Linux 文件系统修复

时间：2015-08-28 00:59:09 阅读：297 评论：0 收藏：0 [点我收藏+]

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1.问题引出

在Linux操作系统下，安装ceph分布式存储系统，在安装OSD时，执行了一条命令：

1	ceph-deploy disk zap osdnode1:/dev/sda3

命令执行失败，日志如下：

57

[ceph_deploy.cli][INFO  ] ceph-deploy options: 

[ceph_deploy.cli][INFO  ]  username                      : None 

[ceph_deploy.cli][INFO  ]  verbose                       : False 

[ceph_deploy.cli][INFO  ]  overwrite_conf                : False 

[ceph_deploy.cli][INFO  ]  subcommand                    : zap 

[ceph_deploy.cli][INFO  ]  quiet                         : False 

[ceph_deploy.cli][INFO  ]  cd_conf                       : <ceph_deploy.conf.cephdeploy.Conf instance at 0x12be4d0> 

[ceph_deploy.cli][INFO  ]  cluster                       : ceph 

[ceph_deploy.cli][INFO  ]  func                          : <functiondisk at 0x12b6938> 

[ceph_deploy.cli][INFO  ]  ceph_conf                     : None 

[ceph_deploy.cli][INFO  ]  default_release               : False 

[ceph_deploy.cli][INFO  ]  disk                          : [(‘osdnode1‘,‘/dev/sda3‘, None)] 

[ceph_deploy.osd][DEBUG ] zapping /dev/sda3 on osdnode1 

[osdnode1][DEBUG ] connection detected needforsudo 

[osdnode1][DEBUG ] connected to host: osdnode1 

[osdnode1][DEBUG ] detect platform information from remote host 

[osdnode1][DEBUG ] detect machine type 

[osdnode1][DEBUG ] find the location of an executable 

[ceph_deploy.osd][INFO  ] Distro info: CentOS 6.7 Final 

[osdnode1][DEBUG ] zeroing last few blocks of device 

[osdnode1][DEBUG ] find the location of an executable 

[osdnode1][INFO  ] Running command: sudo /usr/sbin/ceph-disk zap /dev/sda3 

[osdnode1][DEBUG ] CreatingnewGPT entries. 

[osdnode1][DEBUG ] Warning: The kernel is still using the old partition table. 

[osdnode1][DEBUG ] Thenewtable will be used at the next reboot. 

[osdnode1][DEBUG ] GPT data structures destroyed! You may now partition the disk using fdisk or 

[osdnode1][DEBUG ] other utilities. 

[osdnode1][DEBUG ] CreatingnewGPT entries. 

[osdnode1][DEBUG ] Warning: The kernel is still using the old partition table. 

[osdnode1][DEBUG ] Thenewtable will be used at the next reboot. 

[osdnode1][DEBUG ] The operation has completed successfully. 

[osdnode1][WARNING] Traceback (most recent call last): 

[osdnode1][WARNING]   File"/usr/sbin/ceph-disk", line 2994,in<module> 

[osdnode1][WARNING]     main() 

[osdnode1][WARNING]   File"/usr/sbin/ceph-disk", line 2972,inmain 

[osdnode1][WARNING]     args.func(args) 

[osdnode1][WARNING]   File"/usr/sbin/ceph-disk", line 2690,inmain_zap 

[osdnode1][WARNING]     zap(dev) 

[osdnode1][WARNING]   File"/usr/sbin/ceph-disk", line 1071,inzap 

[osdnode1][WARNING]     update_partition(‘-d‘, dev,‘zapped‘) 

[osdnode1][WARNING]   File"/usr/sbin/ceph-disk", line 1033,inupdate_partition 

[osdnode1][WARNING]     dev, 

[osdnode1][WARNING]   File"/usr/sbin/ceph-disk", line 306,incommand 

[osdnode1][WARNING]     **kwargs) 

[osdnode1][WARNING]   File"/usr/lib64/python2.6/subprocess.py", line 642,in__init__ 

[osdnode1][WARNING]     

[osdnode1][WARNING]   File"/usr/lib64/python2.6/subprocess.py", line 1234,in_execute_child 

[osdnode1][WARNING]     

[osdnode1][WARNING]   File"/usr/lib64/python2.6/pickle.py", line 1374,inloads 

[osdnode1][WARNING]     

[osdnode1][WARNING]   File"/usr/lib64/python2.6/pickle.py", line 858,inload 

[osdnode1][WARNING]     

[osdnode1][WARNING]   File"/usr/lib64/python2.6/pickle.py", line 971,inload_string 

[osdnode1][WARNING]     

[osdnode1][WARNING] LookupError: unknown encoding: string-escape 

[osdnode1][ERROR ] RuntimeError: command returned non-zero exit status: 1 

[ceph_deploy][ERROR ] RuntimeError: Failed to execute command: /usr/sbin/ceph-disk zap /dev/sda3 

2.实际影响

我osdnode1设备无法正常工作,体现在:
相关命令罗列后不会返回结果执行创建等命令失败

18

[root@osdnode1 home]# df -h 

-bash:/bin/df: Input/outputerror 

[root@osdnode1 home]# mount 

/dev/sda3on /typeext4 (rw) 

proc on/proctypeproc (rw) 

sysfs on/systypesysfs (rw) 

devpts on/dev/ptstypedevpts (rw,gid=5,mode=620) 

tmpfs on/dev/shmtypetmpfs (rw) 

/dev/sda1on/boottypeext4 (rw) 

none on/proc/sys/fs/binfmt_misctypebinfmt_misc (rw) 

mount: warning:/etc/mtabis not writable (e.g.read-only filesystem). 

       It‘s possible that information reported bymount(8) is not 

       up todate. For actual information about systemmountpoints 

       check the/proc/mountsfile. 

[root@osdnode1 home]# df -h 

-bash:/bin/df: Input/outputerror