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ESXi Slow Data Transfer rate

Posted on 2014-02-18
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Hi,

I have a VM thats running ESXi and has 15K hard drives in. There are 4 VM on the machine as they are only low loads.

I have notices that the data transfer is painfully slow (1.88 MB/S) This is just cutting data from one folder to another on the same VM.

The Tin is a Dell Poweredge 2950.

I have checked the CPU and RAM and its not bottling out there so am a little lost.

What should I be looking for..

New to ESXi

THanks
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Question by:Gareth_Pointon
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LVL 36

Expert Comment

by:Seth Simmons
ID: 39867489
what controller are you using? 5i? 6i? what raid level?
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LVL 124
ID: 39867515
How many disks?

Do you have a caching RAID  controller, is cache enabled, 75 % write / 25% read ?
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Author Comment

by:Gareth_Pointon
ID: 39867609
Hi,

Thanks for the replys:

I have a Perc6/i card

6 Drives with two as HS

I have looked in the PERC 6/i bios and have selected the Advanced check box but it keeps defaulting to unchecked even though I click apply.
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Author Comment

by:Gareth_Pointon
ID: 39867616
In addition the Perc 6/i card if on

FW 1.22.12-0952
Bios 2.04.00

I also checked the Transfer speed on another VM and this was about 20MB


Thanks
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LVL 36

Expert Comment

by:Seth Simmons
ID: 39867648
that firmware and bios is very old; latest is 6.3.3-0002 and bios 2.7
suggest updating both and looking at drive firmware also

Dell Server BIOS PowerEdge PE2950 Version 2.7.0
http://www.dell.com/support/drivers/us/en/04/DriverDetails/Product/poweredge-2950?driverId=16RCK&osCode=WNET&fileId=3000127368&languageCode=en&categoryId=BI

Dell PERC 6/i Integrated Firmware Update
http://www.dell.com/support/drivers/us/en/04/DriverDetails/Product/poweredge-2950?driverId=F96NR&osCode=XI51&fileId=3181352147&languageCode=EN&categoryId=SF
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Author Comment

by:Gareth_Pointon
ID: 39867660
How do I check the drive FM please
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Author Comment

by:Gareth_Pointon
ID: 39867693
Tried to install the windows version and its saying its not supported by this OS (Server 08)
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LVL 36

Expert Comment

by:Seth Simmons
ID: 39867824
you can install the open manage tools for esx
didn't specify esx version; this bundle is for 5.1

Dell OpenManageServer Administrator vSphere Installation Bundle (VIB) for ESXi 5.1
http://www.dell.com/support/drivers/us/en/04/DriverDetails/Product/poweredge-2950?driverId=WHYNF&osCode=XI51&fileId=3324828011&languageCode=EN&categoryId=SM

you can run open manage on a windows system and connect to the esx host and view all hardware components from there.  storage will be near the bottom left as you drill down through the controller and connectors you will see the drives and the firmware will be displayed

for the bios and controller, you will have to boot on a linux/dos boot media and install from there since you can't do those updates from esx console as you would normally through windows and linux
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Author Comment

by:Gareth_Pointon
ID: 39869678
Hi,

I have down the following:

1. Login to the system running VMware Vsphere Client or vCenter-Server
2. Bring the intended ESXi host into Maintenance Mode

But cannot find/do this:

3. For VUM based installs, Select the ESXi host. Click Update Manager, Admin view, Patch Repository, Import Patches and follow the online instructions to upload the patch successfully. The offline bundle is displayed.
4. For other install methods, unzip the offline bundle to extract the vib and metadata.zip. Use the vib to install Server Administrator software on the desired ESXi host
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Author Comment

by:Gareth_Pointon
ID: 39869679
Think its due to me running V5
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Author Comment

by:Gareth_Pointon
ID: 39869939
OK.

On 5.5 version now but cannot install Dell OM

Is there a tutorial?
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Accepted Solution

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Gareth_Pointon earned 0 total points
ID: 39869953
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LVL 124
ID: 39869965
Did this cure the ESXi slow transfer rate?
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Author Closing Comment

by:Gareth_Pointon
ID: 39882055
Found information in the internet
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