Add Veritas VxVM and VCS storage expansion toolkit

2026-05-05 21:40:09 +00:00
parent 9fb291f834
commit c42d8bfb8f
11 changed files with 937 additions and 0 deletions
@@ -0,0 +1,81 @@
+#!/usr/bin/env bash
+set -o errexit
+set -o nounset
+set -o pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+# shellcheck source=00_env.sh
+source "$SCRIPT_DIR/00_env.sh"
+
+parse_common_args "$@"
+require_inputs dg vol mount size
+
+missing=0
+for cmd in vxdg vxprint vxassist df findmnt; do
+  require_cmd "$cmd" || missing=1
+done
+
+if (( missing != 0 )); then
+  exit 2
+fi
+
+if [[ ! "$SIZE" =~ ^\+[0-9]+[KkMmGgTtPp]?$ ]]; then
+  critical "invalid --size '$SIZE'; use a grow-by value such as +10G"
+  exit 2
+fi
+
+status=0
+vxdg list "$DISKGROUP" >/dev/null 2>&1 || { critical "diskgroup not found: $DISKGROUP"; status=1; }
+vxprint -g "$DISKGROUP" "$VOLUME" >/dev/null 2>&1 || { critical "volume not found: $VOLUME"; status=1; }
+findmnt --target "$MOUNTPOINT" >/dev/null 2>&1 || { critical "mountpoint is not mounted: $MOUNTPOINT"; status=1; }
+
+if (( status != 0 )); then
+  exit 1
+fi
+
+fs_type="$(findmnt --noheadings --output FSTYPE --target "$MOUNTPOINT" | awk 'NR == 1 {print $1}')"
+device="$(findmnt --noheadings --output SOURCE --target "$MOUNTPOINT" | awk 'NR == 1 {print $1}')"
+ok "filesystem type: ${fs_type:-unknown}"
+ok "mounted device: ${device:-unknown}"
+
+capture_cmd "Filesystem usage before expansion" df -h "$MOUNTPOINT"
+capture_cmd "VxVM layout before volume expansion" vxprint -g "$DISKGROUP" -ht
+
+confirm_execute "This will grow VxVM volume '$VOLUME' in diskgroup '$DISKGROUP' by '$SIZE'."
+run_cmd "Grow VxVM volume by requested size" vxassist -g "$DISKGROUP" growby "$VOLUME" "$SIZE"
+
+case "$fs_type" in
+  vxfs)
+    warning "VxFS fsadm syntax can vary by Veritas release and site standard"
+    warning "manual filesystem resize recommended after volume growth; review a command such as: fsadm -F vxfs -b <new_size_or_supported_option> $MOUNTPOINT"
+    ;;
+  xfs)
+    if has_cmd xfs_growfs; then
+      run_cmd "Resize XFS filesystem online" xfs_growfs "$MOUNTPOINT"
+    else
+      critical "xfs_growfs not found; cannot resize XFS safely"
+      exit 1
+    fi
+    ;;
+  ext3|ext4)
+    if has_cmd resize2fs; then
+      if [[ -n "$device" ]]; then
+        run_cmd "Resize ext filesystem" resize2fs "$device"
+      else
+        critical "unable to detect mounted device for resize2fs"
+        exit 1
+      fi
+    else
+      critical "resize2fs not found; cannot resize ext filesystem safely"
+      exit 1
+    fi
+    ;;
+  *)
+    warning "unsupported or unknown filesystem type '$fs_type'; volume growth command was handled according to dry-run/execute mode"
+    warning "manual filesystem resize required after confirming platform-specific procedure"
+    ;;
+esac
+
+capture_cmd "Filesystem usage after expansion attempt" df -h "$MOUNTPOINT"
+capture_cmd "VxVM layout after volume expansion attempt" vxprint -g "$DISKGROUP" -ht
+ok "volume and filesystem expansion step completed"