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Home
Overview
Overview
- Introduction
- Common Use Cases
- Getting Started
- Tape Infrastructure
  Tape Infrastructure
  - Tape Media
    Tape Media
    
    Overview
    
    Tape Labels
    
    CTA Tape Format
  - Tape Drives
  - Tape Servers
  - Tape Libraries
- CTA Architecture
  CTA Architecture
  - Requirements
  - Design Philosophy
  - Components
    Components
    
    Disk Buffer
    Disk Buffer
    
    EOS
    
    dCache
    
    CTA Frontend
    CTA Frontend
    
    gRPC Frontend
    
    XRootD Frontend
    
    CTA Catalogue
    
    Scheduler
    
    CTA Tape Daemon
  - File Lifecycle
    File Lifecycle
    
    Introduction
    
    Archival
    
    Retrieval
    
    Deletion
  - Tape Lifecycle
  - Security
Operations
Operations
- Introduction
- Deployment
  Deployment
  - Installation
  - Verifying the Installation
  - Configuration
    Configuration
    
    cta-taped
    
    cta-frontend
    
    cta-rmcd
    
    cta-fst-gcd
- Basic System Health Checks
- Monitoring
- Tools
  Tools
  - cta-admin
  - cta-change-storage-class
  - cta-eos-namespace-inject
  - cta-restore-deleted-files
  - cta-statistics-save
  - cta-statistics-update
  - Catalogue
    Catalogue
    
    cta-catalogue-set-production
    
    cta-catalogue-schema-verify
    
    cta-catalogue-schema-drop
  - Operator Utilities
    Operator Utilities
    
    Overview
    
    ATRESYS
    
    CTA Ops Admin
    
    CTA Operations Drive Config Generate
    
    CTA Ops EOS
    
    CTA Utils
    
    CTA Tape Pool Supply
    
    CTA Tape Admin
    
    CTA Tape Verify
    
    CTA Ops Drive Environmentals
    
    CTA Ops Data Monitoring
- Procedures
  Procedures
  - Maintenance
  - Upgrading CTA
  - Upgrading CTA Catalogue schema
    Upgrading CTA Catalogue schema
    
    Introduction
    
    Automated procedure
    
    Manual procedure
  - Upgrading EOS
  - Hardware Installation
  - Hardware Replacement
  - Emergencies
- Troubleshooting
Development
Development
- Introduction
- Contributing
  Contributing
- Building CTA
  Building CTA
  - CMake Overview
- Development Setup
- Development Commands
- Debugging
  Debugging
  - Useful Commands for Testing
- Continuous Integration
  Continuous Integration
- Architecture
  Architecture
  - Components
    Components
    
    Scheduler
    
    Protobuf
    
    Catalogue
    Catalogue
    
    Introduction
    
    Description
    
    Modifying the schema
    Modifying the schema
    
    Introduction
    
    Creating a new schema version
    
    Naming conventions
    
    Backwards-compatible schema updates
    
    Backwards-incompatible schema updates
    
    Create the Liquibase changelog file
    
    Tape Daemon
  - Workflows
    Workflows
    
    Introduction
    
    Archival
    
    Retrieval
    
    Repack
    
    Deletion
    
    Scheduling
    
    Garbage Collection
  - Roadmap
    Roadmap
    
    Scheduler Backend
⚠️ Deprecated
⚠️ Deprecated
- CTA Design
  CTA Design
  - Design Constraints
  - Questions and Answers
- Software Development
  Software Development
- Deployment Guide
  Deployment Guide
  - Introduction
  - Build CTA
  - Native server installation
    Native server installation
    
    Install CTA
    
    Configure CTA
    
    Start CTA
    
    Install EOS
    
    Install mhVTL
  - Containerised installation
    Containerised installation
    
    Verify the CTA installation
    
    CTA Frontend in a Docker container
    
    Building EOS (for developers)
    
    Running with Postgres
  - CTA Continuous Integration
  - Updating the EOS version used by CTA in the CI
  - Public RPMs installation instructions
  - Configure multiple tape libraries in CTA
- File Lifecycle
  File Lifecycle
- Database
  Database
  - Protecting the Production DB
  - How to drop an Oracle database account
- CTA Catalogue Schema
  CTA Catalogue Schema
  - Introduction
  - Updating the schema
    Updating the schema
    
    Introduction
    
    Creating a new schema version
    
    Naming conventions
    
    Backwards-compatible schema updates
    
    Backwards-incompatible schema updates
    
    Create the Liquibase changelog file
  - Upgrading the schema
    Upgrading the schema
    
    Introduction
    
    Automated upgrade
    
    Manual upgrade
  - Tools
    Tools
    
    Introduction
    
    cta-catalogue-schema-verify
    
    Liquibase
- CTA statistics
  CTA statistics
- Queues and Scheduling
  Queues and Scheduling
- Authentication and Security
  Authentication and Security
  - Authentication
  - Security
- RAO
  RAO
- Tape Infrastructure
  Tape Infrastructure
  - Drives
    Drives
    
    Drive Dedications
    
    Tape in Drive Check
    
    Tape Drive Status Diagram
  - Libraries
    Libraries
    
    SpectraLogic
  - Tapes
    Tapes
    
    Disabled Tapes
    
    Media Types
    
    Tape lifecycle
    
    Tape Verification
    
    Tape Format
- EOS
  EOS
  - EOS-CTA Protocol
  - EOS converters and file identifiers
  - EOS failure statistics
  - EOS operations procedures
  - EOS disk file repairs
  - EOS rate limiter
    EOS rate limiter
    
    Introduction
    
    Currently deployed rate limits
    
    Implementation
  - EOS spaces versus disk storage layouts
  - EOS tape replicas
  - EOS disk layout CGI
  - EOSCTA failure modes
    EOSCTA failure modes
    
    Introduction
    
    File system off
    
    Lost disk replica
    
    Too big disk replica
    
    Too small disk replica
    
    Truncated disk replica
    
    Wrong checksum disk replica
  - EOSCTALICE instance
  - FST garbage collector
    FST garbage collector
    
    Introduction
    
    Implementation
    
    EOS space discussions
    
    Current deployment on eosctacmspps
    
    EOS MGM query rates
    
    C++ versus Python
    
    Use cases
  - The EOS namespace is the master
  - Tape REST API
- CASTOR
  CASTOR
  - CASTOR tape scheduling responsibilities

Deprecated

This page is deprecated and may contain information that is no longer up to date.

Rucio Integration¶

Tape Metadata Discussion Document

July 24, 2024 July 24, 2024

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