Date: Wed, 24 Jul 2013 11:43:25 +0100 From: Karl Pielorz <kpielorz_lst@tdx.co.uk> To: Steven Hartland <killing@multiplay.co.uk>, freebsd-geom@FreeBSD.org Subject: Re: TRIM or no TRIM? Message-ID: <D6B2C9B94A5FD0E3111D83F7@Mail-PC.tdx.co.uk> In-Reply-To: <A34136B4528A476BB11F178D9469D7EB@multiplay.co.uk> References: <512DC7C043034F891F1012DA@Mail-PC.tdx.co.uk> <A34136B4528A476BB11F178D9469D7EB@multiplay.co.uk>
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--On 24 July 2013 11:07 +0100 Steven Hartland <killing@multiplay.co.uk> wrote: > 9.1 is a bit old, 9.2-BETA1 or 9/stable will be able to tell you if > indeed your SSD is reporting TRIM via: > camcontrol identify <disk> 'bit old'? - if only freebsd-update handled updating to 'stable' (unless it does?). Anyway, the camcontrol runs on this ancient 9.1 system ;) and shows: " data set management (TRIM) yes " So it is supported by the drive - remembering the file system is mounted from '/dev/raid/r0' - i.e. not the actual underlying drive). But everything I've seen about geom etc. indicates on this version is should support 'trim' - it may well even be using it, but with the warning logged about 'disk does not confirm that it supports trim' - I'd rather be sure... -Karl
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