* [pve-devel] [PATCH docs] storage: document preallocation as a common storage option
@ 2022-02-07 8:06 Fabian Ebner
2022-02-07 9:34 ` [pve-devel] applied: " Thomas Lamprecht
0 siblings, 1 reply; 2+ messages in thread
From: Fabian Ebner @ 2022-02-07 8:06 UTC (permalink / raw)
To: pve-devel
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
---
pvesm.adoc | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/pvesm.adoc b/pvesm.adoc
index 98c8c44..76992dd 100644
--- a/pvesm.adoc
+++ b/pvesm.adoc
@@ -239,6 +239,12 @@ format::
Default image format (`raw|qcow2|vmdk`)
+preallocation::
+
+Preallocation mode (`off|metadata|falloc|full`) for `raw` and `qcow2` images on
+file-based storages. The default is `metadata`, which is treated like `off` for
+`raw` images. When using network storages in combination with large `qcow2`
+images, using `off` can help to avoid timeouts.
WARNING: It is not advisable to use the same storage pool on different
{pve} clusters. Some storage operation need exclusive access to the
--
2.30.2
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2022-02-07 8:06 [pve-devel] [PATCH docs] storage: document preallocation as a common storage option Fabian Ebner
2022-02-07 9:34 ` [pve-devel] applied: " Thomas Lamprecht
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