I have written a patch to permit system administrators to force display of vdev GUIDs by passing `-g` to `zpool status`. It is currently in a ZoL pull request:
https://github.com/zfsonlinux/zfs/pull/2012 This is intended to make it easier for system administrators to use GUIDs to workaround corner cases on Linux, where the device identifiers printed by `zpool status` are not accepted by the zpool detach/offline/remove/replace commands. The design of Linux's /dev makes it difficult to anticipate all possible ways use of device names could go wrong. I would prefer to properly handle all of them, but it seems practical to provide an easy way for system administrators to access this information, at least until all of the edge cases are caught. Does anyone have any objections to the addition of this option?
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