Disk configuration for 'happiness'

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For more info see 'happiness'.

nvme0n1 (500GB)
nvme0n1p1 (40GB)
/
nvme0n1p2 (450GB)
data:cache
nvme0n1p3 (1GB)
efi
nvme0n1p4 (9GB)
swap
sda (10TB)
data
sdb (10TB)
data
sdc (10TB)
data
sdd (10TB)
data
Device Drive Model Commissioned Sequential Random WRL
nvme0n1 WD Black 500GB NVMe SSD 1,469 MB/s 84 MB/s 300 TBW
sd[abcd] WD Purple 10TB 181 MB/s 4 MB/s 360TB/yr

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 RAID10 20TB lz4 on

ZFS datasets

These are the datasets we create on our zpools.

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

Commands