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G8 & HP Storage Server 2012


samuk
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I know that they had SMR writing and slow RAID rebuilds (according to reviews), but I can't say that they perform slowly for 5900 rpm drives.

 

Thanks for the real-world feedback. The reviews mentioned the phenomenon of 0% transfer for long periods followed by bursts when doing large writes - sounded familiar to the OP.

 

Everyday usage is fine and they are fantastic value-for-money, run cool and work well so I certainly didn't want to appear to put anyone off them.

 

It's 99% likely to be the ESXi issues schoondoggy has pointed to so hopefully OP can follow the steps to reduce the issues there.

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thanks guys, will check the link..

 

unsure if HP or VMWare would help, there are so many serttings and options..

 

I have made these changes or all that i could to the file server and some to the storage server ISCSI nic as i am little confused..

 

https://social.technet.microsoft.com/Forums/windowsserver/en-US/2e14aa58-cb9b-462c-8a9e-7b10be2de3cb/windows-2008-r2-file-and-folder-copy-paste-very-slow-over-1000-mbs-lan.

 

i am writing to the VM on the ISCSI NIC - so guessing NIC settings would impact the performance..

 

now had a change to get the drive info..but they are the Green drives..not the 7200rpm ones..

 

When i copy to the storage server share - i get a stedy speed of 50MB/s, the network utalisation is a steady line till it completes..

 

to the VM, its up, down, up down..then stops going up at all.. 

 

Also to note the ISCSI disk i have created on the SSD disk - is doing the same..Note: seems to drop the network down..but the file copies..let em run some ore tests

Edited by samuk
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Copy a 5.5GB ISO from a Windows 7 VM located on the Lenovo ESX Hosts local SATA Datastore

 

Copied to:

 

Windows 2008 R2 VM on the ISCSI Raid Disks – 1.3Gb Remaining (Cancelled Copy)  - Looks frozen

 

See Pic 1 - Network

 

VM Disk on the ISCSI SSD – Finished @ 104MB/s

 

See Pic 2 - Network

 
 

Windows 2012 R2 VM on the ISCSI Raid Disks – Copying but slow  (Cancelled Copy)  

 

See Pic 3 - Network

 
 
red lines indicate start and finish or cancel

 

 

 

1.JPG

2.JPG

3.JPG

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Hi,

 

iSCSI is very slow if you don't have proper hardware. 

 

Why dont you use NFS instead ? its much much faster and you can access it from your desktop/laptop.

 

Regards

RS

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Hi,

 

iSCSI is very slow if you don't have proper hardware. 

 

Why dont you use NFS instead ? its much much faster and you can access it from your desktop/laptop.

 

Regards

RS

Its not slow..there is a issue..as it just stops coping to the RAID disks, but fine on a single disk ISCSI

 

will try to delete and recreate the RAID 5 array to test.

 

 

Not used NSF before - will trey this? can i gave this as shared storage for the 2 esx hosts?

Edited by samuk
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NFS was the same..

 

culd ACHI mode be causing the issue?

 

I have removed the P410 raid controller and connected the 4 bays to the on board controller..

 

but is not booting from the SSD anymore connected to the extra SATA port on the motherboard..

 

anyone?

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