当我尝试在安装的硬盘上使用“ls”时，系统引发了I / O错误。
我在用
hadoop@hbase1:/hddata$ uname -a Linux hbase1 3.8.0-29-generic #42~precise1-Ubuntu SMP Wed Aug 14 16:19:23 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux hadoop@hbase1:/hddata$ df Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/hbase2--vg-root 468028968 2715496 441532304 1% / udev 6081916 4 6081912 1% /dev tmpfs 2436652 336 2436316 1% /run none 5120 0 5120 0% /run/lock none 6091620 0 6091620 0% /run/shm /dev/sda1 1922727280 867279740 957771940 48% /hddata /dev/sdb1 233191 27854 192896 13% /boot 10.18.103.101:/data/marketdata 1883265024 1644255232 143344640 92% /srv/data/marketdatah 最后几行dmesg
hadoop@hbase1:/hddata$ dmesg | tail [316263.280056] EXT4-fs (sda1): previous I/O error to superblock detected [316263.281326] sd 0:0:0:0: [sda] Unhandled error code [316263.281329] sd 0:0:0:0: [sda] [316263.281330] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [316263.281332] sd 0:0:0:0: [sda] CDB: [316263.281334] Write(10): 2a 00 00 00 00 3f 00 00 08 00 [316263.281342] end_request: I/O error, dev sda, sector 63 [316263.282584] Buffer I/O error on device sda1, logical block 0 [316263.283799] lost page write due to I/O error on sda1 [316263.283842] EXT4-fs error (device sda1): ext4_find_entry:1270: inode #2: comm bash: reading directory lblock 0
Buffer I/O error on device sda1, logical block 0
这种事情表明即将发生的硬件故障。 我会尽你所能将所需的一切备份到其他地方，并在驱动器无法挽回之前更换驱动器。