Disk configuration for 'compassion'

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


For more info see 'compassion'.

sda (120GB)
sda1 (1M)
boot
sda2 (100G)
/
sda3 (20G)
data:cache
sdb (3TB)
data
sdc (3TB)
data
sdd (3TB)
data
Device Drive Model Commissioned Sequential Random WRL Temp °C Data Sheet
sda WD Green 120GB SSD WDC WDS120G1G0A-00SS50 2017? 205 MB/s 35 MB/s 40 TBW 0°C to 70°C download
sdb Seagate Constellation ES 3TB 7000rpm ST33000650NS 2014-06-20 113 MB/s 1 MB/s unknown 5°C to 60°C download
sdc Seagate NAS HDD 3TB 5900rpm ST3000VN000-1H4167 2014? 119 MB/s 1 MB/s 180 TB/yr 0°C to 70°C download
sdd WD Red 3TB 5400rpm WDC WD30EFRX-68EUZN0 2014? 106 MB/s 1 MB/s 180 TB/yr 0°C to 60°C download

ext4

Device Capacity Mount
sda2 100GB /
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/home /home
data/home/jj5 /home/jj5
data/srv /srv
data/backups /var/backups
data/git /var/git
data/mailman /var/lib/mailman
data/mysql /var/lib/mysql
data/state /var/state
data/svn /var/svn
data/vmail /var/vmail
data/www /var/www

Commands