Troubleshooting DB instance start fail ‘kggpnpInit: failed to init gpnp’ after apply DB PSU 11g,12c,18c,19c

ORACLE RAC环境记的之前GI和DB的version 前4位相同是可以兼容的,甚至有时DB PSU比GI PSU新,最近有朋友遇到只安装了DB PSU后,RAC中实例启动失败的问题, db alert show:
USER(3037)]CRS-2316:Fatal error: cannot initialize GPnP, CLSGPNP_ERR (Generic GPnP error).
kggpnpInit: failed to init gpnp
WARNING: No cluster interconnect has been specified

,

Troubleshooting Ora-00600 [kjcsmpav:1],[0x7000xxxxxx], [4], [0], [211], [220]

Oracle 19.1 or 19.4 on AIX ,There are cases where this error has occurred, An instance terminated because a DBWR raised ORA-600[kjcsmpav:1] during a buffer allocation.
ORA-600: internal error code, arguments: [kjcsmpav:1], [0x7000xxxxxxx], [4], [0], [211], [220], [], [], [], [], [],

MySQL 8新特性: Random Password Generation生成随机密码

近几年数据库安全在生产管理过程中尤为重视,MySQL同样和Oracle database一样提供了一些高级安全特性如TDE, Audit, Data masking, Firewall和密码安全管理策略等.
Oracle database中有密码verify function,目前还没有生成随机密码的功能, 但MySQL 8中撮供了该功能,下面测试一下“随机密码生成”特性。

, ,

Troubleshooting Rman Errors ora-1547 ora-1152 ora-1110 During recover

Restore RMAN backup from standby database to another server create a test database, and to Database Point in Time Recovery. but faced ora-1547 ora-1152 ora-1110 During recover.

,