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sysadmin.adoc: add more ZFS tips

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Dietmar Maurer 2016-01-06 19:31:20 +01:00
parent 8e6e64116e
commit f6733ab323
1 changed files with 12 additions and 1 deletions
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@ -276,9 +276,20 @@ If you have more than one disk, you can also use ZFS as file system.
ZFS supports several software RAID levels, so this is specially useful ZFS supports several software RAID levels, so this is specially useful
if you do not have a hardware RAID controller. if you do not have a hardware RAID controller.
TIP: ZFS uses a lot of memory, so it is best to add additional 8-16GB RAM .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. if you want to use ZFS.
.Use fast SSD as write cache
ZFS 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
installation using the following command:
zpool add <pool-name> log </dev/path_to_fast_ssd>
****
The next pages just asks for basic configuration options like time The next pages just asks for basic configuration options like time
zone and keyboard layout. You also need to specify your email address zone and keyboard layout. You also need to specify your email address
and select a superuser password. and select a superuser password.