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刚测试性能和安全性,去掉一块序列盘,那块盘上数据全没了嘛,这怎么保障数据安全呢?还是我用法不对?


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环境:

unraid版本 官网的6.11.1试用版本

1TB 校验盘 1 块

1TB 序列盘 3 块

这时序列的容量显示是3TB

建立一个共享文件夹名叫“no cache most free”

策略是:

cache:no

Allocation method:most free

Split level: Automatically split any directory as required

Included disk(s): All

 

第一步:

我找了一个2.35TB的文件,用7zip 打包,分卷成235个小包,每个分卷10GB,把他们全部存入上面创建的共享目录中,然后睡觉,今早发现已全部存到位,每个磁盘中有70多个包,序列里每个磁盘都用了920多G左右,而且显示全部受保护状态。

 

第二步:模拟灾难,关闭unraid,拔掉序列中的一块硬盘,换上一块无文件系统的新硬盘,开机,序列是停机状态,提示那块被我拔掉的盘丢失,然后选择新的硬盘,点击序列上线,格式化新硬盘,然后系统自己开始重建,经过2个多小时,重建完毕,进入共享后发现只剩156个包了。。。。然后就是下面图片所示的状态,拔掉的那块盘中的文件并没有回来!!!

 

这个是我用法不对,还是unraid它就这样?

面对硬盘损坏如何保障数据安全?

unraid.png

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这个问题挺严重,专门查了下。恢复数据最好不能有格式化硬盘,rebuild就行了。不知道是不是格式化硬盘的原因,可以按如下步骤再试试。

 

  https://wiki.unraid.net/Replacing_a_Data_Drive

1. Stop the array
2. Unassign the old drive if still assigned (to unassign, set it to No Device)
3. Power down
4. [ Optional ] Pull the old drive (you may want to leave it installed for Preclearing or testing)
5. Install the new drive
6. Power on
7. Assign the new drive in the slot of the old drive
8. Go to the Main -> Array Operation section
9. Put a check in the Yes, I'm sure checkbox (next to the information indicating the drive will be rebuilt), and click the Start button
10. The rebuild will begin, with hefty disk activity on all drives, lots of writes on the new drive and lots of reads on all other drives
All of the contents of the old drive will be copied onto the new drive, making it an exact replacement, except possibly with more capacity than the old drive.

1.停止阵列
2.如果仍然分配旧盘,则取消分配(取消分配,将其设置为无设备)
3. 断电
4. [ 可选 ] 拉出旧盘(您可能希望保留它安装以进行预清除或测试)
5.安装新盘
6.开机
7.在旧盘的插槽中分配新盘
8. 转到 Main -> Array Operation 部分
9. 勾选 Yes, I'm sure 复选框(在指示将重建驱动器的信息旁边),然后单击 Start 按钮
10. 重建将开始,所有驱动器上的大量磁盘活动,新驱动器上的大量写入和所有其他驱动器上的大量读取
旧驱动器的所有内容都将复制到新驱动器上,使其成为完全替代品,但容量可能比旧驱动器大。

 

Edited by jinlife
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  • 2 weeks later...

看演示即使坏掉的盘即使不装上,这个盘的数据都可以读出来

看这个视频3分50秒,而且换上去的序列盘如果比校验盘大,只要把序列盘和校验盘换一下,会先自动拷贝原校验盘数据到新校验盘,然后重建坏掉的盘的数据

 

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