<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[congjuyan5037的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/congjuyan5037</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; congjuyan5037]]></copyright><item><title><![CDATA[CentOS7.5升级到CentOS 7.6]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449743</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449743</guid><author>congjuyan5037</author><pubDate>Tue, 27 Aug 2019 15:10:00 +0800</pubDate><description><![CDATA[一，修改yum源
[root@bogon yum.repos.d]# cat CentOS-Base.repo 
# CentOS-Base.repo
#
# The mirror system uses the con...]]></description><category></category></item><item><title><![CDATA[升级openssh7.9]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449736</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449736</guid><author>congjuyan5037</author><pubDate>Wed, 24 Jul 2019 18:05:04 +0800</pubDate><description><![CDATA[umask 022

yum install -y pam-devel libselinux-devel krb5-devel zlib-devel gcc make

LANG=C

cd /root

t...]]></description><category></category></item><item><title><![CDATA[OPatch failed with error code 73]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449748</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449748</guid><author>congjuyan5037</author><pubDate>Tue, 23 Jul 2019 18:05:28 +0800</pubDate><description><![CDATA[当opatch打补丁时报错如下


UtilSessionfailed:Prerequisitecheck"CheckActiveFilesAndExecutables"failed.Prerequisite...]]></description><category></category></item><item><title><![CDATA[记一次从日立G400划一个LUN给dg数据库]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449734</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449734</guid><author>congjuyan5037</author><pubDate>Tue, 28 May 2019 16:38:32 +0800</pubDate><description><![CDATA[从日立G400划一个1T的lun，映像路径给DG主机


cat/proc/scsi/scsi

为不重启主机识别设备

echo"---"&gt;/sys/class/scsi_host/h...]]></description><category></category></item><item><title><![CDATA[aix文件系统扩容]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449733</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449733</guid><author>congjuyan5037</author><pubDate>Tue, 16 Apr 2019 10:08:45 +0800</pubDate><description><![CDATA[本示例是一个aix文件系统扩容的命令步骤：



[ylp02]root#df -g




Filesystem  GB blocks   Free %Used  Iused %Iused...]]></description><category></category></item><item><title><![CDATA[康孚备份数据库时报错]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449735</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449735</guid><author>congjuyan5037</author><pubDate>Wed, 03 Apr 2019 11:40:04 +0800</pubDate><description><![CDATA[据康孚备份方面反映，数据库备份时报错。




但据我从数据库方面查询，没有报错，并且是成功的，只是归档日志的备份与平常不同：每天备份多了几条记录。




我猜想是归档记录多了，一次备不完，就多备了...]]></description><category></category></item><item><title><![CDATA[slp_srvr top进程，cluster.log大量日志]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449816</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449816</guid><author>congjuyan5037</author><pubDate>Tue, 02 Apr 2019 16:34:12 +0800</pubDate><description><![CDATA[一个数据库主机/var目录很高




[biprd1]root#df -g




Filesystem  GB blocks   Free %Used  Iused %Iused ...]]></description><category></category></item><item><title><![CDATA[CentOS Linux release 7磁盘扩容]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449785</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449785</guid><author>congjuyan5037</author><pubDate>Mon, 01 Apr 2019 14:40:06 +0800</pubDate><description><![CDATA[[root@Userv-a cl]# cat /etc/redhat-release




CentOS Linux release 7.5.1804 (Core)




[root@User...]]></description><category></category></item><item><title><![CDATA[the NTP socket is in use, exiting]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449731</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449731</guid><author>congjuyan5037</author><pubDate>Mon, 18 Mar 2019 17:05:55 +0800</pubDate><description><![CDATA[机房中的ESX6.5的

服务器时间

不对，ESX Server的时间准确比较重要，因为其上的VM（虚拟主机）的时间与其同步。在ESX4上使用NTP服务器同步时间，却遇到了“the NTP socket is in...]]></description><category></category></item><item><title><![CDATA[zabbix安装agent]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449772</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449772</guid><author>congjuyan5037</author><pubDate>Tue, 12 Mar 2019 11:27:24 +0800</pubDate><description><![CDATA[1、创建zabbix用户和组




# groupadd zabbix




# useradd -g zabbix zabbix -s /sbin/nologin







...]]></description><category></category></item><item><title><![CDATA[linux之lvm]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449729</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449729</guid><author>congjuyan5037</author><pubDate>Thu, 21 Feb 2019 15:20:10 +0800</pubDate><description><![CDATA[[root@ndb ~]# df -h


Filesystem      Size Used Avail Use% Mounted on


/dev/mapper/VolGroup00-Log...]]></description><category></category></item><item><title><![CDATA[ADDM]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449799</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449799</guid><author>congjuyan5037</author><pubDate>Sun, 22 Apr 2018 09:29:41 +0800</pubDate><description><![CDATA[TheAutomatic Database Diagnostic Monitor (ADDM)
Automatic database diagnostic monitoring is enabled by defaul...]]></description><category></category></item><item><title><![CDATA[Fine Grained Auditing (FGA)]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449726</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449726</guid><author>congjuyan5037</author><pubDate>Fri, 20 Apr 2018 07:01:03 +0800</pubDate><description><![CDATA[Oracle Database 12c Fine Grained Auditing (FGA) enables audit policies to be associated with columns in applica...]]></description><category></category></item><item><title><![CDATA[alter tablespace ts_name autoextend_clause]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449742</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449742</guid><author>congjuyan5037</author><pubDate>Wed, 18 Apr 2018 22:46:41 +0800</pubDate><description><![CDATA[alter tablespace ts_name autoextend_clause


This clause is valid only for bigfile (single-file) tablespaces. U...]]></description><category></category></item><item><title><![CDATA[Partition Pruning和Partition-Wise Joins]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449725</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449725</guid><author>congjuyan5037</author><pubDate>Sun, 15 Apr 2018 14:16:07 +0800</pubDate><description><![CDATA[Partition Pruning


	Partition pruning is an essential performance feature for data warehouses. In partition...]]></description><category></category></item><item><title><![CDATA[撒点盐Salt]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449756</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449756</guid><author>congjuyan5037</author><pubDate>Sat, 14 Apr 2018 20:34:07 +0800</pubDate><description><![CDATA[Salt is a way to strengthen the security of encrypted data. It is a random string added to the data before it is e...]]></description><category></category></item><item><title><![CDATA[moving window baseline]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449766</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449766</guid><author>congjuyan5037</author><pubDate>Fri, 13 Apr 2018 09:23:16 +0800</pubDate><description><![CDATA[A moving window baseline corresponds to all AWR data that exists within the AWR retention period. This
is useful ...]]></description><category></category></item><item><title><![CDATA[three predefined automated maintenance tasks]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449739</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449739</guid><author>congjuyan5037</author><pubDate>Thu, 12 Apr 2018 20:34:17 +0800</pubDate><description><![CDATA[Oracle Database has three predefined automated maintenance tasks:


Automatic Optimizer Statistics Collection—C...]]></description><category></category></item><item><title><![CDATA[Unused Block Compression和Null Block Compression]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449754</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449754</guid><author>congjuyan5037</author><pubDate>Mon, 02 Apr 2018 09:13:26 +0800</pubDate><description><![CDATA[Block Compression for Backup Sets


	RMAN uses two types of block compression when creating backup sets:

...]]></description><category></category></item><item><title><![CDATA[md_backup]]></title><link>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449723</link><guid>https://blog.youkuaiyun.com/congjuyan5037/article/details/100449723</guid><author>congjuyan5037</author><pubDate>Thu, 22 Mar 2018 22:11:49 +0800</pubDate><description><![CDATA[在Oracle Database 11gR2 中，在ASM元数据的备份与恢复方面，Oracle增加了两个命令：md_backup 和 md_restore。
md 是 metadata的缩写，这一工具极大的简化了ASM的元数据...]]></description><category></category></item></channel></rss>