Date: Mon, 2 Oct 2017 21:10:03 +0200 From: Ben RUBSON <ben.rubson@gmail.com> To: Freebsd fs <freebsd-fs@freebsd.org> Subject: Re: ZFS stalled after some mirror disks were lost Message-ID: <54AD0000-AF0B-4682-9047-6E6C1B82506C@gmail.com> In-Reply-To: <4f725113-bac3-64bb-9858-690811e73153@multiplay.co.uk> References: <4A0E9EB8-57EA-4E76-9D7E-3E344B2037D2@gmail.com> <71d4416a-3454-df36-adae-34c0b70cd84e@multiplay.co.uk> <8A189756-028A-465E-9962-D0181FAEBB79@gmail.com> <953DD379-C03A-4737-BAD8-14BB2DB4AB05@gmail.com> <4f725113-bac3-64bb-9858-690811e73153@multiplay.co.uk>
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> On 02 Oct 2017, at 20:41, Steven Hartland <killing@multiplay.co.uk> wrote: > > I'm guessing that the devices haven't disconnected cleanly so are just stalling all requests to them and hence the pool. I even tried to ifconfig down the network interface serving the iscsi targets, it did not help. > I'm not that familiar with iscsi, does it still show under under camcontrol or geom? # geom disk list (...) Geom name: da13 Providers: 1. Name: da13 Mediasize: 3999688294912 (3.6T) Sectorsize: 512 Mode: r1w1e2 wither: (null) Geom name: da15 Providers: 1. Name: da15 Mediasize: 3999688294912 (3.6T) Sectorsize: 512 Mode: r1w1e2 wither: (null) Geom name: da16 Providers: 1. Name: da16 Mediasize: 3999688294912 (3.6T) Sectorsize: 512 Mode: r1w1e2 wither: (null) Geom name: da19 Providers: 1. Name: da19 Mediasize: 3999688294912 (3.6T) Sectorsize: 512 Mode: r1w1e2 wither: (null) # camcontrol devlist // does not show the above disks > Does iscsid have any options on how to treat failed devices? iSCSI has some tuning regarding how to treat failing devices, and I did it : kern.iscsi.ping_timeout=5 kern.iscsi.iscsid_timeout=5 kern.iscsi.login_timeout=85 kern.iscsi.fail_on_disconnection=1 However, as I disconnected the targets from the server hosting the zpool, they should not have been needed.home | help
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