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shareblock存储使用精简制备模式时,云平台如何对存储卷进行管理? #1346

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zhangQiWorr opened this issue Nov 23, 2023 · 3 comments

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@zhangQiWorr
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shareblock(san)存储使用精简制备模式时,物理主机上是通过lvm的精简制备模式进行管理的吗?
如果是,使用lvm的精简制备模式时,如果保证多台物理主机对lv进行写时,精简制备池的数据不被损坏?
如果不是,云平台是如何使用实现shareblock的精简制备的?

@live4thee
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shareblock(san)存储使用精简制备模式时,物理主机上是通过lvm的精简制备模式进行管理的吗? 如果是,使用lvm的精简制备模式时,如果保证多台物理主机对lv进行写时,精简制备池的数据不被损坏?

不是。

如果不是,云平台是如何使用实现shareblock的精简制备的?

Qcow2 on LVM.

@zhangQiWorr
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请问一下,如果是使用qcow2实现的,那程序中是采用了一个监控程序来动态根据qcow2的实际使用大小来给lv进行动态扩容吗?

@live4thee
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请问一下,如果是使用qcow2实现的,那程序中是采用了一个监控程序来动态根据qcow2的实际使用大小来给lv进行动态扩容吗?

可以参考 vdsm, 核心思想类似。

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