1 .变更设定档/etc/security/limits.conf变更设定档/etc/security/limits.conf
添加到此配置式：
vim /etc/security/limits.conf
*修改soft nofile 65535 * hard nofile 65535后重新建立SSH连接即可，无需重新启动主机或服务
2 .禁用selinux永久关闭selinux ()启用服务器重新启动) ) ) ) )。
sed-I ' s/selinux=enforcing/selinux=disabled/'/etc/selinux/config检查：获取enforce，permissision UX的状态
getenforce备注：暂时关闭： setenforce 0
3 .防火墙systemctlstopfirewalld.servicesystemctldisablefirewalld.service4.关闭计划目录
5 .配置PV、vg并挂载相应的目录引用文章： https://blog.csdn.net/wsd wl/article/details/83547618
物理机的实际硬盘
[ root @ localhost SDH ] # lsblknamemaj : minrmsizerotypemountsda 83360046.6 g0d ISKsda 183360101 G0 part/(boot (sda 2888880 homesdb 833601601.8 t 0磁盘DC 8:32022.9 t 0磁盘分别创建sdb和sdc
5.1创建pvpvcreatepvcreate/dev/sdbpvcreatepvcreate/dev/SDC [ root @ localhost SDH ] # pvdisplay-- -物理卷- ] PE size 4.00 mibtotalpe 113822 freep E0 allocated PE 113822 PV uuid6LMC 3m-xc9l-DPG8- h312-y42a-xbvn-bj TMS0'/dev/sdb ' isanewphysicalvolumeof ' 1.75 TiB '---newphysicalvolume---- PV name/dev/sdbvgnamepvsize 1.75 tiballocatablenopesize0total PE0freep E0 allocated PE0pvuuidhq2be-vqgh-pror-0c2n-cv8i-eowl-fuyq8SDC --newphysicalvolume---PV name/dev/sdcvgnamepvsize 22.92 tiballocatablenopesize0total pe0 freep E0 allocated pe0 pvuidinamcw-fl S5-tixd-oztw-2yz3- v2ah-a j0 tvg sdbvgcreatedata-HDD/dev/SDC 5.3 LV操作lvcreate-n data1-l 1.7 tdata-SSD lvcreate-ndata2- l 22t data-HDD lvcreate-n data 1 mkdir/mnt/data1 mkdir/mnt/data2mkfs-txfs/dev/data-SSD/dev/data-SSD/data1/mnt/data aa1
添加：
/dev/mapper/data---SSD-data1/mnt/data1 xfs defaults0/dev/mapper/data--硬盘数据2/mnt/data2xfsdefaults
挂载-a