[pbs-devel] [PATCH docs 1/1] qmrestore: document pbs restore environment variables

Dominik Csapak d.csapak at proxmox.com
Mon Jul 14 10:34:39 CEST 2025


so users know they can override the concurrency settings.

Signed-off-by: Dominik Csapak <d.csapak at proxmox.com>
---
 qmrestore.adoc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/qmrestore.adoc b/qmrestore.adoc
index 37f185a..7f0b4a3 100644
--- a/qmrestore.adoc
+++ b/qmrestore.adoc
@@ -27,6 +27,11 @@ Restore the QemuServer vzdump backup `archive` to virtual machine
 `vmid`. Volumes are allocated on the original storage if there is no
 `storage` specified.
 
+When restoring from PBS, you can control the number of concurrent chunk fetches
+with the environment variable `PBS_RESTORE_FETCH_CONCURRENCY` (default=16) and
+the maximum number of threads to be used with `PBS_RESTORE_MAX_THREADS`
+(default=4).
+
 ifdef::manvolnum[]
 include::pve-copyright.adoc[]
 endif::manvolnum[]
-- 
2.39.5





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