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Talk:Raid:Manual Rebuild (view source)
Revision as of 21:29, 6 February 2013
, 21:29, 6 February 2013no edit summary
[0]= number of the disk
[0]= number of the disk
{{note box|as we can see the partition sdb2 is in default, we can see the flag: sdb2 [2] (F)
{{note box|As we can see the partition sdb2 is in default, we can see the flag: sdb2 [2] (F). We need to resynchronize the disk sdb to the existing array md2.}}
=== Fail and remove the disk, '''sdb''' in this case ===
=== Fail and remove the disk, '''sdb''' in this case ===
unused devices: <none>
unused devices: <none>
{{note box|You'll have to determine if your disk can be reinstated at the array. In fact sometimes a raid can get out of sync after a power failure but also some outages times for physical disk itself. It is necessary to test the hard drive if this occurs repeatedly. For this we will use smartctl.}}
{{note box|You'll have to determine if your disk can be reinstated at the array. In fact sometimes a raid can get out of sync after a power failure but also some outages times for physical disk itself. It is necessary to test the hard drive if this occurs repeatedly. For this we will use '''smartctl'''.}}
smartctl -a /dev/sdb # For all the details available by SMART on the disk
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
smartctl -t long /dev/sdb #long test
to access the results / statistics for these tests:
smartctl -l selftest /dev/sdb