[CentOS] info about hdds in raid
lesmikesell at gmail.com
Tue Nov 3 00:02:25 UTC 2009
John R Pierce wrote:
> Les Mikesell wrote:
>> If you can see activity lights, you can 'cat /dev/sd? >/dev/null' to
>> make them busy, one at a time (where ? is a, b, c, etc).
> hahaha, I've done that, only my version is...
> # dd if=/dev/sdX of=/dev/null bs=512
> but, same difference
It's unfortunately about the best we've got when device names are
assigned more or less randomly. NICs are even worse - we need a command
to make the lights blink there too.
Les Mikesell at gmail.com
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