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Can you use an HP 2510G-24 or 2510G-48 for an iSCSI SAN

Hi,

I'm setting up a VMware environment to replace an old antiquated virtualized solution. We already have an Dell MD3000 iSCSI SAN. We want to replace the current switch with a newer higher quality HP switch as we've been using HP a lot.

I'm looking at the HP 2510G-48. But nowhere does it explicitly state that it supports iSCSI or how to optimize it for iSCSI. I know iSCSI runs over Gigabit Ethernet but from what I know it requires more than just that. I'm not that familiar with iSCSI.

Can anyone let me know if they know how to properly configure the HP 2510G-24 or 2510G-48 for an iSCSI SAN and if they've done it already?

I want to make sure I'm not going to have any performance degradation and that it would work just as good as any other iSCSI switch.

Thanks, Jonathan
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RFVDB
Asked:
RFVDB
2 Solutions
 
Luciano PatrãoICT Senior Infraestructure Engineer Commented:
Hi

Both you can use for iSCSI, but I think the performance is not so good. I think has only 2/4 ports(dual) to use for fiber optic connections. With 2810 you have more options with Layer 2/Layer 3 switch.

But only for iSCSI nothing more, can work ok.

Jail
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Gerald26Commented:
Using 2510G on some customers vmware infrastructures and it's working great.
Keep in mind that if you are replacing the current switch, it might have some VLAN  / jumbo frames configured, and you will probably want to dump your existing switch config first to configure the new 2510G correctly.

Gerald
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Yes, these switches are excellent value for use with iSCSI, we use HP 2510G-24/48 switches currently in MPIO iSCSI networking.

Ports 13 - 20 on each have flow control enabled as required by Dell for the EqualLogic array.

They also support Jumbo Frames, which can enhance performance of iSCSI.
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Luciano PatrãoICT Senior Infraestructure Engineer Commented:
Hi

@hanccocka it supports Jumbo Frames? I thought only 2810 that supports this. But maybe the 2510(without the G) and the G supports. If yes, I learn something today :)

Thank You

Jail
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
both the G and Non-G versions

Jumbo packet support: supports up to 9,216-byte frame size to improve performance of large data transfers
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
I've got two PDFs on two cdroms, one says

Jumbo packet support: supports up to 9,216-byte frame size to improve performance of large data transfers

one says

Jumbo packet support: supports up to 9216-byte frame size to improve the performance of large data transfers (2510G models only)
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Luciano PatrãoICT Senior Infraestructure Engineer Commented:
Hi

Yes you are right hanccocka, the only difference that I see is HP 2810 supports up to 9220-byte frame size and HP 2510 is up 9,216. 4 Bytes less :)

Thank you for the correction.

Jail

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RFVDBAuthor Commented:
Hi,

@hanccocka or @BestWay what configurations need to be applied to the interfaces for iSCSI?

What are the CLI commands? Thanks a lot.

Jonathan
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
that would depend on your network configuration.

I would suggest a new question,
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