系统重启后准备使用yum命令安装一个软件包，但是在安装的过程中出现如图所示错误：
[root@coisini ~]# yum install -y tree
Loaded plugins: product-id, search-disabled-repos, subscription-manager
This system is not registered with an entitlement server. You can use subscription-manager to register.
Resolving Dependencies
--> Running transaction check
---> Package tree.x86_64 0:1.6.0-10.el7 will be installed
Traceback (most recent call last):File "/usr/bin/yum", line 29, in <module>yummain.user_main(sys.argv[1:], exit_code=True)File "/usr/share/yum-cli/yummain.py", line 375, in user_mainerrcode = main(args)File "/usr/share/yum-cli/yummain.py", line 239, in main(result, resultmsgs) = base.buildTransaction() File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 1198, in buildTransaction(rescode, restring) = self.resolveDeps()File "/usr/lib/python2.7/site-packages/yum/depsolve.py", line 902, in resolveDepsfor po, dep in self._checkFileRequires():File "/usr/lib/python2.7/site-packages/yum/depsolve.py", line 1193, in _checkFileRequiresself.installedFileProviders = self.rpmdb.fileRequiresData()File "/usr/lib/python2.7/site-packages/yum/rpmsack.py", line 994, in fileRequiresDatarpmdbv = self.simpleVersion(main_only=True)[0]File "/usr/lib/python2.7/site-packages/yum/rpmsack.py", line 1228, in simpleVersionif 'checksum_type' in ydbi and 'checksum_data' in ydbi:File "/usr/lib/python2.7/site-packages/yum/rpmsack.py", line 1949, in __contains__x = self.get(attr)File "/usr/lib/python2.7/site-packages/yum/rpmsack.py", line 1979, in getres = self._read(attr)File "/usr/lib/python2.7/site-packages/yum/rpmsack.py", line 1885, in _readinfo = misc.stat_f(fn, ignore_EACCES=True)File "/usr/lib/python2.7/site-packages/yum/misc.py", line 974, in stat_freturn os.stat(filename)
OSError: [Errno 117] Structure needs cleaning: '/var/lib/yum/yumdb/y/c360c3efe4203eb7ee07d45808e61daa061f8742-yum-3.4.3-163.el7-noarch/checksum_type'
看到这个报错有点熟悉的感觉，仿佛之前遇到过，仔细想了好久，终于想到该怎样处理这个问题，在此也做个记录，