Files
Varaverk/unRAID Essentials/zfs_memory_snapshot.sh
T

40 lines
1.0 KiB
Bash

#!/bin/bash
set -e
# ----------------------------------------------------------------------------------------------
# --------------------------- ZFS ARC & Memory Snapshot for Unraid -----------------------------
# ----------------------------------------------------------------------------------------------
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "$SCRIPT_DIR/../common.sh"
# Load central config
load_master_conf
# Parse CLI args (supports --dry-run)
parse_args "$@"
# Functions
show_zfs_arc() {
echo "--- ARC / Metadata Stats ---"
grep -iE '^(c|meta|arc_meta_used|demand_metadata_misses|mru_ghost_metadata|mfu_ghost_metadata)' /proc/spl/kstat/zfs/arcstats
}
show_memory_status() {
echo "--- Memory Status ---"
free -h | awk 'NR==1 || /Mem:/'
}
# MAIN
echo "===== ZFS ARC & Memory Snapshot: $(date) ====="
if [ "$DRY_RUN" = true ]; then
echo "[DRY-RUN] Would display ARC and memory stats"
else
echo ""
show_zfs_arc
echo ""
show_memory_status
fi
echo "=============================================="