LINUX: DMESG Command To Check the Disk IO Timeout Errors On Hard Drive / Attached Storage Devices

Below command can be used to Check the Disk IO Timeout Errors On Hard Drive / Attached Storage Devices

dmesg -T | egrep -i 'sda|blk_update|I/O error|timed out|reset|pvscsi'

In above command replace sda with the device name you want to check the Disk IO timeout errors. 

Note: You can check the devices using "lsblk" command.

Keywords:

timeout time out timing out io ioerror error input output network issue issues disconnect disconnected disconnecting latency slow slowness speed slowly device devices harddrive drive drives attached attaching lun luns iscsi