Re: A new Drive

[Todd Gruhn <tgruhn2%gmail.com@localhost>]

Cylinders -- how is that done?  Because there is no tracks etc...

On Tue, Feb 18, 2025 at 7:23 PM Mike Pumford <mpumford%mudcovered.org.uk@localhost> wrote:
>
> On 18/02/2025 22:36, Todd Gruhn wrote:
> > Has anyone used NetBSD with a SSD ?
> >
> > Any specific size of name/type of SSD?
> >
> Its all pretty standardized so pretty much anything should work. I've
> used quite a variety of different SSD devices both SATA and NVME and
> never had any issues. Most of mine were Samsung devices but I've also
> used Crucial ones as well. Not much point recommending a specific model
> as the underlying hardware can change a lot over the production lifetime.
>
> Only thing to think about is partition alignment. Whilst the devices all
> report 512 byte sectors for maximum compatibility the actual underlying
> flash block size can be larger (same as some larger conventional disks).
>
> Assuming a relatively recent NetBSD the standard partitioning tools do
> the right thing and align things on 2k sector boundaries which seems to
> cover most devices.
>
> You might also want to play around with the FFS block and fragment sizes
> so that they are appropriate although I've never done so and haven't
> seen any performance oddities.
>
> Mike