Re: Performance hit of frequent smartctl -A listings

"Ivan Lezhnjov Jr." <[email protected]>
Newsgroups gmane.linux.utilities.smartmontools
Message-ID <[email protected]>
Can anyone answer this one too? :D

On Nov 29, 2013, at 5:13 PM, Ivan Lezhnjov Jr. <[email protected]> wrote:

> Hello,
> 
> I was wondering if it is a good idea to have monitoring system call smartctl -A /dev/sdX somewhat frequently on my drives to monitor drives temperatures. I'm thinking 2-5 minutes interval, but I'm wondering how much of a performance hit on a drive is smartctl -A.
> 
> In fact, I would love to monitor most of the values in in smartctl -A output, which could lead to about 17 calls each 5 minutes. I know this is a very dumb way to go about it, and some intermediary caching mechanism is perhaps a must, but still, how costly are these listings?
> 
> Ivan


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