Mailinglist Archive: opensuse-project (479 mails)

[Greg Freemyer <greg.freemyer@xxxxxxxxx>]

On Wed, Jan 12, 2011 at 1:29 PM, Greg KH <gregkh@xxxxxxx> wrote:
> On Wed, Jan 12, 2011 at 01:21:26PM -0500, Greg Freemyer wrote:
> > On Wed, Jan 12, 2011 at 12:43 PM, Greg KH <gregkh@xxxxxxx> wrote:
> > > On Wed, Jan 12, 2011 at 06:33:26PM +0100, Johannes Nohl wrote:
> > > > 2011/1/12 Greg KH <gregkh@xxxxxxx>:
> > > > > On Wed, Jan 12, 2011 at 05:29:58PM +0100, Johannes Nohl wrote:
> > > > > > I'd like to ask for feedback. How do you treat your SSD running
> > > > > > openSUSE 11.3?
> > > > >
> > > > > Like a normal disk, not worrying about any TRIM crud or anything else
> > > > > like that.  You should not have to ever send those types of commands to
> > > > > the disk unless you feel like potentially causing problems :)
> > > >
> > > > Great, but why does
> > > > http://en.opensuse.org/SDB:SSD_discard_%28trim%29_support suggest to
> > > > use a tool like wiper.sh then? I would prefer to not interact with the
> > > > disk by intention at all.
> > >
> > > I do not know at all.  But realize, these disks are designed to work in
> > > systems that do not have TRIM support at all in them (i.e. some other
> > > operating system), so not running these commands on your Linux system is
> > > just fine.
> > >
> > > thanks,
> > >
> > > greg k-h
> >
> > Greg,
> >
> > Windows 7 has near real-time trim support and lots of laptops run that by 
> > now.
>
> Yes, but Vista and XP doesn't, and that still is the majority of systems
> out there right now.  So no manufacturer creates a device that will
> slowly fail when running on those machines.
>
> thanks,
>
> greg k-h

Fail: no.

Slowly see a performance degradation; yes

In fact afaik, the only reason ATA-8 introduced trim was to eliminate
the well known slow performance degradation of SSDs.  I believe most
of the SSD manufacturers support it now.  If it didn't help, they
wouldn't waste their time on it.
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