A refquota on a pool's root dataset caps its avail by the root's own
referenced data, so used+avail can understate pool capacity when child
datasets hold most of the data and trigger false disk usage alerts.
Fetch refquota with the root datasets and fall back to the raw zpool
figures for those pools.
The pool overview used `zpool list`, whose size and alloc count raw vdev
space. On raidz that includes parity, so a TrueNAS pool with 65 TB usable
showed 98 TB capacity, while the details page (root dataset) matched TrueNAS.
Take Size, Alloc and Free from the pool's root dataset (used+avail), the same
way Btrfs reports effective capacity. If the root dataset cannot be read, keep
the raw figures and set Raw so the UI labels them as raw usage.
Fixes#2539
- track pool capacity, health, I/O, scrub status, and vdev errors
- report dataset usage and correct ZFS filesystem metrics
- add pool charts, detail views, refresh controls, and health alerts
- persist pool details and include ZFS usage in disk alerts
- support configurable detail intervals and legacy agent compatibility
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Co-authored-by: hank <hank@henrygd.me>
henrygd
kenny-ishandGitHub
