84 lines
2.2 KiB
Bash
84 lines
2.2 KiB
Bash
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#!/usr/bin/env bash
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set -o errexit
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set -o nounset
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set -o pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck source=00_env.sh
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. "$SCRIPT_DIR/00_env.sh"
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EXCLUDE_MOUNTED=false
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EXCLUDE_EXISTING_NSD=false
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usage() {
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printf 'Usage: %s [--exclude-mounted] [--exclude-existing-nsd]\n' "$(basename "$0")"
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}
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while [[ "$#" -gt 0 ]]; do
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case "$1" in
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--exclude-mounted)
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EXCLUDE_MOUNTED=true
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shift
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;;
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--exclude-existing-nsd)
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EXCLUDE_EXISTING_NSD=true
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shift
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;;
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-h|--help)
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usage
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exit 0
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;;
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*)
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critical "Unknown argument: $1"
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usage
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exit 2
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;;
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esac
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done
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for cmd in lsblk findmnt; do
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require_cmd "$cmd" || exit 2
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done
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warning "Candidate devices are not automatically safe. Confirm every device with the storage and cluster teams before use."
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existing_gpfs_devices=""
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if [[ "$EXCLUDE_EXISTING_NSD" == "true" ]]; then
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if command -v mmlsnsd >/dev/null 2>&1; then
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existing_gpfs_devices="$(mmlsnsd 2>/dev/null || true)"
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elif command -v mmlsdisk >/dev/null 2>&1; then
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existing_gpfs_devices="$(mmlsdisk all 2>/dev/null || true)"
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else
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warning "mmlsnsd and mmlsdisk are unavailable; cannot exclude existing GPFS devices"
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fi
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fi
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section "Block device inventory"
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lsblk -dpno NAME,TYPE,SIZE,MODEL,SERIAL,MOUNTPOINT 2>&1 | tee -a "$LOG_FILE"
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section "Candidate devices"
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found=0
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while read -r name type size model serial mountpoint; do
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[[ "$type" == "disk" ]] || continue
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if [[ "$EXCLUDE_MOUNTED" == "true" ]]; then
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if [[ -n "${mountpoint:-}" ]] || findmnt -rn --source "$name" >/dev/null 2>&1; then
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continue
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fi
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fi
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if [[ "$EXCLUDE_EXISTING_NSD" == "true" ]] && [[ -n "$existing_gpfs_devices" ]]; then
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if printf '%s\n' "$existing_gpfs_devices" | grep -Fq "$name"; then
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continue
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fi
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fi
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printf 'OK: candidate=%s size=%s model=%s serial=%s mountpoint=%s\n' \
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"$name" "${size:-unknown}" "${model:-unknown}" "${serial:-unknown}" "${mountpoint:-none}" | tee -a "$LOG_FILE"
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found=1
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done < <(lsblk -dpno NAME,TYPE,SIZE,MODEL,SERIAL,MOUNTPOINT)
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if [[ "$found" -eq 0 ]]; then
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warning "No candidate devices found with the selected filters"
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fi
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