[PC-BSD Testing] 9.1-RC2 ssd, hdd and trim
kris at pcbsd.org
Thu Oct 18 15:14:00 PDT 2012
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On 10/18/2012 16:18, Lars Engels wrote:
> On Thu, Oct 18, 2012 at 05:44:20AM -0400, Kris Moore wrote:
>> On 10/17/2012 02:18, N V wrote:
>>> If I have ssd in the system, but install RC2 onto the hdd (currently -
>>> external usb hdd), installer sets TRIM flag for the filesystems.
It's not the
>>> problem, but generates warnings during the boot. )
>>> Testing mailing list
>>> Testing at lists.pcbsd.org
>> This is by design at the moment. We want TRIM on by default so SSD's are
>> happy. I'll find out if we can hide the warning though, since it just
>> turns the option off at boot if TRIM isn't supported.
> But why is TRIM globally enabled for all disks in the system, if only
> one of them (which isn't even used in this case) that supports TRIM?
Its on because it doesn't cause any issues (except for the warning), and
at the moment I don't have any SSD auto-detection in the installer.
Better to support SSD this way, instead of not at all. If I could find
some geom magic keyword to indicate a SSD, then I could auto-detect and
selectively enabled it. Do you know of any method at the moment?
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