* [pbs-devel] [PATCH proxmox-backup] docs: add note on supported filesystems
@ 2020-07-17 14:55 Stoiko Ivanov
2020-07-20 12:40 ` [pbs-devel] applied: " Thomas Lamprecht
0 siblings, 1 reply; 2+ messages in thread
From: Stoiko Ivanov @ 2020-07-17 14:55 UTC (permalink / raw)
To: pbs-devel
certain filesystems cannot be used as chunkstores, because they don't
support 2^16 subdirectories (e.g. ext4 with certain features disabled
or ext3 - see ext4(5))
reported via our community forum:
https://forum.proxmox.com/threads/emlink-too-many-links.73108/
Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
---
docs/administration-guide.rst | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/docs/administration-guide.rst b/docs/administration-guide.rst
index 1f329f80..e48f115a 100644
--- a/docs/administration-guide.rst
+++ b/docs/administration-guide.rst
@@ -139,6 +139,12 @@ or ``zfs``) to store the backup data.
Datastores are identified by a simple *ID*. You can configure it
when setting up the backup server.
+.. note:: The `File Layout`_ requires the file system to support more than
+ 65537 subdirectories per directory. This excludes certain filesystems and
+ filesystem configuration from being supported as datastore. For example
+ ``ext4`` without the ``dir_nlink`` feature (which is enabled by default)
+ and ``ext3``.
+
Datastore Configuration
--
2.20.1
^ permalink raw reply [flat|nested] 2+ messages in thread
* [pbs-devel] applied: [PATCH proxmox-backup] docs: add note on supported filesystems
2020-07-17 14:55 [pbs-devel] [PATCH proxmox-backup] docs: add note on supported filesystems Stoiko Ivanov
@ 2020-07-20 12:40 ` Thomas Lamprecht
0 siblings, 0 replies; 2+ messages in thread
From: Thomas Lamprecht @ 2020-07-20 12:40 UTC (permalink / raw)
To: Proxmox Backup Server development discussion, Stoiko Ivanov
On 17.07.20 16:55, Stoiko Ivanov wrote:
> certain filesystems cannot be used as chunkstores, because they don't
> support 2^16 subdirectories (e.g. ext4 with certain features disabled
> or ext3 - see ext4(5))
>
> reported via our community forum:
> https://forum.proxmox.com/threads/emlink-too-many-links.73108/
>
> Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
> ---
> docs/administration-guide.rst | 6 ++++++
> 1 file changed, 6 insertions(+)
>
>
applied, thanks! Fixed up the number to 2^16 + 2 and restructured the sentence
a bit - maybe worth rechecking if it is still understandable :)
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2020-07-20 12:41 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-07-17 14:55 [pbs-devel] [PATCH proxmox-backup] docs: add note on supported filesystems Stoiko Ivanov
2020-07-20 12:40 ` [pbs-devel] applied: " Thomas Lamprecht
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox