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Snapshot And Backup, Snapshot in Linux (Enterprise Level) - Coggle Diagram

- - - - Copy of data to recover from accidental deletion, corruption, hardware failure, ransomware, or disaster.
    - - Data Availability
      - Business Continuity
      - Disaster Recovery
      - Compliance
      - Data Integrity
    - - Backup
      - Restore
      - Recovery Point Objective (RPO)
      - Recovery Time Objective (RTO)
      - Retention Policy
      - Backup Window
      - Recovery Window
  - - - Ransomware
      - Malware
  - - - Copies all data
      - Easy restore
      - Large storage requirement
    - - Copies changes since last backup
      - Small backup size
      - Fast backup
      - Slower restore
    - - Copies changes since last full backup
      - Medium storage
      - Faster restore than incremental
    - - Exact copy
      - No version history
    - - Filesystem snapshot
      - Fast recovery
      - Common in enterprise storage
    - - Entire disk or partition
      - Operating System recovery
    - - Recover complete server including OS
  - - - 3 Copies of data
      - 2 Different storage media
      - 1 Offsite copy
    - - One immutable copy
      - Zero verification errors
    - - Hourly
      - Daily
      - Weekly
      - Monthly
      - Yearly
    - - 7 Days
      - 30 Days
      - 90 Days
      - 1 Year
      - 7 Years
    - - Full every Sunday
      - Incremental every day
      - Monthly archive
    - - Restore testing
      - Checksum validation
      - Log verification
  - - - NAS
      - SAN
      - Object Storage
      - Tape Library
      - Cloud Storage
  - - - File synchronization
      - Incremental copy
      - Network backup
      - SSH support
      - Command
        
        rsync -avh /data backup@server:/backup
    - - Archive files
      - Compression
      - Command
        
        tar -czf backup.tar.gz /data
      - Extract
        
        tar -xzf backup.tar.gz
    - - Simple local backup
    - - Disk image backup
      - Command
        
        dd if=/dev/sda of=/backup/disk.img bs=64K status=progress
    - - Filesystem backup
    - - Restore dump backup
    - - Deduplication
      - Encryption
    - - Cloud backup
      - Encryption
    - - Enterprise backup solution
    - - Network backup
    - - Enterprise centralized backup
    - - Encrypted remote backup
    - - Disk cloning
  - - - System configuration
    - - User data
    - - Logs
      - Databases
      - Mail
    - - Applications
    - - Service data
    - - Root user files
    - - MySQL
      - PostgreSQL
      - MariaDB
  - - - tar -czf backup.tar.gz /etc
    - - rsync -avh /home backup@server:/backup
    - - dd if=/dev/sda of=/backup/server.img
    - - gzip file
    - - bzip2 file
    - - xz file
  - - - Save storage
      - Faster transfer
  - - - crontab -e
  - - - AWS S3
      - Azure Blob
      - Google Cloud Storage
    - - MinIO
  - - - 100 Linux Servers
      - Central Backup Server
      - NAS Storage
      - Cloud Storage
    - - Full Backup every Sunday
      - Incremental Backup every night
      - Monthly Archive
      - One Offsite Copy
    - - rsync over SSH
      - Cron Scheduler
      - Email Notification
      - Log Monitoring
    - - SSH Keys
      - Encryption
      - Immutable Storage
    - - Weekly Restore Test
      - Checksum Validation
      - Audit Reports