X-Git-Url: https://git.proxmox.com/?p=pve-docs.git;a=blobdiff_plain;f=pve-installation.adoc;h=b49b866900d5e6c072883db4984eff1c26841baa;hp=032fd5174903a012eb7867cf260f55ec0427759b;hb=22e65cdff9e64cc76fbce0a3f8aa0411b7360090;hpb=0a37d38ec22cdeefed30fc1838bdddee3c9ade19

diff --git a/pve-installation.adoc b/pve-installation.adoc
index 032fd51..b49b866 100644
--- a/pve-installation.adoc
+++ b/pve-installation.adoc
@@ -135,8 +135,9 @@ required for lvmthin snapshots).
 ZFS Performance Tips
 ^^^^^^^^^^^^^^^^^^^^
 
-ZFS uses a lot of memory, so it is best to add additional 8-16GB RAM
-if you want to use ZFS.
+ZFS uses a lot of memory, so it is best to add additional RAM if you
+want to use ZFS. A good calculation is 4GB plus 1GB RAM for each TB
+RAW disk space.
 
 ZFS also provides the feature to use a fast SSD drive as write cache. The
 write cache is called the ZFS Intent Log (ZIL). You can add that after
@@ -167,8 +168,8 @@ apt-get update
 apt-get install proxmox-ve
 ----
 
-You can find a detailed step by step howto on the {pve}
-http://pve.proxmox.com/wiki/Install_Proxmox_VE_on_Debian_Jessie[wiki].
+You can find a detailed step by step howto on the
+{webwiki-url}Install_Proxmox_VE_on_Debian_Jessie[wiki].
 
 endif::wiki[]