In releases of SPDK prior to v23.01, GPT bdevs had a random UUID. This
ended with commit a1c7ae2d3f, which is OK
because a non-persistent UUID is not all that useful.
Per Table 5.6 in Section 5.3.3 of UEFI Spec 2.3, each partition has a
16-byte UniquePartitionGUID:
GUID that is unique for every partition entry. Every partition ever
created will have a unique GUID. This GUID must be assigned when the
GPT Partition Entry is created. The GPT Partition Entry is created
whenever the NumberOfPartitionEntries in the GPT Header is increased
to include a larger range of addresses.
With this change, GPT bdevs use this unique partition GUID as the bdev's
UUID.
Signed-off-by: Mike Gerdts <mgerdts@nvidia.com>
Change-Id: Id8e8aa9e7903d31f199e8cfdb487e45ce1524d7b
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/17351
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Community-CI: Mellanox Build Bot
ff12a5ed6a