X-Git-Url: https://git.proxmox.com/?p=pve-docs.git;a=blobdiff_plain;f=local-zfs.adoc;h=13f6050f6d8021dc2bc08d6a156c14c1ee69d6c6;hp=fae3c35134c7e59df03dd303650d6787456df177;hb=917ee0a6001d3b48331a71393ded48937af0c6a6;hpb=470d43137c9ca6601bebe603486d45da39fed921 diff --git a/local-zfs.adoc b/local-zfs.adoc index fae3c35..13f6050 100644 --- 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