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FAQ: Why are backups slow on a Linux server that is a member of a windows domain? #8645

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7 changes: 7 additions & 0 deletions docs/faq.rst
Original file line number Diff line number Diff line change
Expand Up @@ -489,6 +489,13 @@ using ``nfs=nostale_ro``. Doing so implies mounting the filesystem read-only.
Another option is to not consider inode numbers in the files cache by passing
``--files-cache=ctime,size``.

Why are backups slow on a Linux server that is a member of a Windows domain?
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If a Linux server is a member of a Windows domain, username to userid resolution might be
performed via ``winbind`` without caching, which can slow down backups significantly.
You can use e.g. ``nscd`` to add caching and improve the speed.

Security
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