[TriLUG] network storage drive spin up policy: how often for longest life? And can the SMART parms be hacked (reset)?

[Pete Soper via TriLUG]

Thanks for the feedback. I had read that there is no hard data about 
lifetimes with frequent or infrequent spinups and I guess that's the 
bottom line.

-Pete

On 12/2/20 2:18 PM, Brian via TriLUG wrote:
> On 12/2/20 1:14 PM, Pete Soper via TriLUG wrote:
>> how often should I spin them up, or should I just leave them spinning 
>> if my goal is longest life? 
>
> Here's something to consider:  No physical thing is 100% perfect. As 
> it applies here, the drive platters are not 100% balanced, and no two 
> drives spin at 100% exactly the same speed.  So if you have more than 
> one spinning drive in a chassis, really bad resonances can be set up 
> from the drives' differing vibration patterns.  I once added a drive 
> to a machine and it went from a relatively quiet thing to going WUM 
> WUM WUM pretty noticeably thanks to the drives' vibration interaction.
>
> All that to say, if you really want to maximize drive lifetime in a 
> multi-drive chassis, they need to be mounted with some vibration 
> isolation.  One way to do it, if you have a fairly typical chassis, is 
> to buy some rubber grommets whose I.D. fit the 6x32 screws, and drill 
> out the chassis holes to fit the grommets' O.D. You might need 
> slightly longer screws, too.  Put the grommets in the holes, then put 
> the screws in through the grommets, and don't tighten them down too 
> aggressively; the whole idea being allowing the drive to wiggle a bit 
> relative to the chassis.
>
> Anyhoo, just my $0.02.
>
> Cheers!
> -Brian
>
>