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By default CentOS 7 uses the xfs filesystem. The utility debugfs will not work for filesystems other than ext2/ext3/ext4 If the file is still opened by a process you can restore the file using the open filedescriptor: lsof |egrep "COMMAND|keystone.conf.disabled" cp /proc/<pid>/fd/### /var/tmp/keystone.conf.disabled


You can use RPM to see what RPM that file belongs to: $ rpm -qf /etc/redhat-release centos-release-7-0.1406.el7.centos.2.5.x86_64 You can then fix it using yum: $ yum reinstall centos-release Might not work If the RPM that was used to do this install is no longer available then the above will not work: $ yum reinstall ...


It should be okay. You can re-create the file. The content of the file is: [root@server ~]# cat /etc/centos-release CentOS Linux release 7.0.1406 (Core) [root@server ~]# This file belongs to the package centos-release-7-0.1406.el7.centos.2.5.x86_64, so as long as you haven't removed that package, just touching this file manually should be fine. ...


The grep program reads a line at a time into memory. A line is defined as everything after one newline character and up to the next one. With binary data, there could be a very large space without any newlines. You could try using grep -z. This tells grep to treat null bytes as the input record separator instead of newlines. Extremely large chunks of binary ...


Your partition table claims that the size of the disk is only 0.7 tb despite the fact that it is really 2.7 and has a partition using that much space. Use gdisk to create a new, empty partition table, then recreate those two partitions with the exact same start and end sectors and type codes, and that should fix it.

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