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用 Win 10 的 Storage Space 创建 软件 RAID

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有一个1.5TB 和一个1TB 的硬盘 是从老PC上拆下来, 扔了可惜. 这两个硬盘都是 Seagate, 7200转, 64M缓存, 质量还不错. 碰巧 HPZ800的主机里支持接 4个 SATA接口的硬盘

sata-drawers 用 Win 10 的 Storage Space 创建 软件 RAID 折腾 硬件

sata-drawers

hpz800-sata-drawers

打算把这两个硬盘来存些电影 家里 2TB的 NAS快被 各种片塞满了 (包括A片). 但是又不想直接有两个硬盘 (有点小强迫). 想把所有的都放在一起. 刚好 WIN 10的 这个 Storage Space 创建虚拟大硬盘这个功能可以满足我. 最主要是 以后虚拟大硬盘空间用完了 还可以动态添加.

在开始菜单处搜索 ‘Storage Space’

storage-space

进入管理界面后 点击 创建新的 虚拟硬盘池.

manage-storage-spaces

选择未被使用(格式化的硬盘) 当然也可以选择已经格式化的硬盘 只不过所有选择用来创建硬盘池的硬盘都将会被格式化重新使用.

select-drives

系统准备…

preparing

选择 Simple-No-Resiliency 类似 RAID 0 这种方式将不会有 数据冗余. 也就是说如果一个硬盘坏了 数据将丢失. 当然 由于数据会被较为均匀的分布在两个不同的物理硬盘上 所以读写速度会稍稍快一些.

simple-no-resiliency

Two-way-mirror 这种方式类似 RAID 1 也就是完全镜像. 需要至少两个硬盘. 数据将会有一份完全的备份. 读写速度会慢一些. 适合存储重要的数据.

two-way-mirror

当然还有其它的配置. 我这里就选第一种. 也不是什么重要数据 当然我也信任这硬盘的质量.

summary

最后我得到了一个虚拟 2.3TB 左右的大硬盘. 之后不够 还可以添加硬盘. Click To Tweet

storage-space-drive

性能测试

HPZ800主板SATA接口只支持 SATA II 也就是 3GBps (不管你用的是不是SATA3). C盘是主硬盘 也是SEAGATE. 所有三个硬盘都是 7200转, 64M 缓存 所以如果单个测试的话 应该都差不多.

用 管理员运行命令 winsat disk -drive c 得到 主硬盘:

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Windows System Assessment Tool
Running: Feature Enumeration ''
Run Time 00:00:00.00
Running: Storage Assessment '-drive c -ran -read'
Run Time 00:00:08.14
Running: Storage Assessment '-drive c -seq -read'
Run Time 00:00:08.66
Running: Storage Assessment '-drive c -seq -write'
Run Time 00:00:06.34
Running: Storage Assessment '-drive c -flush -seq'
Run Time 00:00:04.20
Running: Storage Assessment '-drive c -flush -ran'
Run Time 00:00:08.95
Disk  Random 16.0 Read                       2.11 MB/s
Disk  Sequential 64.0 Read                   119.81 MB/
Disk  Sequential 64.0 Write                  147.57 MB/
Average Read Time with Sequential Writes     2.697 ms
Latency: 95th Percentile                     20.369 ms
Latency: Maximum                             92.762 ms
Average Read Time with Random Writes         6.133 ms
Total Run Time 00:00:37.58
Windows System Assessment Tool
Running: Feature Enumeration ''
Run Time 00:00:00.00
Running: Storage Assessment '-drive c -ran -read'
Run Time 00:00:08.14
Running: Storage Assessment '-drive c -seq -read'
Run Time 00:00:08.66
Running: Storage Assessment '-drive c -seq -write'
Run Time 00:00:06.34
Running: Storage Assessment '-drive c -flush -seq'
Run Time 00:00:04.20
Running: Storage Assessment '-drive c -flush -ran'
Run Time 00:00:08.95
Disk  Random 16.0 Read                       2.11 MB/s
Disk  Sequential 64.0 Read                   119.81 MB/
Disk  Sequential 64.0 Write                  147.57 MB/
Average Read Time with Sequential Writes     2.697 ms
Latency: 95th Percentile                     20.369 ms
Latency: Maximum                             92.762 ms
Average Read Time with Random Writes         6.133 ms
Total Run Time 00:00:37.58

用 管理员运行命令 winsat disk -drive d 得到 虚拟硬盘的性能:

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Windows System Assessment Tool
Running: Feature Enumeration ''
Run Time 00:00:00.00
Running: Storage Assessment '-drive d -ran -read'
Run Time 00:00:00.92
Running: Storage Assessment '-drive d -seq -read'
Run Time 00:00:04.98
Running: Storage Assessment '-drive d -seq -write'
Run Time 00:00:06.59
Running: Storage Assessment '-drive d -flush -seq'
Run Time 00:00:05.22
Running: Storage Assessment '-drive d -flush -ran'
Run Time 00:00:10.45
Disk  Random 16.0 Read                       32.03 MB/s          6.2
Disk  Sequential 64.0 Read                   12335.15 MB/s          9.9
Disk  Sequential 64.0 Write                  125.21 MB/s          7.0
Average Read Time with Sequential Writes     4.585 ms          6.1
Latency: 95th Percentile                     50.290 ms          1.9
Latency: Maximum                             126.334 ms          7.6
Average Read Time with Random Writes         10.782 ms          4.3
Total Run Time 00:00:29.31
Windows System Assessment Tool
Running: Feature Enumeration ''
Run Time 00:00:00.00
Running: Storage Assessment '-drive d -ran -read'
Run Time 00:00:00.92
Running: Storage Assessment '-drive d -seq -read'
Run Time 00:00:04.98
Running: Storage Assessment '-drive d -seq -write'
Run Time 00:00:06.59
Running: Storage Assessment '-drive d -flush -seq'
Run Time 00:00:05.22
Running: Storage Assessment '-drive d -flush -ran'
Run Time 00:00:10.45
Disk  Random 16.0 Read                       32.03 MB/s          6.2
Disk  Sequential 64.0 Read                   12335.15 MB/s          9.9
Disk  Sequential 64.0 Write                  125.21 MB/s          7.0
Average Read Time with Sequential Writes     4.585 ms          6.1
Latency: 95th Percentile                     50.290 ms          1.9
Latency: Maximum                             126.334 ms          7.6
Average Read Time with Random Writes         10.782 ms          4.3
Total Run Time 00:00:29.31

可以看到 读的速度明显加快了 写稍微可能会慢一些.

英文: https://helloacm.com/how-to-use-windows-10-storage-space-to-combine-multiple-physical-harddrives/

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