Disk configuration for 'trick'

For more info see 'trick'.

nvme0n1 (1TB)
S3ETNX0HC08620Y
best

sda (512G)
S2BENWAJ207761X

sda1 (1G)
/boot/efi

sda2 (2G)
md0

sda3 (100G)
md1

sda4 (400G)
fast

sdb (512G)
S2BENWAJ207751D

sdb1 (1G)
/boot/efi

sdb2 (2G)
md0

sdb3 (100G)
md1

sdb4 (400G)
fast

sdc (6TB)
ZA16N4ZH
data

sdd (6TB)
ZR14L0LE
data

sde (6TB)
WSB076SN
data

Device	Drive	Model	Commissioned	Sequential	Random	WRL	Temp °C	Data Sheet
nvme0n1	Samsung 960 EVO NVMe M.2 SSD 1TB	Samsung SSD 960 EVO 1TB	2017-04-18	1,276 MB/s	80 MB/s	400 TBW	0°C to 70°C	online
sd[ab]	Samsung 850 PRO SATA III 2.5inch SSD	Samsung SSD 850 PRO 512GB	2017-04-18	407 MB/s	57 MB/s	150 TBW	0°C to 70°C	online
sdc	Seagate IronWolf 6TB	ST6000VN0041-2EL11C	2017-04-18	186 MB/s	2 MB/s	180 TB/yr	5°C to 70°C	download
sdd	Seagate IronWolf 6TB	ST6000VN001	2023-02-21	186 MB/s	2 MB/s	180 TB/yr	5°C to 70°C	download
sde	Seagate BarraCuda Compute 6TB	ST6000DM003-2CY186	2022-09-16	102 MB/s	2.29 MB/s	55 TB/yr	0°C to 60°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 100GB	100GB

Mounts

Partition	Capacity	File-system	Mount point	Mount options
/dev/sda1	1GB	vfat	/boot/efi	defaults
/dev/md0p1	2GB	ext4	/boot	noatime
/dev/md1p1	100GB	btrfs	/	noatime

ZFS zpools

Pool	RAID	Components	Capacity
best	RAID0	1x 1TB	1TB
fast	RAID1	2x 377GB	377GB
data	RAID0	2x 6TB	12TB

ZFS datasets

These are the datasets we create on our zpools.

Dataset	Mount	Compression	Dedup
best	/best	off	off
best/hold	/best/hold	zstd	on
best/mysql	/var/lib/mysql	lz4	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/backup	/data/backup	zstd	on
data/copy	/data/copy	zstd	on
data/host	/data/host	zstd	on
data/restore	/data/restore	zstd	on

Commands

#!/bin/bash

set -euo pipefail;

DISK1=/dev/disk/by-id/nvme-Samsung_SSD_960_EVO_1TB_S3ETNX0HC08620Y

DISK2A=/dev/disk/by-id/ata-Samsung_SSD_850_PRO_512GB_S2BENWAJ207751D
DISK2B=/dev/disk/by-id/ata-Samsung_SSD_850_PRO_512GB_S2BENWAJ207761X

#DISK3A=/dev/disk/by-id/scsi-SATA_ST6000DM003-2CY1_WSB076SN
#DISK3B=/dev/disk/by-id/scsi-SATA_ST6000VN0041-2EL_ZA16N4ZH
DISK3A=/dev/disk/by-id/ata-ST6000VN0041-2EL11C_ZA16N4ZH
DISK3B=/dev/disk/by-id/ata-ST6000VN001-2BB186_ZR14L0LE
DISK3C=/dev/disk/by-id/ata-ST6000DM003-2CY186_WSB076SN

DATA_CACHE=/dev/disk/by-id/ata-WDC_WDS250G2B0B-00YS70_182481804949

apt install zfsutils-linux

zpool create -f \
    -o ashift=12 -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 ${DISK1}

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 ${DISK2A}-part4 ${DISK2B}-part4

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 ${DISK3A} ${DISK3B} ${DISK3C}

zpool add data cache ${DATA_CACHE}

zfs create best/mysql
zfs set compression=lz4 best/mysql
zfs set mountpoint=/var/lib/mysql best/mysql
zfs create best/hold
zfs set dedup=on best/hold
zfs set compression=zstd best/hold
zfs create best/scratch
zfs set dedup=off best/scratch
zfs set compression=off best/scratch

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/backup
zfs create data/copy
zfs create data/host
zfs create data/restore

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