linux磁盘读写错误,记一次断电偶然导致Linux磁盘I/O故障无法读写

机房偶然的一次断电中，恢复服务器后出现了 无法读写磁盘。

其他挂载的磁盘均无异常

查询日志得知

[root@huidou03 data]# dmesg|greperror

[Firmware Warn]: GHES: Poll interval is0 for generic hardware error source: 1, disabled.

sas: ata1: end_device-0:0: dev error handler

sas: sas_eh_handle_sas_errors: task0xffff880377ee3840is aborted

sas: sas_eh_handle_sas_errors: task0xffff880377ee35c0is aborted

sas: ata1: end_device-0:0: cmd error handler

sas: ata1: end_device-0:0: dev error handler

sas: sas_ata_task_done: SAS error 8a

ata1.00: failed to IDENTIFY (I/O error, err_mask=0x5)

end_request: I/O error, dev sda, sector 1950622088end_request: I/O error, dev sda, sector 1950622080JBD2: I/O error detected when updating journal superblock for sda1-8.

EXT4-fs error (device sda1) inadd_dirent_to_buf: Journal has aborted

EXT4-fs error (device sda1) inext4_rename: Journal has a