系統重啟後準備使用yum命令安裝乙個軟體包，但是在安裝的過程**現如圖所示錯誤：
[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 yummain.user_main(sys.ar**[1:], exit_code=true)
file "/usr/share/yum-cli/yummain.py", line 375, in user_main
errcode = 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 resolvedeps
for po, dep in self._checkfilerequires():
file "/usr/lib/python2.7/site-packages/yum/depsolve.py", line 1193, in _checkfilerequires
self.installedfileproviders = self.rpmdb.filerequiresdata()
file "/usr/lib/python2.7/site-packages/yum/rpmsack.py", line 994, in filerequiresdata
rpmdbv = self.******version(main_only=true)[0]
file "/usr/lib/python2.7/site-packages/yum/rpmsack.py", line 1228, in ******version
if '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 get
res = self._read(attr)
file "/usr/lib/python2.7/site-packages/yum/rpmsack.py", line 1885, in _read
info = misc.stat_f(fn, ignore_eacces=true)
file "/usr/lib/python2.7/site-packages/yum/misc.py", line 974, in stat_f
return os.stat(filename)
oserror: [errno 117] structure needs cleaning: '/var/lib/yum/yumdb/y/c360c3efe4203eb7ee07d45808e61daa061f8742-yum-3.4.3-163.el7-noarch/checksum_type'
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