iometer

利用iometer去測量GlusterFS

在CAKE環境下的效能

Server	HostName	CAKE配置	對內(mgmt)	對外(web)
No.30	c1	Center+Node	192.168.10.10	140.92.25.126
No.29	n1	Node	192.168.10.11	140.92.25.238
No.32	n2	Node	192.168.10.12	140.92.25.229

使用三台server, 每一台server有一個RAID 6, 當作一個單一的brick使用
所以總共有3個brick，組成DHT或是striped volume

(per server in a single raid 5, serving a single brick, across 3 servers in a DHT and striped setup)

不含tuning volume options

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upload .img to CAKE center

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create a VM for test iometer (on cakeweb)

Management -> Virtual Machine -> Create New

#Computing Resources
vCPU number 8 (vCPU)
Memory Size 8192 (MB)

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set the VM (on cakeweb)

Hardware Info. -> Disk -> DISK BUS TYPE: virtio
Hardware Info. -> NIC -> NIC TYPE: virtio

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create a virtual disk for the VM and attach it

Management -> Virtual Disk -> Create New -> size: 30 (GB)
Management -> Virtual Disk -> List -> Operation (Attach)

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open the VM and set iometer

#Topology

• worker: 8

　
#Disk targets

• target E:/
• number of Outstanding I/O: 16

　
#Access Specifications

Name	size	%access	%read	%random	delay	burst length	alignment	reply
RR_8K	8KB	100	100	100	0	1	sector	none
RW_8K	8KB	100	0	100	0	1	sector	none
SR_8K	8KB	100	100	0	0	1	sector	none
SW_8K	8KB	100	0	0	0	1	sector	none
RR_64K	64KB	100	100	100	0	1	sector	none
RW_64K	64KB	100	0	100	0	1	sector	none
SR_64K	64KB	100	100	0	0	1	sector	none
SW_64K	64KB	100	0	0	0	1	sector	none

　
#Test setup

• run time: 2 min
• ramp up time: 20 s

執行的時候記得點group之後再執行

否則會只跑到一個worker

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同個環境設定跑三次

結束