Dell 150i network setup problem

Dos_Box · 04-04-2007, 01:18 PM

I have been setting up our new Dell 150i SAN, but have encountered a problem.
I have setup the management IPs fine, but the iSCSI ports are not talking to my servers. They are direct connections into the second NIC on my serversnot via a switch).
Both IPs (the server and the iSCSI) are3 on the same range and they Windows reports them as connected, however they will not ping each other (either via Windows or the NaviSphere interface).
I have tried putting the IP range on a sperate range from the LAN range (10.72.x.x/255/255/254/0) changed to 192.168.x.x/255/255/255/0) but this made no differance. I have followed all the setup instaructions to the letter but I am now scratching my head. The servers are Dell Poweredge 1950s.
Any help?

Geoff · 04-04-2007, 01:26 PM

Quit while you're ahead. The Dell 150i SAN is badly implemented and performance is terrible. But then, what did you expect for that price?

Dos_Box · 04-04-2007, 01:31 PM

We need the storage, not processing power. I'm loath to phone Dell as I'm not in the mood to speak phonetically to a Mumbi call centre.

Geoff · 04-04-2007, 01:40 PM

Ok, lets continue on blindly then (I reserve the right to say 'I told you so' though).

Lets start with the basics. Mixing iSCSI and generic WAN/LAN traffic is bad for performance. If you can have your SAN and front end server sat on separate wiring that's the best way. Failing that, use a VLAN.

You can't have more than one server talking to the same iSCSI target. Therein lies the path to data corruption. Use a front end server and share everything out that way (cluster if necessary).

Also, you did install the iSCSI software initiator didn't you?

http://www.microsoft.com/downloads/d...DisplayLang=en

Finally, you might want to take a look at the TOE implementation on your ethernet card. It or the driver might be broken. Try disabling it.

Dos_Box · 04-04-2007, 01:45 PM

Quote:

Lets start with the basics. Mixing iSCSI and generic WAN/LAN traffic is bad for performance. If you can have your SAN and front end server sat on separate wiring that's the best way. Failing that, use a VLAN.

Which is why I have connected directly to a NIC. I have also tried to connect them via a seperate GB switch with no joy.

paul · 04-04-2007, 01:46 PM

As Geoff mentions I would certainly start by putting them on a dedicated switch as my AX100i is setup. Failing all of Geoff's suggestions Ring Dell there enterprise storage support is supprisingly good (based in Glasgow).

paul · 04-04-2007, 01:47 PM

Posted before you posted your last! Disregard!

Dos_Box · 04-04-2007, 02:14 PM

Fixed. Connecting everything into a GB switch and rebooting the SAN worked.

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04-04-2007, 01:18 PM	#1
Dos_Box Join Date: Jun 2005 Location: Preston, Lancashire Posts: 3,618 Thanks: 7 Thanked 110 Times in 53 Posts Blog Entries: 6 Rep Power: 37	Dell 150i network setup problem I have been setting up our new Dell 150i SAN, but have encountered a problem. I have setup the management IPs fine, but the iSCSI ports are not talking to my servers. They are direct connections into the second NIC on my serversnot via a switch). Both IPs (the server and the iSCSI) are3 on the same range and they Windows reports them as connected, however they will not ping each other (either via Windows or the NaviSphere interface). I have tried putting the IP range on a sperate range from the LAN range (10.72.x.x/255/255/254/0) changed to 192.168.x.x/255/255/255/0) but this made no differance. I have followed all the setup instaructions to the letter but I am now scratching my head. The servers are Dell Poweredge 1950s. Any help?

04-04-2007, 01:26 PM	#2
Geoff Join Date: Jun 2005 Location: Fylde, Lancs, UK. Posts: 9,841 Thanks: 41 Thanked 217 Times in 198 Posts Blog Entries: 1 Rep Power: 64	Re: Dell 150i network setup problem Quit while you're ahead. The Dell 150i SAN is badly implemented and performance is terrible. But then, what did you expect for that price?

04-04-2007, 01:31 PM	#3
Dos_Box Join Date: Jun 2005 Location: Preston, Lancashire Posts: 3,618 Thanks: 7 Thanked 110 Times in 53 Posts Blog Entries: 6 Rep Power: 37	Re: Dell 150i network setup problem We need the storage, not processing power. I'm loath to phone Dell as I'm not in the mood to speak phonetically to a Mumbi call centre.

04-04-2007, 01:40 PM	#4
Geoff Join Date: Jun 2005 Location: Fylde, Lancs, UK. Posts: 9,841 Thanks: 41 Thanked 217 Times in 198 Posts Blog Entries: 1 Rep Power: 64	Re: Dell 150i network setup problem Ok, lets continue on blindly then (I reserve the right to say 'I told you so' though). Lets start with the basics. Mixing iSCSI and generic WAN/LAN traffic is bad for performance. If you can have your SAN and front end server sat on separate wiring that's the best way. Failing that, use a VLAN. You can't have more than one server talking to the same iSCSI target. Therein lies the path to data corruption. Use a front end server and share everything out that way (cluster if necessary). Also, you did install the iSCSI software initiator didn't you? http://www.microsoft.com/downloads/d...DisplayLang=en Finally, you might want to take a look at the TOE implementation on your ethernet card. It or the driver might be broken. Try disabling it.

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Dell 150i network setup problem

04-04-2007, 01:46 PM	#6
paul Join Date: Jun 2005 Location: Longridge, Nr Preston Posts: 140 Thanks: 1 Thanked 1 Time in 1 Post Rep Power: 0	Re: Dell 150i network setup problem As Geoff mentions I would certainly start by putting them on a dedicated switch as my AX100i is setup. Failing all of Geoff's suggestions Ring Dell there enterprise storage support is supprisingly good (based in Glasgow).

04-04-2007, 01:47 PM	#7
paul Join Date: Jun 2005 Location: Longridge, Nr Preston Posts: 140 Thanks: 1 Thanked 1 Time in 1 Post Rep Power: 0	Re: Dell 150i network setup problem Posted before you posted your last! Disregard!

04-04-2007, 02:14 PM	#8
Dos_Box Join Date: Jun 2005 Location: Preston, Lancashire Posts: 3,618 Thanks: 7 Thanked 110 Times in 53 Posts Blog Entries: 6 Rep Power: 37	Re: Dell 150i network setup problem Fixed. Connecting everything into a GB switch and rebooting the SAN worked.

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