1 2. TEMPLATE – TITLE SLIDE WITH PHOTO Presenters Name Presenters Title Presenters Company Note: This is an optional title slide, following Suns Brand.

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Presentation transcript:

1 2. TEMPLATE – TITLE SLIDE WITH PHOTO Presenters Name Presenters Title Presenters Company Note: This is an optional title slide, following Suns Brand approved photo layout. The image can easily be swapped out and replaced. Additional brand photography can be found at: NEW! Easily Swap Out the Image Технологии Sun Microsystems в библиотеках Наталья Железных Руководитель отдела по работе с Правительственными учреждениями

Sun и библиотеки > Читальные залы > Автоматизированные библиотечные информационные системы > Цифровые библиотеки и архивы > Sun StorageTek 5800 (Honeycomb) > Примеры проектов

Читальные залы Тонкие клиенты SunRay! Тишина и порядок Низкое энергопотребление Простота администрирования Надежность Низкая стоимость владения

Автоматизированные библиотечные информационные системы

Крупнейшие библиотеки используют технологии Sun Australia State Library of Queensland Library of Congress - USA National Library of Scotland National Library of New Zealand Philippine National Library Royal Danish Library Sweden Royal Library Estonian National Library National Library of South Africa Biblioteca Real, Spain Australia State Library of Tasmania Australia State Library of Victoria Singapore National Library Board Russian State Library Germany Staatsbibliotek British Library Welsh National Library Norwegian National Library Dutch National Library (KB) National Library of Australia National Library of Armenia National Library of Austria National Library of Chile National Library of China National Library of the Czech Republic National Library of Finland National Library of Iceland National Library of Israel National Library of Latvia National Library of Liechtenstein National Library of Luxembourg National Library of Mexico National Library of Slovakia National Library of Turkey National Library of France

Референтная архитектура АБИС Веб Управление каталогами, оцифрованными ресурсами, метаданными... Архитектура: Федеративность, Сервисно-Ориентированная Архитектура (СОА) Программное обеспечение: Solaris 10, Sun Cluster, Sun Java Identity Manager, Sun Java Portal Server, Sun Java Composite Application Platform Suite Цифровые репозитарии Архивы & Preservation Приложения Базы данных Системы хранения Доступ к контенту и приложениям

Новые проекты Библиотека Конгресса США > National Audio Visual Conservation Center Национальная библиотека Новой Зеландии > National Digital Heritage Archive > Цель – Architecture Blueprint Национальная библиотека Франции > Национальный архив Национальная библиотека КНР > Инфраструктура Стэндфордский университет Оксфордский университет > Цифровые репозитарии – Google digitization

Технологические тренды Развитие АБИС (Integrated Library Systems) Оцифровка книг и других единиц хранения; цифровые библиотеки Большие проекты по сохранению национального и культурного наследия (Preservation & Archiving) Проекты по сохранению цифрового наследия (Digital Heritage) Кластеризация для обеспечения высокой готовности и избыточности Консолидация серверов и систем хранения Защищенный доступ к ресурсам Федеративные репозитарии

Основные требования Масштабируемость > Простота расширения Высокая готовность и отказоустойчивость > Кластеризация и самовосстановление Целостность данных и их защита > Детектирование ошибок и самовосстановление > Резервное копирование Сервисное обслуживание > Горячая замена компонентов > Отложенный во времени ремонт Поддержка метаданных и программируемость Будущее с точки зрения независимых программных систем > Системы с открытым кодом

Sun StorageTek концепция Объектный подход к хранению данных Задачи управления данными выполняет сама система хранения (Storage Beans) Существенное снижение стоимости владения > Не надо думать про Volume / LUN / RAID... Надежность за счет самовосстановления (self -healing) Горизонтальная масштабируемость - для больших репозитариев (от 16TB – до multi- PB)

STK отказоустойчивость RAIN – Redundant Array of Independent/Inexpensive Nodes Симметричный кластер > HA Database Dual Level 2 switches, clustered Сервисный процессор Удаленный доступ через ServiceConnect

STK 5800 целостность и защита данных Unique Object Ids > Cryptographic Checksum/Hash (SHA-1) Data Placement Algorithm > 10,000 combinations Reed-Solomon RAID6 > Must loose 3 drives to loose data > Must loose drives within 12 hours Ongoing healing services > Bit rot can run but can't hide Result is resilience to multiple hardware failures Backups (DR) with BakBone Data Parity

STK 5800 масштабируемость

The Stanford Digital Repository (SDR) Think about building Stanfords digital stacks. Need a place to keep: - ebooks - data sets - office docs - images - audio, video - etc. …for long-term access, for decades to centuries.

The Challenge of Digital Preservation Obsolescence –Format –Technology Distribution and dissipation Migrations and transitions –People (2 – 20 years) –Software (5 – 10 years) –Hardware (3 – 5 years) Benign neglect doesnt work for digital objects. Preservation requires active, managed care.

SDR Design Objectives & Assumptions Preservation-focused archive Replicated content –(mirroring, geographically distributed) Secure, Auditable Modular (!) Tiered storage environment –(online, nearline, offline) Write once, keep all versions Content-agnostic

Stanford Digital Repository (SDR): content agnostic, preservation repository National Geospatial Digital Archive (NGDA) Geospatial data SUL Digital Bookshelves (Google Books, internally digitized, vendors' e-books) Digital Library Applications (images, mss, media, Special Collections showcases) while specialty archives and applications provide focused digital content collection, access and value-added services Institutional Repository (faculty- and student submitted papers, data, websites, etc.) SDR Serves As Common Preservation Infrastructure

SDR: Core Repository vs. Repository Services

SDR Architecture March 2006 Honeycomb Tape

SDR Physical Topology March 2006 Sun Fire X4100 Server 8 TB of Nexsan SATA Disk Access Service, Access Cache Sun StorEdge L700 Tape Library, with LTO2 drives IBM Tivoli Storage Manager Iron Mountain data protection plan Tape Copies 32 TB Sun Honeycomb Storage SystemOnline storage Sun Fire X4100 Server 4 TB Nexsan SATA Disk Ingest, Storage code, Storage Request Processor Sun Fire X4100 Server 4 TB Nexsan SATA Disk Conversion, Gatekeeper HardwareModule(s)

Why Honeycomb? Modular: Fits into overall architectureno need to redesign our system around storage layer Provides built-in preservation intelligence on top of commodity storage –File distribution –Monitoring –Self healing Cost effective: Gives high reliability (near mirroring) without the 100% overhead –Simplicity: Appliance-like config means low administrative overhead Value add: Potential for storelets to run on Honeycomb CPUs for indexing, mining, etc. Why Tape? Economical: Tape still cheaper than disk per GB. Infinite capacity: No limit to the number of tapes we can write. Mature: Tape is well understood storage mechanism. We have expertise to work with it. Disaster recovery: Allows for multiple copies, stored in many locations. Data protection: Cant accidentally delete data stored offsite, offline. Matches need for access: Much archival content will seldom be accessed.

Управлять большим с меньшими усилиями Экономить время и упрощать подход Sun StorageTek 5800 – это возможность Защищаться от потерь данных

23 2. TEMPLATE – TITLE SLIDE WITH PHOTO Presenters Name Presenters Title Presenters Company Note: This is an optional title slide, following Suns Brand approved photo layout. The image can easily be swapped out and replaced. Additional brand photography can be found at: NEW! Easily Swap Out the Image Технологии Sun Microsystems в библиотеках