1C-202_Gimbal Enabling Multi-tenant Storage Disaggregation on SmartNIC JBOFs-University.PDF

1、Gimbal:Enabling Multi-tenant Storage Disaggregation on SmartNIC JBOFsJaehong Min,Ming Liu,Tapan Chugh,Chenxingyu ZhaoAndrew Wei,In Hwan Doh,and Arvind KrishnamurthySan Jose,CA April 26-28,2022Storage Disaggregation Growth of network B/W enables disaggregated infrastructures Storage and accelerator d

2、isaggregation are the most common today Benefits of the storage disaggregation Independent resource scaling High resource utilization Negligible performance degradation over high-speed networks Accelerated by HW and SW innovations SmartNIC,DPU,etc.SPDK and OS supportsCPUMEMORYNICDisaggregated Storag

3、eNetwork SwitchCPUMEMORYNICCPUMEMORYNICCPUMEMORYNICCPUMEMORYNICSan Jose,CA April 26-28,2022SmartNIC JBOF SmartNIC JBOF implements cost-effective,power-efficient system Our testbed:Broadcom Stingray Power-efficient design using SoC Eight ARM A72 cores Test platform supports up to four NVMe Support NV

4、Me-over-Fabrics(RDMA)using SPDKBroadcom Stingray SmartNICJust-Bunch-Of-FlashSan Jose,CA April 26-28,2022SmartNIC JBOF Characterization Similar IO performance to server-based*JBOF Less than 5%degradation for small IO,the same for large IO Significantly less power consumption than server-based JBOF Ab

5、out half in the idle state(45.5W vs.92W)Only 27%under the maximum load(52.5W vs.192W)Challenge Small headroom for additional computation 1us for a small IO,5us for a large IO*Xeon server with two Intel Xeon E5-2620 v4 CPU,All cores are active in the maximum loadSan Jose,CA April 26-28,2022Multi-tena

6、nt Disaggregated Storage Disaggregation inevitably creates a multi-tenancy environment Current disaggregated storage lacks support for fair sharing of storageApp 1SmartNIC JBOFsApp 2App NSan Jose,CA April 26-28,2022Challenges with SSD multi-tenancy IO Fairness Read and Write asymmetry and IO interfe