Date: Wed, 29 Feb 2012 04:13:25 +0000 From: John <jwd@freebsd.org> To: freebsd-fs@freebsd.org, freebsd-geom@freebsd.org Subject: GEOM tasting iscsi zvols? Message-ID: <20120229041325.GA4447@FreeBSD.org>
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Hi Folks, I noticed (actually looked at my serial console logs :) that GEOM appears to be tasting the zvols being exported via iscsi(istgt). For instance: multipath completes... GEOM_MULTIPATH: da405 added to Z22 GEOM_MULTIPATH: da406 added to Z23 GEOM_MULTIPATH: da407 added to Z24 load zfs... ZFS filesystem version 5 ZFS storage pool version 28 luns tasted... GEOM_PART: integrity check failed (zvol/pool0/d00000003_300g_16k, MBR) GEOM_PART: integrity check failed (zvol/pool0/d00000003_300g_16k@snap1, MBR) GEOM_PART: integrity check failed (zvol/pool0/d00000001_300g_16k, MBR) GEOM_PART: integrity check failed (zvol/pool0/d00000001_300g_16k@snap1, MBR) The zvols have never been accessed/formatted from the local system except via the istgt daemon from the client. Is there a way to disable this that I've somehow missed? man 4 GEOM mentions "tasting" and the logic around this operation. A google search shows a couple of similar questions - no discrete answers. Comments welcome. Thanks, John
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