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Add option to zpool status to print guids #2012

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Add option to zpool status to print guids #2012

wants to merge 1 commit into from

Commits on Sep 30, 2014

  1. Add option to zpool status to print guids 

    The use of vdev GUIDs are a necessary workaround in edge cases where the
names provided by `zpool status` are not accepted by the zpool
detach/offline/remove/replace commands. The current method of obtaining
them uses zdb, but this does not work in all cases (see
openzfs#1530).

This provides a method of obtaining vdev GUIDs that is more reliable and
straightforward than zdb. It would be better to fix all edge cases that
require the use of GUIDs as a workaround, but Linux's /dev design makes
it difficult to anticipate such edge cases, which makes this option
necessary.

Note that this adds a new boolean parameter to `zpool_vdev_name`, which
changes the libzfs interface.

Closes openzfs#2011

Signed-off-by: Richard Yao <ryao@gentoo.org>
    @ryao
    ryao committed Sep 30, 2014
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