diff options
| -rw-r--r-- | zfs.html.markdown | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/zfs.html.markdown b/zfs.html.markdown index 92d7aaa2..8058211d 100644 --- a/zfs.html.markdown +++ b/zfs.html.markdown @@ -18,7 +18,7 @@ usability for systems administrators. ### Virtual Devices -A VDEV (Virtual Device) in ZFS is analogous to a RAID device and simmilaly offers different +A VDEV (Virtual Device) in ZFS is analogous to a RAID device and similarly offers different benefits in terms of redundancy and performance. In general VDEV's offer better reliability and safety than a RAID card. It is discouraged to use a RAID setup with ZFS, as ZFS expects to directly manage the underlying disks. @@ -256,14 +256,14 @@ zroot/var none none ### Write Log Pool -The ZFS Intent Log (ZIL) is a write log designed to speed up syncronus writes. This is +The ZFS Intent Log (ZIL) is a write log designed to speed up synchronous writes. This is typically a faster drive or drive partition than the larger storage pools. ```bash # Add a log pool $ zpool add mypool/lamb log /dev/sdX -# Check the configureation +# Check the configuration $ zpool status mypool/lamb ``` @@ -277,13 +277,13 @@ storage pools. # Add a cache pool $ zpool add mypool/lamb cache /dev/sdY -# Check the configureation +# Check the configuration $ zpool status mypool/lamb ``` ### Data Compression -Data compression reduces the amount of space data occupies on disk in excange for some extra +Data compression reduces the amount of space data occupies on disk in exchange for some extra CPU usage. When enabled, it can enhance performance by reducing the amount of disk I/O. It especially beneficial on systems with more CPU resources than disk bandwidth. @@ -297,14 +297,14 @@ compression NO YES on | off | lzjb | gzip | gzip-[1-9] | zle | lz4 | # Set compression $ zfs set compression=on mypool/lamb -# Check the configureation +# Check the configuration $ zpool get compression mypool/lamb ``` ### Encryption at Rest Encryption allows data to be encrypted on the device at the cost of extra CPU cycles. This -propery can only be set when a dataset is being created. +property can only be set when a dataset is being created. ```bash # Enable encryption on the pool @@ -313,7 +313,7 @@ $ zpool set feature@encryption=enabled black_hole # Create an encrypted dataset with a prompt $ zfs create -o encryption=on -o keyformat=passphrase black_hole/enc -# Check the configureation +# Check the configuration $ zfs get encryption black_hole/enc ``` @@ -422,7 +422,7 @@ $ zfs promote zroot/home/sarlalian_new ### Putting it all together This following a script utilizing FreeBSD, jails and ZFS to automate -provisioning a clean copy of a mysql staging database from a live replication +provisioning a clean copy of a MySQL staging database from a live replication slave. ```bash |