Disk configuration for 'trust'

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

This server is from the before time. It was a bare metal server, but it got virtualized. This hardware was salvaged for other computers, such as orac.

sda (120GB)
sda1 (512M)
boot
sda2 (42G)
/
sda3 (66G)
data:cache
sda4 (4G)
swap
sdb (3TB)
data
sdc (3TB)
data
sdd (3TB)
data
sde (4TB)
airgap
Device Drive Sequential Random WRL
sda WD Green 120GB SSD 205 MB/s 35 MB/s 40 TBW
sdb Seagate NAS HDD 3TB 5900rpm 119 MB/s 1 MB/s 180 TB/yr
sdc Seagate Constellation ES.2 3TB 7200rpm 113 MB/s 1 MB/s unknown
sdd WD Red 3TB 5400rpm 106 MB/s 1 MB/s 180 TB/yr
sde WD Red Pro 4TB 7200rpm 160 MB/s 2 MB/s 300 TB/yr

ext4

Device Capacity Mount
sda2 42GB /
sde1 4TB /airgap

ZFS zpools

Note: we don't have separate log devices for /data because we don't want to wear out the SSD. /data can write its logs to the magnetic disks, that's fine.

Pool RAID Capacity Compression Dedup
data RAIDZ 6TB lz4 on

ZFS datasets

These are the datasets we create on our zpools.

Dataset Mount
data /data
data/host /data/host

Commands