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тАО01-20-2010 08:33 AM
тАО01-20-2010 08:33 AM
P4000 VSA vNIC 10GbE
Also, I would like to hear from anyone that knows what kind of development is going on in regards to the VSA. I wouldn't be so worried about its current performance if I knew we were close to a release that supports 10GbE and Jumbo Frames.
Also, I know it wouldn't be supported by HP, but this is just an idea:
I have a demo VSA I have been playing with. I know the hardware version can be upgraded to v7 and the newer vNIC "VMXNET2" is recognized by the OS (VMXNET3 is not) and is at least functional at 1Gbps, but it doesn't look like the properties of that vNIC are available in the Management Console. Even though VMXNET2 is capable of 10GbE and Jumbo frames, the configuration of the Management console is frozen on a VSA (if indeed the OS fully supports VMXNET2). Obviously, changing the configuration as mentioned would not be supported by HP, but I might be tempted to risk it if I could get better performance. I know SAN/iQ is not "Linux-based" but I am wondering if configuration is possible using a built-in Linux console; similar to ESX.
Any thoughts?
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тАО01-20-2010 11:18 AM
тАО01-20-2010 11:18 AM
Re: P4000 VSA vNIC 10GbE
That is just what the device driver says, similar what you see when you configure a Windows VM with the 'vlance' NIC and see 10 MegaBit/sec. In reality the vNIC works with memory-speed and/or the pNIC's speed.
But most likely you are limited by the speed of the disk drives anyway.
> I know SAN/iQ is not "Linux-based"
Oh, but it is ;-)
I've once looked a little bit into the .vmdk files, but it is heavily stripped down - don't expect a rich environment like the ESX service console.
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тАО01-20-2010 02:38 PM
тАО01-20-2010 02:38 PM
Re: P4000 VSA vNIC 10GbE
I only stated that SAN/iQ was not based on Linux because that is what I have read elsewhere from HP reps. Good to know otherwise! Do you know of a way to access the linux console? I tried all of the Alt-F* combinations.
Anyone else know how to boost performance? I am getting a max of 7500KBps write speed right now.
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тАО01-21-2010 05:28 AM
тАО01-21-2010 05:28 AM
Re: P4000 VSA vNIC 10GbE
http://kb.vmware.com/kb/856
I assume that you have not set up any traffic shaping ;-)
Seriously, what disk subsystem are you using and do you really need MegaBytes/sec instead of I/Os per second?
Many (most?) RAID systems are good at IOPS, but not MBPS.
I've only done a short look into the .vmdk. From what I have seen I do not expect a shell access at all.
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тАО01-27-2010 07:18 AM
тАО01-27-2010 07:18 AM
Re: P4000 VSA vNIC 10GbE
What about the VSA supporting Jumbo Frames? Does it already support it? I know the "Frame Size" option is configurable in a physical HP Lefthand SAN. For the VSA, "Frame Size" is not configurable, but I'm wondering if it is supported anyway. If so, does a default configuration support it or is there configuration on the ESX host side to do?
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тАО03-15-2010 06:25 AM
тАО03-15-2010 06:25 AM
Re: P4000 VSA vNIC 10GbE
You can always have a look at the kernel in the VSA appliance by simply adding a bootable CD, and then mounting the disks end investigating them. sda1 is the boot partition, sda2 is the root filesystem. sdb is simply a raid-1 copy of these disks (set up with mdadm) and sdc is the actual storage disk, which is partitioned to provide some meta-data and real data.
I have managed to get the VSA evaluation to run in ESXi by making a "dd" of the sda and sdb disks in the player and restoring them into a ESXi VM by doing the "dd" in the reverse direction. The extra raid-disk (for storage of data) can be re-made via the management interface. When this is done, the 30-day evaluation starts again.
Robert Campbell