Changes

  [root@sme8-64-dev ~]# cat /proc/mdstat

  [root@ ~]#'''cat /proc/mdstat'''

  Personalities : [raid1]  

  Personalities : [raid1]  

  md1 : active raid1 sdb1[1] sda1[0]

  md1 : active raid1 sdb1[1] sda1[0]

At this point the disk is idle.

At this point the disk is idle.

   

   

  [root@sme8-64-dev ~]# cat /proc/mdstat

  [root@ ~]# '''cat /proc/mdstat'''

  Personalities : [raid1]  

  Personalities : [raid1]  

  md1 : active raid1 sda1[0]

  md1 : active raid1 sda1[0]

For all the details available by SMART on the disk

For all the details available by SMART on the disk

  smartctl -a /dev/sdb

  [root@ ~]#'''smartctl -a /dev/sdb'''

At least two types of tests are possible, short (~ 1 min) and long (~ 10 min to 90 min).

At least two types of tests are possible, short (~ 1 min) and long (~ 10 min to 90 min).

  smartctl -t short /dev/sdb #short test

  [root@ ~]#'''smartctl -t short /dev/sdb''' #short test

  smartctl -t long  /dev/sdb #long test

  [root@ ~]# '''smartctl -t long  /dev/sdb''' #long test

to access the results / statistics for these tests:

to access the results / statistics for these tests:

  smartctl -l selftest /dev/sdb

  [root@ ~]#'''smartctl -l selftest /dev/sdb'''

{{Note box|if you need to change the disk due to physical failure found by the smartctl command, install a new disk of the same capacity (or more) and enter the following commands to recreate new partitions by copying them from healthy disk sda.}}

{{Note box|if you need to change the disk due to physical failure found by the smartctl command, install a new disk of the same capacity (or more) and enter the following commands to recreate new partitions by copying them from healthy disk sda.}}

  sfdisk -d /dev/sda > sfdisk_sda.output

  [root@ ~]#sfdisk -d /dev/sda > sfdisk_sda.output

  sfdisk /dev/sdb < sfdisk_sda.output

  [root@ ~]#sfdisk /dev/sdb < sfdisk_sda.output

If you want to reintegrate the same disk without replacing it, go to the next step.

If you want to reintegrate the same disk without replacing it, go to the next step.