Disk configuration for 'commitment'

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

For more info see 'commitment'.

sda (4TB)
V6GGTPKS
data
sdb (4TB)
V6H42DES
data
sdc (4TB)
V1JBN0GH
data
sdd (4TB)
V6GGRKVS
data
sde (500G)
184220A00B57
fast (500GB)
sdh (500G)
184301A00645
fast (500GB)
sdf (250GB)
184301A00645
/boot/efi
md0 (2GB)
swap (10GB)
md1 (150GB)
data:cache (80GB)
sdg (250GB)
182481801165
/boot/efi
md0 (2GB)
swap (10GB)
md1 (150GB)
data:cache (80GB)
nvme0n1 (500GB)
184634801586
best (500GB)
Device Drive Model Commissioned Sequential Random WRL Temp °C Data Sheet
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[eh] 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
sd[fg] 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
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

MD RAID

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

Device RAID Components Capacity
/dev/md0 RAID1 2x 2GB 2GB
/dev/md1 RAID1 2x 150GB 150GB

Mounts

Partition Capacity File-system Mount point Mount options
/dev/sde1 1GB EFI System /boot/efi defaults
/dev/md0p1 2GB ext4 /boot noatime
/dev/md1p1 150GB ext4 / noatime

ZFS zpools

Pool RAID Capacity Compression Dedup
best RAID0 464GB off off
fast RAID1 464GB lz4 on
data RAIDZ 14.5TB zstd on

ZFS datasets

These are the datasets we create on our zpools.

Dataset Mount Compression Dedup
best /best off off
fast /fast lz4 on
fast/home /home lz4 on
fast/home/jj5 /home/jj5 lz4 on
fast/session /var/log/session zstd off
data /data zstd on
data/archive /data/archive zstd on
data/backup /data/backup zstd on
data/blob /data/blob zstd on
data/copy /data/copy zstd on
data/database /data/database off off
data/host /data/host zstd on
data/image /data/image off off
data/share /data/share zstd on

Commands

Initial setup

#!/bin/bash

set -euo pipefail;

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

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/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_1=/dev/disk/by-id/ata-WDC_WDS250G2B0B-00YS70_182481801165-part5
DATA_CACHE_2=/dev/disk/by-id/ata-WDC_WDS250G2B0B-00YS70_182481804949-part5

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 "${BEST_DISK}"

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 "${FAST_DISK_1}" "${FAST_DISK_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_DISK_1} ${DATA_DISK_2} ${DATA_DISK_3} ${DATA_DISK_4}

zpool add data cache ${DATA_CACHE_1}
zpool add data cache ${DATA_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

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/share

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