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author | Arne Wiebalck <Arne.Wiebalck@cern.ch> | 2021-03-29 09:45:41 +0200 |
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committer | Arne Wiebalck <Arne.Wiebalck@cern.ch> | 2021-03-29 09:45:41 +0200 |
commit | fc457a49d7a51db6c50cc8f7edd471faed4e528f (patch) | |
tree | 07869c6ebcc2445c3fa72bb083579bef30d3281a | |
parent | 98f662dbf7739f6ac3273aa69c00138106f808f9 (diff) | |
download | ironic-fc457a49d7a51db6c50cc8f7edd471faed4e528f.tar.gz |
[doc] Warning about out-of-sync ESPs for UEFI software RAID
Add a note that the ESPs created by the IPA may get out of sync.
Change-Id: Ie2553eac42ed2e36a9be0b9720a79269a08e3252
-rw-r--r-- | doc/source/admin/raid.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/source/admin/raid.rst b/doc/source/admin/raid.rst index 06a7c3f27..5ffbbd5bf 100644 --- a/doc/source/admin/raid.rst +++ b/doc/source/admin/raid.rst @@ -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 ------------------ |