue May 17 22:01:05 2011
Errors in file /home/oracle/admin/ARIC/bdump/aric_cjq0_894.trc:
Tue May 17 22:01:42 2011
Process startup failed, error stack:
Tue May 17 22:01:42 2011
Errors in file /home/oracle/admin/ARIC/bdump/aric_psp0_866.trc:
ORA-27300: OS system dependent operation:fork failed with status: 11
ORA-27301: OS failure message: Resource temporarily unavailable
ORA-27302: failure occurred at: skgpspawn3
Tue May 17 22:01:43 2011
Process m000 died, see its trace file
Tue May 17 22:01:43 2011
ksvcreate: Process(m000) creation failed
Tue May 17 22:02:49 2011
Process startup failed, error stack:
Tue May 17 22:02:49 2011
Errors in file /home/oracle/admin/ARIC/bdump/aric_psp0_866.trc:
ORA-27300: OS system dependent operation:fork failed with status: 11
ORA-27301: OS failure message: Resource temporarily unavailable
ORA-27302: failure occurred at: skgpspawn5

从错误信息上也可以清楚的看出，错误出现在OS层面，查询MOS发现是由于当前的Solaris系统设置的进程相关参数过低造成的。

根据Oracle的推荐，可以修改系统/etc/system文件，添加下面的内容：

# vi /etc/system

set maxuprc=60000
set pidmax=70000
set max_nprocs=65000
set maxusers=4096

# reboot

要想是修改的参数生效需要重启数据库服务器。