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[zfs/en] fixed typos (#4970)

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@ -18,7 +18,7 @@ usability for systems administrators.
### Virtual Devices ### 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 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 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. to directly manage the underlying disks.
@ -256,14 +256,14 @@ zroot/var none none
### Write Log Pool ### 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. typically a faster drive or drive partition than the larger storage pools.
```bash ```bash
# Add a log pool # Add a log pool
$ zpool add mypool/lamb log /dev/sdX $ zpool add mypool/lamb log /dev/sdX
# Check the configureation # Check the configuration
$ zpool status mypool/lamb $ zpool status mypool/lamb
``` ```
@ -277,13 +277,13 @@ storage pools.
# Add a cache pool # Add a cache pool
$ zpool add mypool/lamb cache /dev/sdY $ zpool add mypool/lamb cache /dev/sdY
# Check the configureation # Check the configuration
$ zpool status mypool/lamb $ zpool status mypool/lamb
``` ```
### Data Compression ### 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 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. 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 # Set compression
$ zfs set compression=on mypool/lamb $ zfs set compression=on mypool/lamb
# Check the configureation # Check the configuration
$ zpool get compression mypool/lamb $ zpool get compression mypool/lamb
``` ```
### Encryption at Rest ### Encryption at Rest
Encryption allows data to be encrypted on the device at the cost of extra CPU cycles. This 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 ```bash
# Enable encryption on the pool # Enable encryption on the pool
@ -313,7 +313,7 @@ $ zpool set feature@encryption=enabled black_hole
# Create an encrypted dataset with a prompt # Create an encrypted dataset with a prompt
$ zfs create -o encryption=on -o keyformat=passphrase black_hole/enc $ zfs create -o encryption=on -o keyformat=passphrase black_hole/enc
# Check the configureation # Check the configuration
$ zfs get encryption black_hole/enc $ zfs get encryption black_hole/enc
``` ```
@ -422,7 +422,7 @@ $ zfs promote zroot/home/sarlalian_new
### Putting it all together ### Putting it all together
This following a script utilizing FreeBSD, jails and ZFS to automate 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. slave.
```bash ```bash