Disk configuration for 'discernment'

For more info see 'discernment'.

nvme0n1 (2TB)
50026B768642EFF2
fast

nvme1n1 (2TB)
50026B768642EFF4
fast

sda (120GB)
WD Green 171905A00F49

sda1 (120GB)
/

sdb (4TB)
K7GNY0ML
data

sdc (4TB)
VBG5BA1R
data

sdd (4TB)
K4K6MJ9B
data

Device	Drive	Model	Commissioned	Sequential	Random	WRL	Temp °C	Data Sheet
nvme[01]n1	Kingston NV2 PCIe 4.0 NVMe SSD 2TB	KINGSTON SNV2S2000G	2023-05-28	3,500MB/s read; 2,800MB/s write		640 TBW	0°C to 70°C	online
sda	WD Green 120GB	WDC_WDS120G1G0A-00SS50	2016?	205 MB/s	34 MB/s	? TB/yr	0°C to 70°C	online
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

ZFS zpools

Pool	RAID	Capacity	Compression	Dedup
fast	RAID1	2TB	lz4	on
data	RAIDZ	10TB	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/virt	/fast/virt
data	/data

Commands

Initial setup on 2024-06-02

#!/bin/bash

set -euo pipefail;
shopt -s dotglob;

apt install zfsutils-linux

FAST_1=/dev/disk/by-id/nvme-KINGSTON_SNV2S2000G_50026B768642EFF4
FAST_2=/dev/disk/by-id/nvme-KINGSTON_SNV2S2000G_50026B768642EFF2

#DATA_1=/dev/disk/by-id/ata-WDC_WD4003FFBX-68MU3N0_VBG5BA1R
#DATA_2=/dev/disk/by-id/ata-WDC_WD4002FFWX-68TZ4N0_K7GNY0ML
#DATA_3=/dev/disk/by-id/ata-WDC_WD4002FFWX-68TZ4N0_K4K6MJ9B

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_1} ${FAST_2}

#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_1} ${DATA_2} ${DATA_3}

#zpool add -f data cache ${CACHE_1}
#zpool add -f data cache ${CACHE_2}

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

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