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Jul 3 02:33:24 localhost kernel: Buffer I/O error on device dm-4, logical block 1 Jul 3 02:33:24 localhost kernel: Buffer I/O error on device dm-4, logical block 2 Jul 3 02:33:24 localhost kernel: Buffer I/O error on device dm-4, logical block 3 Jul 3 02:33:24 localhost...
This is a normal behavior for Linux native multipath, and the errors do not indicate an array issue. The errors can safely be filtered through the OS logging configuration or the user can avoid access to native devices (as opposed to using /dev/mapper devices). Alternatively, a qualified ver...
[ 3649.548396] Buffer I/O error on dev sda1, logical block 4, lost async page write [ 3649.548428] Buffer I/O error on dev sda1, logical block 5, lost async page write [ 3649.548463] Buffer I/O error on dev sda1, logical block 6, lost async page write [ 3649.548493] Buffer I/O...
Buffer I/O error on device sr0 2014-11-26 19:36 −... 星辰大海ゞ 0 4389 kernel: blk_update_request: I/O error, dev fd0, sector 0 2019-08-06 10:53 −原因: 拷贝文件时,vsphere虚拟机卡死,无法连接。 经检查控制台也无法登录。重启虚拟机然后报下图 然后执行journalctl显示如下 系统messag...
[ 1075.923137] Buffer I/O error on device sr0, logical block The CD wasn’t mounted, there was only a thread for the device, which wasn’t even mounted (I also wasn’t able to mount it from root): umount: /dev/sr0: not mounted Solution:root@Agilob-PC:# lsof /dev/sr0 COMMAND...
看来这个错误信息是可以忽略的(harmless)。并不是存储出现了什么问题。检查了大量日志,发现这个错误只是偶尔出现,另外,出现时的时候为IO负载较大的时候(RMAN备份,Platespin复制同时出现的时候) 参考资料: http://blog.csdn.net/kinges/article/details/40425841 ...
buffer的操作主要是从buffer池中找到一个空闲的结构,然后请求底层,他的下一层是io调度层,buffer的读写都是发请求给底层的调度层,由调度层进行请求的调度,然后调用硬盘驱动层去完成真正的硬盘读写操作。 /** linux/fs/buffer.c** (C) 1991 Linus Torvalds*//** 'buffer.c' implements the buffer-cache funct...
IO_CSQ_RELEASE_LOCK fonction de rappel IO_CSQ_REMOVE_IRP fonction de rappel structure IO_DISCONNECT_INTERRUPT_PARAMETERS IO_DPC_ROUTINE fonction de rappel IO_ERROR_LOG_PACKET structure IO_INTERRUPT_MESSAGE_INFO structure IO_INTERRUPT_MESSAGE_INFO_ENTRY structure énumération IO_NOTIFICATION_EVENT_CATEGO...
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