Disk configuration for 'discernment'

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For more info see 'discernment'.

nvme0n1 (1TB)
PNY21242106180100094
nvme0n1p1 (10GB)
data:cache
nvme0n1p2 (150GB)
md0
nvme0n1p3 (820GB)
fast
nvme1n1 (1TB)
PNY21242106180100093
nvme1n1p1 (10GB)
data:cache
nvme1n1p2 (150GB)
md0
nvme1n1p3 (820GB)
fast
sda (750GB)
WD-WX81A43N0219
sda1 (750GB)
/boot
sdb (4TB)
K7GNY0ML
data
sdc (4TB)
VBG5BA1R
data
sdd (4TB)
K4K6MJ9B
data
Device Drive Model Commissioned Sequential Random WRL Temp °C Data Sheet
nvme[02]n1 PNY CS3140 1TB NVMe Gen4 SSD M.2 M280CS3140-1TB-RB 2022-03-23 2,344 MB/s 123 MB/s 700TBW 0°C to 70°C download
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

fstab

Device Capacity File-system Mount
sda1 750GB ext4 /boot
md0p1 150GB ext4 /

ZFS zpools

Pool RAID Capacity Compression Dedup
fast RAID1 780GB 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/session /var/log/session
data /data

Commands

Initial setup on 2023-12-31

#!/bin/bash

set -euo pipefail;
shopt -s dotglob;

FAST_1=/dev/disk/by-id/nvme-PNY_CS3140_1TB_SSD_PNY21242106180100094_1-part3
FAST_2=/dev/disk/by-id/nvme-PNY_CS3140_1TB_SSD_PNY21242106180100093_1-part3

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

CACHE_1=/dev/disk/by-id/nvme-PNY_CS3140_1TB_SSD_PNY21242106180100094_1-part1
CACHE_2=/dev/disk/by-id/nvme-PNY_CS3140_1TB_SSD_PNY21242106180100093_1-part1

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

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

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