Cannot find a valid baseurl for repo: centos-ceph-nautilus/7/x86_64

编辑vim /etc/yum.repos.d/CentOS-Ceph-Nautilus.repo文件

# CentOS-Ceph-Nautilus.repo
#
# Please see https://wiki.centos.org/SpecialInterestGroup/Storage for more
# information

[centos-ceph-nautilus]
name=CentOS-$releasever - Ceph Nautilus
baseurl=http://mirrors.aliyun.com/centos/7/storage/x86_64/ceph-nautilus   #注释原有mirrorlist，添加该行内容
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=storage-ceph-nautilus
#baseurl=http://mirror.centos.org/$contentdir/$releasever/storage/$basearch/ceph-nautilus/
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-Storage

[centos-ceph-nautilus-test]
name=CentOS-$releasever - Ceph Nautilus Testing
baseurl=https://buildlogs.centos.org/centos/$releasever/storage/$basearch/ceph-nautilus/
gpgcheck=0
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-Storage

[centos-ceph-nautilus-source]
name=CentOS-$releasever - Ceph Nautilus Source
baseurl=http://vault.centos.org/$contentdir/$releasever/storage/Source/ceph-nautilus/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-Storage

保存该文件后，记得yum clean all再yum makecache