Mateusz Suski
59 lines
1.5 KiB
Bash
Executable File
59 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo 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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BACKGROUND=false
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usage() {
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printf 'Usage: %s --fs <filesystem> [--execute] [--background]\n' "$(basename "$0")"
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}
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while [[ "$#" -gt 0 ]]; do
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case "$1" in
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--fs) FILESYSTEM="${2:-}"; shift 2 ;;
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--execute) DRY_RUN=false; shift ;;
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--background) BACKGROUND=true; shift ;;
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-h|--help) usage; exit 0 ;;
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*) critical "Unknown argument: $1"; usage; exit 2 ;;
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esac
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done
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if [[ -z "$FILESYSTEM" ]]; then
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critical "Missing required --fs <filesystem>"
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usage
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exit 2
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fi
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for cmd in mmlsdisk mmrestripefs; do
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require_cmd "$cmd" || exit 2
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done
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warning "Restripe/rebalance can be I/O intensive. Run only in an approved change window."
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section "Current disk balance"
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mmlsdisk "$FILESYSTEM" 2>&1 | tee -a "$LOG_FILE" || warning "Unable to show current disk state"
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section "Planned rebalance"
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if [[ "$BACKGROUND" == "true" ]]; then
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if [[ "$DRY_RUN" == "true" ]]; then
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ok "DRY-RUN: mmrestripefs $FILESYSTEM -b &"
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else
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confirm_execute "background restripe for $FILESYSTEM"
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ok "RUN: mmrestripefs $FILESYSTEM -b &"
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mmrestripefs "$FILESYSTEM" -b 2>&1 | tee -a "$LOG_FILE" &
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fi
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else
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if [[ "$DRY_RUN" == "true" ]]; then
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ok "DRY-RUN: mmrestripefs $FILESYSTEM -b"
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else
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warning "EXECUTE: mmrestripefs $FILESYSTEM -b"
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fi
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confirm_execute "restripe for $FILESYSTEM"
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if [[ "$DRY_RUN" == "false" ]]; then
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run_cmd mmrestripefs "$FILESYSTEM" -b
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fi
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fi
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