Github user dihardman commented on a diff in the pull request:
https://github.com/apache/geode/pull/544#discussion_r119439870
--- Diff:
geode-docs/managing/disk_storage/backup_restore_disk_store.html.md.erb ---
@@ -38,6 +38,15 @@ Do not try to create backup files from a running system
by using your operating
**Preparing to Make a Backup**
- Consider compacting your disk store before making a backup. If
auto-compaction is turned off, you may want to do a manual compaction to save
on the quantity of data copied over the network by the backup. For more
information on configuring a manual compaction, see [Manual
Compaction](compacting_disk_stores.html#compacting_disk_stores__li_63CF8C35153D4173AADF7DC35FEC61F9).
+- Take the backup when region operations are quiescent,
+to avoid the possibility of an inconsistency between region data and
+an asyncronous event queue (AEQ),
+if that backup were to be used to restore a system.
+The AEQ is persistent.
+If a backup is unlucky enough to be taken between
--- End diff --
Instead of "If the backup is unlucky enough to be taken between", consider:
If the timing of the backup occurs between...
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