X-Git-Url: https://git.proxmox.com/?p=pve-docs.git;a=blobdiff_plain;f=local-zfs.adoc;h=e47ad0be4db8915845e0034a818b7c05d7c200aa;hp=370bbc5c5327fe367b0f389457bc60d24948de37;hb=d48bdcf2b69b391c81bdb580c81de805071c2bb1;hpb=e300cf7dabefee4420ff2be46bf64d0c38a52d8a diff --git a/local-zfs.adoc b/local-zfs.adoc index 370bbc5..e47ad0b 100644 --- a/local-zfs.adoc +++ b/local-zfs.adoc @@ -1,6 +1,8 @@ ZFS on Linux ------------ -include::attributes.txt[] +ifdef::wiki[] +:pve-toplevel: +endif::wiki[] ZFS is a combined file system and logical volume manager designed by Sun Microsystems. Starting with {pve} 3.4, the native Linux @@ -57,7 +59,7 @@ ZFS depends heavily on memory, so you need at least 8GB to start. In practice, use as much you can get for your hardware/budget. To prevent data corruption, we recommend the use of high quality ECC RAM. -If you use a dedicated cache and/or log disk, you should use a +If you use a dedicated cache and/or log disk, you should use an enterprise class SSD (e.g. Intel SSD DC S3700 Series). This can increase the overall performance significantly. @@ -260,12 +262,19 @@ Activate E-Mail Notification ZFS comes with an event daemon, which monitors events generated by the ZFS kernel module. The daemon can also send emails on ZFS events like -pool errors. +pool errors. Newer ZFS packages ships the daemon in a sparate package, +and you can install it using `apt-get`: + +---- +# apt-get install zfs-zed +---- To activate the daemon it is necessary to edit `/etc/zfs/zed.d/zed.rc` with your favourite editor, and uncomment the `ZED_EMAIL_ADDR` setting: +-------- ZED_EMAIL_ADDR="root" +-------- Please note {pve} forwards mails to `root` to the email address configured for the root user. @@ -312,7 +321,9 @@ run into low memory situations. Additionally, you can lower the To make the swappiness persistent, open `/etc/sysctl.conf` with an editor of your choice and add the following line: - vm.swappiness = 10 +-------- +vm.swappiness = 10 +-------- .Linux kernel `swappiness` parameter values [width="100%",cols="