Date: Tue, 7 Apr 2009 09:44:20 -0700 (PDT) From: Peter Steele <psteele@maxiscale.com> To: #freebsd-questions <freebsd-questions@freebsd.org> Subject: Should kern.disks always show currently attached drives? Message-ID: <20445545.981239122658390.JavaMail.HALO$@halo>
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I wanted to use the kern.disks sysctl variable but it doesn't seem to work the way I'd expect. When I first inspected this variable it showed the four hard drives I would expect: ad4 ad6 ad8 ad10 Then I inserted a USB stick and checked kern.disks again, and this time the new USB drive was included: da0 ad4 ad6 ad8 ad10 So far so good. Then I removed the USB disk, expecting it to be removed from kern.disks as well, but it was still included in the list. As another test, I removed the hard drive ad8 (it's a hot swappable SATA drive) and like the USB drive, kern.disks still included ad8 in the list. To make matters worse, when I put ad8 back in, an additional entry was added to kern.disks: ad8 da0 ad4 ad6 ad8 ad10 Is this normal behavior? Is there a way to force FreeBSD to refresh this list?
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