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nas:build_a_linux_nas:prepare_the_raid_disks [2021/09/25 20:53] – [Obtain the Serial Numbers of the Disks] peternas:build_a_linux_nas:prepare_the_raid_disks [2021/10/12 20:36] (current) – [Test the Disks] peter
Line 58: Line 58:
  
   * The enclosure being used for the disks may not support hot-swapping and there may not be a separate light for each disk, so there may not be a straight-forward way to determine which specific disk has failed.   * The enclosure being used for the disks may not support hot-swapping and there may not be a separate light for each disk, so there may not be a straight-forward way to determine which specific disk has failed.
 +
 +</WRAP>
 +
 +----
 +
 +===== Test the Disks =====
 +
 +All hard drives, both new and old, should be tested before adding them to an array.
 +
 +See S.M.A.R.T. to view smart data and run smart tests.
 +
 +Do a short smart test:
 +
 +<code bash>
 +smartctl -t short /dev/sdb [-d sat]
 +</code>
 +
 +Do a long smart test:
 +
 +<code bash>
 +smartctl -t long /dev/sdb [-d sat]
 +</code>
 +
 +Check all smart attributes:
 +
 +<code bash>
 +smartctl -a /dev/sdb [-d sat]
 +</code>
 +
 +Do a random readwrite test:
 +
 +<code bash>
 +sudo fio --filename="/dev/sdb --name=randwrite --ioengine=sync --iodepth=1 --rw=randrw --rwmixread=50 --rwmixwrite=50 --bs=4k --direct=0 --numjobs=8 --size=300G --runtime=7200 --group_reporting
 +</code>
 +
 +<WRAP info>
 +**NOTE:** The smartmontools package might be needed to be installed:
 +
 +<code bash>
 +sudo apt install smartmontools
 +</code>
 +
 +  * **-d sat**:  Sata disks.
 +
 +See:  https://www.smartmontools.org/
  
 </WRAP> </WRAP>
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 ===== Partition other Disks ===== ===== Partition other Disks =====
  
-Repeat the above instructions for the other free disks.+<WRAP info> 
 +**NOTE:** Repeat the above instructions for the other free disks. 
 +</WRAP> 
  
 ---- ----
nas/build_a_linux_nas/prepare_the_raid_disks.1632603181.txt.gz · Last modified: 2021/09/25 20:53 by peter

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