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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1789227
Title:
nvme devices namespace assigned to the wrong controller
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Bionic:
Fix Committed
Bug description:
== Impact ==
During device discovery, when multipath is disabled, nvme multipath
module will very likely think that the name space on one nvme
controller belongs to the other controller.
== Fix ==
Commit a785dbccd95c37606c720580714f5a7a8b3255f1 upstream
From: Keith Busch <[email protected]>
When CONFIG_NVME_MULTIPATH is set, but we're not using nvme to multipath,
namespaces with multiple paths were not creating unique names due to
reusing the same instance number from the namespace's head.
This patch fixes this by falling back to the non-multipath naming method
when the parameter disabled using multipath.
Reported-by: Mike Snitzer <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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