|
|
[[_TOC_]]
|
|
|
|
|
|
Software RAID
|
|
|
=============
|
|
|
# Software RAID
|
|
|
|
|
|
Replacing a drive
|
|
|
-----------------
|
|
|
## Replacing a drive
|
|
|
|
|
|
If a drive fails in a server, the procedure is essentially to open a
|
|
|
ticket, wait for the drive change, partition and re-add it to the RAID
|
... | ... | @@ -35,8 +33,7 @@ drive models. |
|
|
Note that Hetzner also has [pretty good documentation on how to deal
|
|
|
with SMART output](https://wiki.hetzner.de/index.php/Seriennummern_von_Festplatten_und_Hinweise_zu_defekten_Festplatten/en).
|
|
|
|
|
|
Hardware RAID
|
|
|
=============
|
|
|
# Hardware RAID
|
|
|
|
|
|
Some TPO machines have hardware RAID with `megaraid`
|
|
|
controllers. Those are controlled with the `MegaCLI` command that is
|
... | ... | @@ -95,8 +92,7 @@ This will make the drive blink (slot number 0 in enclosure 252): |
|
|
|
|
|
megacli -PdLocate -start -physdrv[252:0] -aALL
|
|
|
|
|
|
SMART monitoring
|
|
|
----------------
|
|
|
## SMART monitoring
|
|
|
|
|
|
Some servers will fail to properly detect disk drives in their SMART
|
|
|
configuration. In particular, `smartd` does not support:
|
... | ... | @@ -127,8 +123,7 @@ Other hardware RAID controllers are better supported. For example, the |
|
|
`megaraid` controller on `moly` was correctly detected by `smartd`
|
|
|
which accurately found a broken hard drive.
|
|
|
|
|
|
References
|
|
|
----------
|
|
|
## References
|
|
|
|
|
|
Here are some external documentation links:
|
|
|
|
... | ... | |