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On 2015/02/09 10:30 PM, Kai Krakow wrote:
> Brendan Hide <brendan@xxxxxxxxxxxxxxxxx> schrieb:
>
>> I have the following two lines in
>> /etc/udev/rules.d/61-persistent-storage.rules for two old 250GB
[snip]
> Wouldn't it be easier and more efficient to use this:
>
> ACTION=="add|change", KERNEL=="sd[a-z]", ENV{ID_SERIAL}=="...",
> ATTR{device/timeout}="120"
>
> Otherwise you always spawn a shell and additional file descriptors,
> and you could spare a variable interpolation. Tho it probably
> depends on your udev version...
>
> I'm using this and it works setting the attributes (set deadline on
> SSD):
>
> ACTION=="add|change", KERNEL=="sd[a-z]",
> ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="deadline"
>
> And, I think you missed the double-equal "==" behind ENV{}...
> Right? Otherwise you just assign a value. Tho, you could probably
> match on ATTR{devices/model} instead to be more generic (the serial
> is probably too specific). You can get those from the
> /sys/block/sd* subtree.
>
It is certainly possible that it isn't 100% the right way - but it has
been working. Your suggestions certainly sound more
efficient/canonical. I was following what I found online until it
"worked". :)
I'll make the appropriate adjustments and test.
Thanks!
- --
__________
Brendan Hide
http://swiftspirit.co.za/
http://www.webafrica.co.za/?AFF1E97
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