[Novalug] Intel X-25M SSD with Jaunty on Lenovo T61

[Miguel González Castaños]

Ed James wrote:
> This smacks of an issue which I've been fighting for some time now on
> more conventional hardware - stopping HD access when my machines don't
> seem to have any real need for such access.
>
> I've hit this problem on both a desktop and a laptop.  I still see
> a HD access on the desktop every 5 seconds or so, and it just will
> not stay in sleep mode.
>
> The laptop did the same, but the CD light also flicked every 5 seconds.
> Killing magicdev seemed to be the final problem for the CD, but the
> HD gets "hit" every 30-40 seconds.   The HD hit rate was much faster,
> but I've deactivated a ton of processes to get to this point.
>
> I would suggest that the powers that push SSD expend some resources
> on utilities to monitor disk I/O to minimize it, or at least identify
> the constant hitters.
>
> One trick I tried was to use a USB flashdrive as swap, so I could tell
> exactly when swapping was going on by the blinking flashdrive light.
> Swap wasn't the problem.  Next stage might be using a BIG flashdrive
> and installing duplicate installs on both the HD and the FD, then
> varying the mounting of different directorys to study access usage.
>
> I do remember some io package suggested before, but it in turn
> required yet another install of some software which I didn't yet
> have, and I don't believe all the software was readily available for
> my old junk hardware and software.  Eventually, perhaps kicking and
> screaming, I'll catch up to the rest of you all. :)
This sounds pretty interesting. Can you point to some URLs or any 
document about this? What about in servers?

Miguel