Applicable Products
- QuTS hero 6.0.0 or later
- Storage Manager
Explanation
Basic Concepts
Qtier hero is a tiered storage technology designed exclusively for the QuTS hero system. Qtier hero adopts a policy-based design. This grants administrators control over data placement, ensuring a predictable and transparent high-performance storage environment.
Architecture & Disk Configuration
The system divides storage space into three distinct tiers based on the physical characteristics of the drives, ensuring that "drive type defines performance level":
High-Speed Tier
Medium-Speed Tier
Low-Speed Tier
Drive Type: SAS / NL-SAS / SATA HDD
Positioning: Provides massive storage capacity; ideal for cold data, backups, or long-term archiving.
Three Write Acceleration Modes
Administrators can choose the most appropriate write path for different Shared Folders or LUNs based on specific application scenarios:
A. Write-buffer — Performance-Oriented
Data is prioritized to be written to the fastest "High-Speed Tier" and subsequently moved to the user-defined target tier according to a schedule.
Benefit: Provides the lowest write latency (VIP access).
Use Cases: Databases, Virtual Machines (VMs), and high-random-write workloads.
B. Load-balance — Throughput-Oriented
Data is simultaneously distributed and written to both the "High-Speed Tier" and the "Target Tier," balancing the load on individual hardware levels.
Benefit: Maximizes overall bandwidth and prevents the SSD tier from being overwhelmed by bursty high traffic.
Use Cases: Surveillance systems, Log Servers.
C. Direct-write — Endurance & Capacity-Oriented
Data bypasses the High-Speed Tier entirely and is written directly to the pre-defined target tier.
Benefit: Does not occupy precious high-speed space, extending SSD service life (TBW).
Use Cases: Routine cold backups, compliance archiving, and non-time-sensitive historical data.
Advanced Management Mechanisms
Data Target Tier
Administrators can define the permanent resting place for data. The system will automatically relocate data to the designated tier when the migration schedule starts.
Retention Period
To prevent "fresh data" from leaving the SSD tier too early due to migration, the system supports a retention setting of 1 to 30 days. This ensures that data remains on the high-performance tier during active project periods.
Automatic Spillover Mechanism
When the target tier is full, the system automatically identifies the next available tier to continue writing, ensuring uninterrupted I/O operations (No I/O Errors).
Migration Schedule
Administrators can customize migration windows (e.g., 2:00–5:00 AM) to schedule data relocation during off-peak hours, completely avoiding any impact on daily business performance.
Summary & Recommendation
Qtier hero returns "decision-making power" to the administrator. Through precise mode settings and scheduling, enterprises no longer need to guess when data will become "hot." Instead, they can achieve "deterministic" performance deployment tailored to various professional requirements, from video editing to massive data archiving.
适用产品
- QuTS hero 6.0.0 或更高版本
- 存储管理器
说明
基本概念
Qtier hero是一种分层的存储技术，专为 QuTS hero 系统设计。Qtier hero 采用基于策略的设计。这使得管理员可以控制数据放置，确保可预测且透明的高性能存储环境。
架构与磁盘配置
系统根据驱动器的物理特性将存储空间划分为三个不同的层级，确保“驱动器类型定义性能级别”：
三种写入加速模式
管理员可以根据特定的应用场景为不同的共享文件夹或 LUN 选择合适的写入路径：
A. 写入缓冲 — 面向性能
数据优先写入较快的“高速层”，然后根据计划移动到用户定义的目标层。
B. 负载平衡 — 面向吞吐量
数据同时分布并写入到“高速层”和“目标层”，平衡各个硬件层的负载。
C. 直接写入 — 面向耐用性和容量
数据绕过高速层，直接写入预定义的目标层。
优异管理机制
数据目标层
管理员可以定义数据的长期存放位置。系统将在迁移计划开始时自动将数据迁移到指定层。
保留期
为了防止“新鲜数据”因迁移过早离开 SSD 层，系统支持 1 到 30 天的保留设置。这确保数据在活跃项目期间留在高性能层。
自动溢出机制
当目标层已满时，系统会自动识别下一个可用层继续写入，确保 I / O 操作不中断（无 I / O 错误）。
迁移计划
管理员可以自定义迁移时间窗口（例如，凌晨 2:00-5:00），以便在非高峰时段进行数据迁移，避免对日常业务性能的影响。
总结与建议
Qtier hero将“决策权”交还给管理员。通过更精细的模式设置和调度，企业不再需要猜测数据何时会变“热”。相反，他们可以实现“确定性”的性能部署，以满足从视频编辑到海量数据存档的各种专业需求。
