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#!/bin/bash
set -e

DISK_PART="/dev/sdb1"
MOUNT_POINT="/mnt/minio"

echo "=== MinIO disk setup starting ==="

# 1. Ensure mount directory exists
mkdir -p ${MOUNT_POINT}

# 2. Check filesystem on /dev/sdb1
FS_TYPE=$(blkid -o value -s TYPE ${DISK_PART} || true)

if [ -z "$FS_TYPE" ]; then
    echo "No filesystem found on ${DISK_PART}. Formatting as XFS..."
    mkfs.xfs -f ${DISK_PART}
else
    echo "${DISK_PART} already formatted as ${FS_TYPE}"
fi

# 3. Get UUID
UUID=$(blkid -o value -s UUID ${DISK_PART})

if [ -z "$UUID" ]; then
    echo "ERROR: Unable to retrieve UUID for ${DISK_PART}"
    exit 1
fi

# 4. Add to /etc/fstab if not already present
if ! grep -q "${UUID}" /etc/fstab; then
    echo "Adding ${DISK_PART} to /etc/fstab"
    echo "UUID=${UUID} ${MOUNT_POINT} xfs defaults,noatime 0 2" >> /etc/fstab
else
    echo "fstab entry already exists"
fi

# 5. Mount
mountpoint -q ${MOUNT_POINT} || mount ${MOUNT_POINT}

# 6. Validate
df -h | grep ${MOUNT_POINT}

echo "=== MinIO disk setup completed successfully ==="
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