Disk configuration for 'companion'

home | airgap | charisma | trail | commitment | discernment | lore

For more info see 'companion'.

sde (1TB)
TBA
/boot/efi
md0 (1GB)
md1 (50GB)
best (100GB)
fast (700GB)
sdf (1TB)
TBA
/boot/efi
md0 (1GB)
md1 (50GB)
best (100GB)
fast (700GB)
sdg (1TB)
TBA
/boot/efi
md0 (1GB)
md1 (50GB)
best (100GB)
fast (700GB)
sdh (1TB)
TBA
/boot/efi
md0 (1GB)
md1 (50GB)
best (100GB)
fast (700GB)
sda (4TB)
V6GGTPKS
data
sdb (4TB)
V1JBN0GH
data
sdc (4TB)
V6H42DES
data
sdd (4TB)
V6GGRKVS
data
nvme0n1 (500GB)
184634801586
data:cache
Device Drive Model Commissioned Sequential Random WRL Temp °C Data Sheet
nvme0n1 WD Black 500GB NVMe SSD WDS500G2X0C-00L350 2019-03-11 1,469 MB/s 84 MB/s 300 TBW 0°C to 70°C download
sd[abcd] WD Ultrastar 4TB * HGST HUS726T4TALA6L4 2019-03-11 140 MB/s 2 MB/s 550TB/yr 5°C to 60°C download
sd[efgh] WD Blue SA510 1TB M.2 SATA SSD WDS100T3B0B TBA 369 MB/s 41 MB/s 400 TBW 0°C to 70°C download

MD RAID

Note: all MD RAID devices are used with a single partition.

Device RAID Components Capacity
/dev/md0 RAID10 4x 1GB 2GB
/dev/md1 RAID10 4x 50GB 100GB

fstab

Partition Capacity File-system Mount point Mount options
/dev/md0p1 2GB ext4 /boot noatime
/dev/md1p1 100GB btrfs / noatime

ZFS zpools

Pool RAID Capacity Compression Dedup
best RAID0 400GB off off
fast RAID10 1.5TB lz4 on
data RAIDZ 12TB zstd on

ZFS datasets

These are the datasets we create on our zpools.

Dataset Mount Compression Dedup
best/temp /temp off off
best/scratch /best/scratch off off
best/stash /best/stash zstd on
fast /fast lz4 on
fast/home /home lz4 on
fast/home/jj5 /home/jj5 lz4 on
fast/mysql /var/lib/mysql lz4 off
fast/session /var/log/session zstd off
fast/vbox /fast/vbox lz4 on
data /data zstd on
data/archive /data/archive zstd on
data/backup /data/backup zstd on
data/blob /data/blob zstd on
data/host /data/host zstd on
data/image /data/image zstd on
data/share /data/share zstd on
data/extract /temp/extract zstd on
data/rubbish /temp/rubbish zstd on

Commands

Initial setup on 2023-01-21

#!/bin/bash

set -euo pipefail;

FAST_DISK_1=/dev/disk/by-id/
FAST_DISK_2=/dev/disk/by-id/
FAST_DISK_3=/dev/disk/by-id/
FAST_DISK_4=/dev/disk/by-id/

DATA_DISK_1=/dev/disk/by-id/scsi-SATA_HGST_HUS726T4TAL_V6GGTPKS
DATA_DISK_2=/dev/disk/by-id/scsi-SATA_HGST_HUS726T4TAL_V1JBN0GH
DATA_DISK_3=/dev/disk/by-id/scsi-SATA_HGST_HUS726T4TAL_V6H42DES
DATA_DISK_4=/dev/disk/by-id/scsi-SATA_HGST_HUS726T4TAL_V6GGRKVS

DATA_CACHE=/dev/disk/by-id/nvme-WDS500G2X0C-00L350_184634801586

apt install zfsutils-linux

zpool create -f \
    -o autotrim=on \
    -O acltype=posixacl -O compression=off \
    -O dnodesize=auto -O normalization=formD -O atime=off -O dedup=off \
    -O xattr=sa \
    best "${FAST_DISK_1}-part4" "${FAST_DISK_2}-part4" "${FAST_DISK_3}-part4" "${FAST_DISK_4}-part4"

zpool create -f \
    -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 "${FAST_DISK_1}-part5" "${FAST_DISK_2}-part5" mirror "${FAST_DISK_3}-part5" "${FAST_DISK_4}-part5"

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} ${DATA_DISK_2} ${DATA_DISK_3} ${DATA_DISK_4}

zpool add data cache ${DATA_CACHE}

zfs create best/temp
zfs set mountpoint=/temp best/temp
zfs create best/scratch
zfs create best/stash
zfs set dedup=on best/stash
zfs set compression=zstd best/stash

zfs create fast/home
zfs create fast/home/jj5
zfs create fast/mysql
zfs set dedup=off fast/mysql
zfs set mountpoint=/var/lib/mysql fast/mysql
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 fast/vbox

zfs create data/archive
zfs create data/backup
zfs create data/blob
zfs create data/copy
zfs create data/host
zfs create data/image
zfs create data/restore
zfs create data/share
zfs create data/extract
zfs set mountpoint=/temp/extract data/extract
zfs create data/rubbish
zfs set mountpoint=/temp/rubbish data/rubbish

mv /home /home.bak
zfs set mountpoint=/home fast/home
chown jj5:jj5 /home/jj5
shopt -s dotglob;
mv /home.bak/jj5/* /home/jj5/
rmdir /home.bak/jj5
rmdir /home.bak