Zfs optimization

ZFS Optimization Get & Set

Get current settings for pool

#!/bin/bash

if [ -z "$1" ]; then
    echo "Usage: $0 <pool_name>"
    exit 1
fi

POOL="$1"

if ! zpool list "$POOL" > /dev/null 2>&1; then
    echo "Error: Pool '$POOL' does not exist."
    exit 1
fi

echo "=== ZFS Pool Alignment ==="
zpool get ashift "$POOL"
echo ""

echo "=== Dataset Optimizations ==="
zfs get recordsize,atime,compression "$POOL"
echo ""

echo "=== TRIM Status ==="
zpool get autotrim "$POOL"
echo ""
zpool status -t "$POOL"

Set optimization

#!/bin/bash

if [ -z "$1" ]; then
    echo "Usage: $0 <pool_name>"
    exit 1
fi

POOL="$1"

if ! zpool list "$POOL" > /dev/null 2>&1; then
    echo "Error: Pool '$POOL' does not exist."
    exit 1
fi

zfs set recordsize=1M "$POOL"
zfs set atime=off "$POOL"
zpool set autotrim=on "$POOL"

echo "Optimization settings applied to pool '$POOL'."