From: Zac Dover Date: Sun, 19 May 2024 00:00:29 +0000 (+1000) Subject: doc/cephfs: Squid and later - subvolume quiesce X-Git-Tag: v19.1.1~359^2 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=eab4bfec4ab0191b18d7ed6a539168683fdfc2b3;p=ceph.git doc/cephfs: Squid and later - subvolume quiesce Add a note to the "Subvolume quiesce" section that says that the information in the section applies only to the Squid and later releases of Ceph. This is included here so that I don't overwrite the Reef and Quincy documentation with irrelevant information, and so that I don't overwrite the Squid information with blank space where the "Subvolume quiesce" section should be. Signed-off-by: Zac Dover (cherry picked from commit be63ca6d037a954caacb3b9737332e886a1f762f) --- diff --git a/doc/cephfs/fs-volumes.rst b/doc/cephfs/fs-volumes.rst index fe993c61b857..9851363f994b 100644 --- a/doc/cephfs/fs-volumes.rst +++ b/doc/cephfs/fs-volumes.rst @@ -797,6 +797,9 @@ pinned to one of the available ranks on the file system. Subvolume quiesce ----------------- +.. note:: The information in this section applies only to Squid and later + releases of Ceph. + CephFS snapshots do not provide strong-consistency guarantees in cases involving writes performed by multiple clients, which makes consistent backups and disaster recovery a serious challenge for distributed applications. Even in a case where an application uses