update copyright year to current

[pve-docs.git] / local-zfs.adoc

diff --git a/local-zfs.adoc b/local-zfs.adoc
index fae3c35134c7e59df03dd303650d6787456df177..13f6050f6d8021dc2bc08d6a156c14c1ee69d6c6 100644 (file)
--- a/local-zfs.adoc
+++ b/local-zfs.adoc
@@ -1,3 +1,4 @@
+[[chapter_zfs]]
 ZFS on Linux
 ------------
 ifdef::wiki[]
@@ -306,14 +307,18 @@ time this value changes:
 ====
 
 
+[[zfs_swap]]
 .SWAP on ZFS
 
-SWAP on ZFS on Linux may generate some troubles, like blocking the
+Swap-space created on a zvol may generate some troubles, like blocking the
 server or generating a high IO load, often seen when starting a Backup
 to an external Storage.
 
 We strongly recommend to use enough memory, so that you normally do not
-run into low memory situations. Additionally, you can lower the
+run into low memory situations. Should you need or want to add swap, it is
+preferred to create a partition on a physical disk and use it as swapdevice.
+You can leave some space free for this purpose in the advanced options of the
+installer. Additionally, you can lower the
 ``swappiness'' value. A good value for servers is 10:
 
  sysctl -w vm.swappiness=10