Mirrors/ansible-nas
2
0
Fork 0
mirror of https://github.com/davestephens/ansible-nas synced 2024-12-26 03:23:11 +00:00
Code Issues Projects Releases Packages Wiki Activity

Further edits because of stupidity

Browse source
This commit is contained in:
Scot W. Stevenson 2019-04-13 16:41:29 +02:00
parent fd3872db48
commit fdf29103cc
2 changed files with 11 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
docs/zfs_configuration.md
View file

@ -35,8 +35,8 @@ redundancy. The actual Ubuntu system will be on a different drive and is not our
concern.
> [Root on ZFS](https://github.com/zfsonlinux/zfs/wiki/Ubuntu-18.04-Root-on-ZFS)
> is currently still a hassle for Ubuntu. If that changes, this document might
> be updated accordingly. Until then, don't ask us about it.
> is still a hassle for Ubuntu. If that changes, this document might be updated
> accordingly. Until then, don't ask us about it.
The Ubuntu kernel is already ready for ZFS. We only need the utility package
which we install with `sudo apt install zfsutils`.
@ -54,21 +54,22 @@ create our ZFS pool, we will use a command in this form:
The options from simple to complex are:
**<NAME>**: ZFS pools traditionally take their names from characters in the [The
**NAME**: ZFS pools traditionally take their names from characters in the [The
Matrix](https://www.imdb.com/title/tt0133093/fullcredits). The two most common
are `tank` and `dozer`. Whatever you use, it should be short.
are `tank` and `dozer`. Whatever you use, it should be short - think `ash`, not
`xenomorph`.
**<DRIVES>**: The Linux command `lsblk` will give you a quick overview of the
**DRIVES**: The Linux command `lsblk` will give you a quick overview of the
hard drives in the system. However, we don't pass the drive specification in the
format `/dev/sde` because this is not persistent. Instead,
[use](https://github.com/zfsonlinux/zfs/wiki/FAQ#selecting-dev-names-when-creating-a-pool)
[always use](https://github.com/zfsonlinux/zfs/wiki/FAQ#selecting-dev-names-when-creating-a-pool)
the output of `ls /dev/disk/by-id/` to find the drives' IDs.
**<ASHIFT>**: This is required to pass the [sector
**ASHIFT**: This is required to pass the [sector
size](https://github.com/zfsonlinux/zfs/wiki/FAQ#advanced-format-disks) of the
drive to ZFS for optimal performance. You might have to do this by hand because
some drives lie: Whereas modern drives have 4k sector sizes (or 8k in case of
many SSDs), they will report 512 bytes because Windows XP [can't handle 4k
some drives lie: Whereas modern drives have 4k sector sizes (or 8k for many
SSDs), they will report 512 bytes because Windows XP [can't handle 4k
sectors](https://support.microsoft.com/en-us/help/2510009/microsoft-support-policy-for-4k-sector-hard-drives-in-windows).
ZFS tries to [catch the
liars](https://github.com/zfsonlinux/zfs/blob/master/cmd/zpool/zpool_vdev.c) and

2
docs/zfs_overview.md
View file

@ -215,7 +215,7 @@ RAM instead.
[introduction](https://pthree.org/2012/04/17/install-zfs-on-debian-gnulinux/)
to ZFS on Linux. If you only read one part, make it the [explanation of the
ARC](https://pthree.org/2012/12/07/zfs-administration-part-iv-the-adjustable-replacement-cache/),
ZFS read cache.
ZFS' read cache.
- One of the best books on ZFS around is _FreeBSD Mastery: ZFS_ by Michael W.
Lucas and Allan Jude. Though it is written for FreeBSD, the general guidelines