[Linux management] Linux soft Raid management, linuxraid

[Linux management] Linux soft Raid management, linuxraid

**************************************** ********************************* *** Original article: blog.csdn.net/clark_xu Xu changliang's column**************************************** ********************************

Create a soft raid

Mdadm-create/dev/md0-level = 5-raid-devices = 3/dev/sdb1/dev/sdc1/dev/sdd1

The progress information displayed in the/proc/mdstat file when creating a disk array.

View disk array information: mdadm-details-scan

Manually stop the disk array mdadm-S/dev/md0

Pvcreate/dev/md0

Simulate a hard disk failure: mdadm/dev/md0-f/dev/sdc1

Delete device from hard disk

Mdadm/dev/md0-r/dev/sdc1

After changing the hard disk,

Mdadm/dev/md0-a/dev/sdc1