Add GPFS storage expansion toolkit

2026-05-05 21:40:46 +00:00
parent c42d8bfb8f
commit 5dd8c34952
11 changed files with 925 additions and 0 deletions
@@ -0,0 +1,78 @@
+#!/usr/bin/env bash
+set -o errexit
+set -o nounset
+set -o pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+# shellcheck source=00_env.sh
+. "$SCRIPT_DIR/00_env.sh"
+
+REPORT_FILE=""
+
+usage() {
+  printf 'Usage: %s --fs <filesystem>\n' "$(basename "$0")"
+}
+
+while [[ "$#" -gt 0 ]]; do
+  case "$1" in
+    --fs) FILESYSTEM="${2:-}"; shift 2 ;;
+    -h|--help) usage; exit 0 ;;
+    *) critical "Unknown argument: $1"; usage; exit 2 ;;
+  esac
+done
+
+if [[ -z "$FILESYSTEM" ]]; then
+  critical "Missing required --fs <filesystem>"
+  usage
+  exit 2
+fi
+
+REPORT_FILE="/tmp/gpfs_extend_report_${FILESYSTEM}_${TIMESTAMP}.txt"
+
+append_section() {
+  local title="$1"
+  shift
+
+  {
+    printf '\n== %s ==\n' "$title"
+    if command -v "$1" >/dev/null 2>&1; then
+      "$@" 2>&1 || printf 'WARNING: command failed: %s\n' "$*"
+    else
+      printf 'WARNING: command not available: %s\n' "$1"
+    fi
+  } >> "$REPORT_FILE"
+}
+
+{
+  printf 'GPFS / Spectrum Scale Filesystem Expansion Report\n'
+  printf 'Hostname: %s\n' "$(hostname 2>/dev/null || printf 'unknown')"
+  printf 'Date: %s\n' "$(date)"
+  printf 'Target filesystem: %s\n' "$FILESYSTEM"
+} > "$REPORT_FILE"
+
+append_section "GPFS daemon state" mmgetstate -a
+append_section "Cluster definition" mmlscluster
+append_section "Managers and quorum" mmlsmgr
+append_section "Target filesystem mount state" mmlsmount "$FILESYSTEM"
+append_section "Target filesystem disks" mmlsdisk "$FILESYSTEM"
+append_section "NSD inventory" mmlsnsd
+append_section "Filesystem capacity" df -h
+
+if command -v mmhealth >/dev/null 2>&1; then
+  append_section "Cluster health" mmhealth cluster show
+else
+  printf '\n== Cluster health ==\nWARNING: mmhealth command not available\n' >> "$REPORT_FILE"
+fi
+
+if command -v journalctl >/dev/null 2>&1; then
+  append_section "Recent GPFS journal entries" journalctl -u 'gpfs*' -n 50 --no-pager
+fi
+
+if command -v dmesg >/dev/null 2>&1; then
+  {
+    printf '\n== Recent kernel messages ==\n'
+    dmesg -T 2>/dev/null | tail -50 || printf 'WARNING: dmesg query failed\n'
+  } >> "$REPORT_FILE"
+fi
+
+ok "Generated report: $REPORT_FILE"