Date: Sat, 4 Feb 2017 22:57:23 +0100 From: Polytropon <freebsd@edvax.de> To: Roger Marquis <marquis@roble.com> Cc: freebsd-questions@freebsd.org Subject: Re: Disappearing /dev/diskid/DISK* Message-ID: <20170204225723.0d29efcc.freebsd@edvax.de> In-Reply-To: <1702041139150.62205@mx5.roble.com> References: <1702041139150.62205@mx5.roble.com>
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On Sat, 4 Feb 2017 11:42:07 -0800 (PST), Roger Marquis wrote: > What would cause these entries be disappearing and reappearing, several > days apart, on an 11.0-RELEASE-p6 system with ZFS root? Other than the obvious (disks physically disconnecting), I could imagine this has something to do with labels (or in this case specifically, with disk serial numbers). When a label is being used, for example to mount a partition, the corresponding entry in the /dev subtree will disappear, i. e. only those _not_ in use are present there. Could it be some "automount"-related thing (when you say it's happening more or less randomly)? Maybe related: https://www.freebsd.org/doc/handbook/geom-glabel.html https://lists.freebsd.org/pipermail/freebsd-geom/2014-June/005921.html http://bradleythughes.github.io/2015/05/06/booting-freebsd-zfs-raw-disks.html https://forums.freebsd.org/threads/47671/ -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...
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