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ZNS相关问题 #1

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YummuyWang opened this issue Jun 28, 2023 · 4 comments
Open

ZNS相关问题 #1

YummuyWang opened this issue Jun 28, 2023 · 4 comments

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@YummuyWang
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想请问一下你们的ZNS设备是物理设备还是模拟器仿真的，另外你们的IO调度是修改的哪里呀，毕设要做这方面实验。
@chiro2001
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抱歉回复晚了些，没有 watch 本项目🤦‍♂️
我们申请了两次也没申请到 ZNS设备，所以只能用仿真的😢
IO 调度改的是 ZonedBlockDeviceBackend 这一层

@YummuyWang
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请问是什么模拟器呢
是FEMU吗

@chiro2001
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之前我们想用 https://github.com/snu-csl/nvmevirt 来进行性能评估，不过试了很久在我们的环境里没跑起来，时间不够了直接用 nullblk 加手动计算延迟（嘘🤐）
现在正在用 FEMU，但是还没加到代码里。

@YummuyWang
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我也是用的这篇论文，如果模拟ZNS的话参数需要memmap_size +1 他有1M的空间作为pci控制头加个联系方式，可以交流一下

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@YummuyWang @chiro2001