Date: Mon, 20 Jul 2015 10:28:28 +0100 From: Steven Hartland <killing@multiplay.co.uk> To: freebsd-stable@freebsd.org Subject: Re: Problems adding Intel 750 to zfs pool Message-ID: <55ACBF3C.2020208@multiplay.co.uk> In-Reply-To: <55A9D79E.3070601@techtangents.com> References: <55A9D79E.3070601@techtangents.com>
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This will almost certainly be due to slow TRIM support on the device. Try setting the sysctl vfs.zfs.vdev.trim_on_init to 0 before adding the devices. On 18/07/2015 05:35, dylan@techtangents.com wrote: > Hi, > > I've installed an Intel 750 400GB NVMe PCIe SSD in a Dell R320 running > FreeBSD 10.2-beta-1... not STABLE, but not far behind, I think. > Apologies if this is the wrong mailing list, or if this has been fixed > in STABLE since the beta. > > Anyway, I've gparted it into 2 partitions - 16GB for slog/zil and > 357GB for l2arc. Adding the slog partition to the pool takes about 2 > minutes - machine seems hung during that time. Ping works, but I can't > open another ssh session. > > Adding the l2arc doesn't seem to complete - it's been going 10 minutes > now and nothing. Ping works, but I can't log in to the local console > or another ssh session. > > I'm adding the partitions using their gpt names. i.e. > zpool add zroot log gpt/slog > zpool add zroot cache gpt/l2arc > > The system BIOS is up-to-date. The OS was a fresh 10.1 install, then > freebsd-update to 10.2-beta2. 10.1 exhibited the same symptoms. > > Root is on zfs. > > Device was tested to be working on Windows 8.1 on a Dell T1700 > workstation. > > Any ideas? > > Cheers, > > Dylan Just > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
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