Public bug reported:
lsblk from util-linux in xenial is affected by this bug:
https://github.com/karelzak/util-linux/issues/321
This means that lsblk may return the same identifier for different
devices, because it always uses the short WWN, while some devices are
only identified uniquely by the full (extended) WWN.
This has been fixed in upstream util-linux for a while, but the version
in xenial is just a tick too old. Since the patch is less than 10 lines,
maybe you would consider a backport?
To my knowledge, this affects mainly "Enterprise" hardware - logical
volumes on fully hardware-driven RAID controllers like HP, Dell,
LSI/Avago, and logical volumes on external storage arrays addressed over
iSCSI or FC.
** Affects: util-linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1639744
Title:
lsblk does not use extended WWNs and may return the same ID for two
different disks
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