背景：
解决方法：
使用web账号ssh进入VC
此时账号权限不是root，权限是不足的，且无法直接su到root
执行命令修改root密码
sudo passwd root
sso-user@localhost [ ~ ]$ sudo passwd root
New password:
Retype new password:
passwd: password updated successfully
sso-user@localhost [ ~ ]$ su - root
Password:
Password:
Connected to service
* List APIs: "help api list"
* List Plugins: "help pi list"
* Launch BASH: "shell"
Command> shell
Shell access is granted to root
root@localhost [ ~ ]#
root@localhost [ ~ ]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 4.0M 0 4.0M 0% /dev
tmpfs 11G 1.1M 11G 1% /dev/shm
tmpfs 4.2G 1.3M 4.1G 1% /run
tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup
/dev/mapper/vg_root_0-lv_root_0 47G 20G 26G 43% /
/dev/sda3 488M 37M 415M 9% /boot
/dev/sda2 10M 2.0M 8.1M 20% /boot/efi
/dev/mapper/vg_lvm_snapshot-lv_lvm_snapshot 196G 28K 186G 1% /storage/lvm_snapshot
/dev/mapper/netdump_vg-netdump 982M 24K 915M 1% /storage/netdump
/dev/mapper/lifecycle_vg-lifecycle 98G 4.0G 89G 5% /storage/lifecycle
/dev/mapper/core_vg-core 49G 188K 47G 1% /storage/core
/dev/mapper/log_vg-log 9.8G 3.8G 5.6G 41% /storage/log
/dev/mapper/seat_vg-seat 25G 1013M 23G 5% /storage/seat
/dev/mapper/updatemgr_vg-updatemgr 98G 1.1G 92G 2% /storage/updatemgr
/dev/mapper/vtsdblog_vg-vtsdblog 15G 33M 14G 1% /storage/vtsdblog
/dev/mapper/autodeploy_vg-autodeploy 9.8G 40K 9.3G 1% /storage/autodeploy
/dev/mapper/archive_vg-archive 49G 45G 2.4G 95% /storage/archive可以看到/storage/archive使用超过95%，进入目录直接删除60天前文件即可。
root@localhost [ /storage/archive/vpostgres ]# find ./* -mtime +60 -exec rm {} \;
root@localhost [ /storage/archive/vpostgres ]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 4.0M 0 4.0M 0% /dev
tmpfs 11G 1.1M 11G 1% /dev/shm
tmpfs 4.2G 1.3M 4.1G 1% /run
tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup
/dev/mapper/vg_root_0-lv_root_0 47G 20G 26G 43% /
/dev/sda3 488M 37M 415M 9% /boot
/dev/sda2 10M 2.0M 8.1M 20% /boot/efi
/dev/mapper/vg_lvm_snapshot-lv_lvm_snapshot 196G 28K 186G 1% /storage/lvm_snapshot
/dev/mapper/netdump_vg-netdump 982M 24K 915M 1% /storage/netdump
/dev/mapper/lifecycle_vg-lifecycle 98G 4.0G 89G 5% /storage/lifecycle
/dev/mapper/core_vg-core 49G 188K 47G 1% /storage/core
/dev/mapper/log_vg-log 9.8G 3.8G 5.5G 41% /storage/log
/dev/mapper/seat_vg-seat 25G 1013M 23G 5% /storage/seat
/dev/mapper/updatemgr_vg-updatemgr 98G 1.1G 92G 2% /storage/updatemgr
/dev/mapper/vtsdblog_vg-vtsdblog 15G 33M 14G 1% /storage/vtsdblog
/dev/mapper/autodeploy_vg-autodeploy 9.8G 40K 9.3G 1% /storage/autodeploy
/dev/mapper/archive_vg-archive 49G 25G 22G 53% /storage/archive