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バックアップ時間の削減と AssuredSnap. アジェンダ. Snapshot レビュー データ保護 RPO vs. RTO バックアップ時間を軽減するには 要点とまとめ. AssuredSnap. RTO vs. RPO vs. 予算 $ とのトレードオフ ひとつの方法が全てを満たすわけではありません …. Recovery Point Objective (RPO) How much data can you afford to lose? Recovery Time Objective (RTO)
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アジェンダ • Snapshot レビュー • データ保護 • RPO vs. RTO • バックアップ時間を軽減するには • 要点とまとめ
AssuredSnap RTO vs. RPO vs. 予算$ とのトレードオフ ひとつの方法が全てを満たすわけではありません… • Recovery Point Objective (RPO) • How much data can you afford to lose? • Recovery Time Objective (RTO) • How long can you afford to be without your data? • Data Classification • How critical is your data? • All data is not created equal • Budget • How much can you afford to spend? Source: Enterprise Storage Group “The Evolution of Data Protection”
Protect against disk drive failure Protect against logical data loss or corruption Protect against full volume or RAID group loss or corruption Protect against local-area disasters Protect against wide-area disasters RAID Snapshots Volume Copy or Split Mirror Synchronous Replication Asynchronous Replication or Remote Snapshot Replication AssuredSnap 何に対して守るのか?
Traditional Tape Backup File share taken offline at 12:00 am Backed up to tape File share brought back online at 12:30 am Corruption occurs at 4:30 pm Previous night’s tape located File share restored from previous night’s backup tape File share back online at 6:00 pm 16 hours of work is lost! Snapshots Snapshot of File Share taken every 2 hours 12 am, 2 am, 4 am, 6 am, 8 am, 10 am, 12 pm, 2 pm, 4 pm, 6 pm, etc. Corruption occurs at 4:30 pm File share restored from the 4:00 pm snapshot File share back online at 4:45 pm 30 minutes of work is lost! データロスの削減 (RPO) リスクの軽減: 売上げ損失とお客様の信用喪失
Traditional Tape Backup File share taken offline at 12:00 am Backed up to tape File share brought back online at 12:30 am Corruption occurs at 4:30 pm Previous night’s tape located File share restored from previous night’s backup tape File share back online at 6:00 pm Data unavailable for 1 ½ hours! Snapshots Snapshot of File Share taken every 2 hours 12 am, 2 am, 4 am, 6 am, 8 am, 10 am, 12 pm, 2 pm, 4 pm, 6 pm, etc. Corruption occurs at 4:30 pm File share restored from the 4:00 pm snapshot File share back online at 4:45 pm Data unavailable for 15 minutes! 復旧時間の改善 (RTO) リスクの軽減: ビジネス機会の損失とお客様の信用喪失
バックアップ時間軽減を駆り立てる理由 • Business • 24-hour customer service • E.g., Help desks • 24-hour business processing • E.g., Sales orders • Customer satisfaction, loyalty and retention • Competitive advantage and financial viability • Operational • 7x24x365 operations • Continuous application availability • Shrinking backup windows
Traditional Tape Backup File share taken offline at 12:00 am Backed up to tape or disk File share brought back online at 12:30 am Application unavailable for 30 minutes! Snapshots Snapshot of File Share taken every 2 hours 12 am, 2 am, 4 am, 6 am, 8 am, 10 am, 12 pm, 2 pm, 4 pm, 6 pm, etc. Application unavailable for < 1 minute! バックアップ時間を減らすには リスクの軽減: アプリケーションの有用性
スナップショットの用途 – バックアップ時間の低減 ダウンタイム”0”でのバックアップ Corporate LAN Exchange Server File Server Database Server Backup Server 2. Mount snapshot to backup server 3. Backup data to tape/disk 1. Take snapshot SAN G: Primary Storage Automated Tape Library
Reduce Backup Windows From hours to seconds Improve Application & Data Availability Reduce Business Impact Customer-facing application availability Risk Mitigation Meeting Backup Windows Application Availability Customer Satisfaction, Loyalty and Retention Lost Business/Lost Revenue Financial Viability AssuredSnapの利点 無視できないビジネスへのインパクト ; オペレーションとファイナンシャル
Follow-on Webinar Series Snapshot Applications • Introduction to Snapshots • Reducing Data Loss and Improving Data Recovery Times • Reducing Backup Windows • Data Management – Offloading Workloads www.dothill.com
Volume 1 1:00 PM 2:00 PM AssuredSnap Questions? Active File System Snapshot 2 Rollback Volume: Volume reverts back To the point in time The snapshot was created Snapshot 1