openstack/ironic
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Merge "[doc] Warning about out-of-sync ESPs for UEFI software RAID"

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Zuul 2021-03-29 23:38:19 +00:00 committed by Gerrit Code Review
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doc/source/admin/raid.rst
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@ -400,6 +400,14 @@ There are certain limitations to be aware of:
* There is no support for partition images, only whole-disk images are
supported with Software RAID. See :doc:`/install/configure-glance-images`.
* In UEFI mode, the Ironic Python Agent creates EFI system partitions (ESPs)
for the bootloader and the boot configuration (grub.cfg or grubenv) on all
holder devices. The content of these partitions is populated upon deployment
from the deployed user image. Depending on how the partitions are mounted,
the content of the partitions may get out of sync, e.g. when new kernels
are installed or the bootloader is updated, so measures to keep these
partitions in sync need to be taken.
Image requirements
------------------