PKI Hub installations require the following disks.
Main disk
You need a main disk with the following requirements.
Setting | Required value |
|---|---|
Size | 1 TiB or more |
Storage type | SSD (Solid-state Drive) |
Additional disk
The etcd daemon requires a dedicated disk with the following requirements.
Setting | Required value |
|---|---|
Size | 15 GiB or more |
Storage type | SSD (Solid-state Drive) |
fsync latency | As explained in the etcd documentation, the p99 percentile of the wal_fsync_duration_seconds duration should be less than 10ms to confirm the disk is reasonably fast for production workloads. |
IOPS (input/output operations per second) | 50 or more sequential write operations per second. |