Disk configuration for 'discernment'

For more info see 'discernment'.

sda (750GB)
WD-WX81A43N0219

sda1 (1GB)
/boot/efi

sda2 (2GB)
md0

sda3 (750GB)
rust

sdb (4TB)
K7GNY0ML

sdb1 (1GB)
/boot/efi

sdb2 (2GB)
md0

sdb3 (4TB)
data

sdc (4TB)
VBG5BA1R

sdc1 (1GB)
/boot/efi

sdc2 (2GB)
md0

sdc3 (4TB)
data

sdd (4TB)
K4K6MJ9B

sdd1 (1GB)
/boot/efi

sdd2 (2GB)
md0

sdd3 (4TB)
data

sde (500GB)
184220A00B57

sde1 (100GB)
md1

sde2 (400GB)
fast

sdf (500GB)
184301A00645

sdf1 (100GB)
md1

sdf2 (400GB)
fast

sdg (250GB)
182481801165
data:cache

Device	Drive	Model	Commissioned	Sequential	Random	WRL	Temp °C	Data Sheet
sda	WD Black 750GB	WD7500BPKT-22PK4T0	2014?	83 MB/s	1 MB/s	55 TB/yr	0°C to 60°C	download
sd[bd]	WD Red Pro 4TB 7200rpm	WD4002FFWX	2019-03-14	160 MB/s	2 MB/s	300 TB/yr	0°C to 65°C	download
sdc	WD Red Pro 4TB 7200rpm	WD4003FFBX	2019-03-14	160 MB/s	2 MB/s	300 TB/yr	0°C to 65°C	download
sd[ef]	WD Blue 500GB SATA SSD M.2	WDC WDS500G2B0B	2019-03-11	388 MB/s	56 MB/s	200 TBW	0°C to 70°C	download
sdg	WD Blue 250GB SATA SSD M.2	WDC WDS250G2B0B-00YS70	2019-03-21	304 MB/s	47 MB/s	100 TBW	0°C to 70°C	download

fstab

Device	Capacity	File-system	Mount
md0p1	2GB	ext4	/boot
md1p1	100GB	btrfs	/

ZFS zpools

Pool	RAID	Capacity	Compression	Dedup
fast	RAID1	400GB	lz4	on
data	RAIDZ	8TB	zstd	on
rust	RAID0	750GB	zstd	on

ZFS datasets

These are the datasets we create on our zpools.

Dataset	Mount
fast	/fast
fast/home	/home
fast/home/jj5	/home/jj5
fast/session	/var/log/session
data	/data
data/restore	/data/restore
data/opt	/opt
data/srv	/srv
data/git	/var/git
data/mailman	/var/lib/mailman
data/mysql	/var/lib/mysql
data/state	/var/state
data/svn	/var/svn
data/vmail	/var/vmail
data/www	/var/www
rust	/rust

Commands

Initial setup on 2023-03-02

#!/bin/bash

set -euo pipefail;
shopt -s dotglob;

RUST_DISK=/dev/disk/by-id/ata-WDC_WD7500BPKT-22PK4T0_WD-WX81A43N0219

FAST_DISK_1=/dev/disk/by-id/ata-WDC_WDS500G2B0B_184220A00B57
FAST_DISK_2=/dev/disk/by-id/ata-WDC_WDS500G2B0B_184301A00645

DATA_DISK_1=/dev/disk/by-id/ata-WDC_WD4002FFWX-68TZ4N0_K7GNY0ML
DATA_DISK_2=/dev/disk/by-id/ata-WDC_WD4003FFBX-68MU3N0_VBG5BA1R
DATA_DISK_3=/dev/disk/by-id/ata-WDC_WD4002FFWX-68TZ4N0_K4K6MJ9B

DATA_CACHE=/dev/disk/by-id/ata-WDC_WDS250G2B0B-00YS70_182481801165

apt install zfsutils-linux

zpool create -f \
    -o ashift=12 -o autotrim=on \
    -O acltype=posixacl -O compression=lz4 \
    -O dnodesize=auto -O normalization=formD -O atime=off -O dedup=on \
    -O xattr=sa \
    fast mirror ${FAST_DISK_1}-part2 ${FAST_DISK_2}-part2

zpool create -f \
    -O acltype=posixacl -O compression=zstd \
    -O dnodesize=auto -O normalization=formD -O atime=off -O dedup=on \
    -O xattr=sa \
    data raidz ${DATA_DISK_1}-part3 ${DATA_DISK_2}-part3 ${DATA_DISK_3}-part3

zpool add data cache ${DATA_CACHE}

zpool create -f \
    -O acltype=posixacl -O compression=zstd \
    -O dnodesize=auto -O normalization=formD -O atime=off -O dedup=on \
    -O xattr=sa \
    rust ${RUST_DISK}-part3

zfs create fast/home
zfs create fast/home/jj5

zfs create fast/session
zfs set dedup=off fast/session
zfs set compression=zstd fast/session
zfs set mountpoint=/var/log/session fast/session
chmod 1777 /var/log/session

zfs create data/restore

zfs create data/opt
zfs set mountpoint=/opt data/opt

zfs create data/srv
zfs set mountpoint=/srv data/srv

zfs create data/git
zfs set mountpoint=/var/git data/git

zfs create data/mailman
zfs set mountpoint=/var/lib/mailman data/mailman

zfs create data/mysql
zfs set mountpoint=/var/lib/mysql data/mysql

zfs create data/state
zfs set mountpoint=/var/state data/state

zfs create data/svn
zfs set mountpoint=/var/svn data/svn

zfs create data/vmail
zfs set mountpoint=/var/vmail data/vmail

zfs create data/www
zfs set mountpoint=/var/www data/www

mv /home /home.bak

zfs set mountpoint=/home fast/home

chown jj5:jj5 /home/jj5
mv /home.bak/jj5/* /home/jj5/
rmdir /home.bak/jj5
rmdir /home.bak