Date: Wed, 24 Jul 2013 09:08:30 +0100 From: Karl Pielorz <kpielorz_lst@tdx.co.uk> To: freebsd-geom@FreeBSD.org Subject: TRIM or no TRIM? Message-ID: <512DC7C043034F891F1012DA@Mail-PC.tdx.co.uk>
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Hi, I've got a 9.1-RELEASE-p4 amd64 system, on a SuperMicro board with: ahci0: <Intel ICH8 AHCI SATA controller> port 0xf070-0xf077,0xf060-0xf063,0xf050-0xf057,0xf040-0xf043,0xf000-0xf01f mem 0xdfa22000-0xdfa227ff irq 19 at device 31.2 on pci0 I'm using a graid RAID1 array comprising of two INTEL SSDSA2CW160G3's with a couple of file systems on it. I've used 'fsck_ffs -E' on the filesystems, rebooted as single user and done 'tunefs -t enable' for both file systems. On a subsequent reboot I get: " WARNING: /: TRIM flag on fs but disk does not confirm that it supports TRIM WARNING: /usr3: TRIM flag on fs but disk does not confirm that it supports TRIM " Is TRIM supported on this configuration? - Is there any way of telling if it's actually working? Thanks, -Karl
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