Block Storage

Storage for Large Data Processing and DB Workload

Block Storage stores data in fixed-size blocks of pre-determined arrays and assigns directly to servers. This highly available storage service is suitable for application environments that require high capacity data, such as database and email servers. High performance storage is available depending on the required level of performance. Backup policy with redundancy and failure recovery system enable reliable service without any data losses.

Overview

  • Large Volume Storage

    Up to 100GB of volume is provided in the basic OS space, which can be created or expanded online up to 160TB upon customer request.

  • Full SSD-based High Performance IOPS

    Block Storage includes redundant controller and disk array RAID to ensure high durability and availability. For mission-critical application workload that requires short response time and high IOPS, optimized high-performance SSD-type storage is also provided.

  • Snapshot Images (VM)

    OS and data space can be backed up as snapshot images, enabling recovery to a specific time using these snapshots in case of change of deletion of data.

  • Multi-Attach Feature (BM)

    The Multi-Attach feature optimized for HPC (High Performance Computing) environments offers high availability when using file sharing or cluster file systems on bare metal servers.

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Service Architecture

VM Architecture
Block Storage → 10TB, 100TB, 5TB → ESXi Host → each VM
BM Architecture
... → Multi-Attach → each BM

Key Features

  • User volume creation

    - Create/ connect/ expand/ delete user volume on created VM easily
    - Set types and scales of assigned block storage (up to 160TB)
    - 100GB in the basic OS space

  • Multi-Attach function (BM)

    - Able to access files in the same space from multiple servers when using cluster files or file sharing systems

  • Storage management

    - Storage management : Disk/storage usage management, storage change analysis and review, etc.
    - Availability management : Storage utilization rate management, etc.

  • Storage monitoring

    - Monitor storage performance (read/write IO), estimate usage and view bills
    - Set notifications for storage shortages (e.g. a 'Warning' status notification when 80% of assigned storage is in use and 'Critical' when 90% is in use)

Pricing

    • Billing
    • Charged by the usable storage (usable storage (GB) x unit price)
    • Monthly billing based on the combined number of days using storage
    • Metering standard
    • Usable storage : Storage requested by the user on the screen
    • Discount rates applied according to the usage
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