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Network pics thread

Right?

Amazing that Dell managed to put together a switch that, you know, actually did the job so well that replacing them is actually a hard thing to do.


Jay_oasis said:
what switches are you using for your SANs also are the DBs on the SANs as well?
Click to expand...

The iSCSI switches are Cisco Catalyst 2960G's. The DBs are on the SAN as well. The Compellent servers up VM storage and the NetApp serves up DB LUNs.


RiDDLeRThC said:
I'm sure the colo loves you for putting 1U between the servers like that.

luckily our colo isn't that bad, they will fill big open gaps but not little ones like 2-6U. The racks also get pretty decent airflow into them from the cable access hole in the bottom so our switches are behind a blanked out panel but the still stay cool.
Click to expand...

No kidding. I had the space to spare, so I gapped them since it makes working on them easier. If I'd known blanking panels were coming, I'da mushed them all together. Well, If I'd known blanking panels were coming, I would have set up the network stack differently as well. Now I have to figure out some way of ducting some air back to the switches directly.
 
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Why is it their choice on the filler panels? You PAY them to rent space.. Who care's what you do with it as long as you pay the rent and stay with in the means of power, Tell them to stay out of your shit
 
calvinj said:
Why is it their choice on the filler panels? You PAY them to rent space.. Who care's what you do with it as long as you pay the rent and stay with in the means of power, Tell them to stay out of your shit
Click to expand...

Yea this would not fly in my organization.
 
nitrobass24 said:
Yea this would not fly in my organization.
Click to expand...

Maybe I'm a few degrees off here, but I can see filling all 42u's in shared colo space, but in a cage come on.. I know agrikk situation is unique in their setup, but at the end of the day I assume they pay the rent, pay it on time in full, and aren't killing the demands of their agreement. What does it matter if they do with the space...
 
calvinj said:
Why is it their choice on the filler panels? You PAY them to rent space.. Who care's what you do with it as long as you pay the rent and stay with in the means of power, Tell them to stay out of your shit
Click to expand...


well..your messing with their cold aisle..that`s why.

some colo location are really picky about this. In our DR site, we can't even install a switch backward if it doesn`t have reversed airflow. So I'm using some APC organizer with a pass-through.

typical of tier-3 and tier-4 DC.
 
Here is some cool stuff I have been working on this past week.

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Looks like a T710, dont think they have the built in flash drive option.

*EDIT*

It is a T710 it says so on the ESXi screen :D
 
TheFriskyPen said:
Some Dell servers have redundant SD cards that dell will load ESXi onto from the factory.....

just a idea. not sure...
Click to expand...

I know what dell servers have and don't have, im certified on all of them.

Jay_oasis said:
Looks like a T710, dont think they have the built in flash drive option.

*EDIT*

It is a T710 it says so on the ESXi screen :D
Click to expand...

I wonder if he is running it via usb or not....
 
The T710 is an ESXi host on the internal USB header.

The 2800 is going to be Server 2008 Enterprise as a file server.
 
We are running 25+ hosts on USB drives and so far no issues. Saves on our power usage in the data center.
 
RiDDLeRThC said:
We are running 25+ hosts on USB drives and so far no issues. Saves on our power usage in the data center.
Click to expand...

all your host's are on usb ? never heard of that, ive only heard of running esxi of a usb stick, and the hosts are on the hard drives in the server ( in some kinda raid config )
 
sam-sgc said:
well..your messing with their cold aisle..that`s why.

some colo location are really picky about this. In our DR site, we can't even install a switch backward if it doesn`t have reversed airflow. So I'm using some APC organizer with a pass-through.

typical of tier-3 and tier-4 DC.
Click to expand...

Yep. Quite a few are even more stricter than this... it typically comes with more higher end facilities and higher tiered facilities which have a lot more riding on the SLAs in terms of compensation and liabilities. We even have a SLA based on cooling temperatures and cooling availability, so controlling the air flow is critical.
 
My guess would be that if there are that many hosts then there is clustering and shared storage involve, too. I would hate to manage a nightmare of 25 hosts all with local VM storage...
 
Captain Colonoscopy said:
My guess would be that if there are that many hosts then there is clustering and shared storage involve, too. I would hate to manage a nightmare of 25 hosts all with local VM storage...
Click to expand...

either im reading this wrong or im confused, it could be both ?

So when you do this you do :

esxi on a thumb drive, with raid drivers installed to see the storage ( locally ) and store your vm's on that ? yes no bad good ?

If not, then what's the porpose of having hdd's in the host server ?
 
calvinj said:
Why is it their choice on the filler panels? You PAY them to rent space.. Who care's what you do with it as long as you pay the rent and stay with in the means of power, Tell them to stay out of your shit
Click to expand...

They did it company-wide to improve hot-aisle / cold-aisle airflow and it really made a difference in the whole colo and I'm sure improves their cooling efficiency and reduced power load. (Of course they don't pass that through to us, but I'mm all for energy conservation...)

It's an inconvenience to be sure, but overall it's for the best and I'm going to talk to my rep about some solutions to my heat and power problems caused by this change. I figure they made they change, they need to fix it.

It will probably be something simple like removing the top blanking panels of the network stack to promote airflow to the gear.
 
Can you change up the switch gear? Like where its located
 
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dashpuppy said:
either im reading this wrong or im confused, it could be both ?

So when you do this you do :

esxi on a thumb drive, with raid drivers installed to see the storage ( locally ) and store your vm's on that ? yes no bad good ?

If not, then what's the porpose of having hdd's in the host server ?
Click to expand...

Perhaps you'll figure that out at your EMC training...
 
Just got this cheap from a good friend today.
Going into my new PC build.
Getting some LACP lovin'.
A tiny thing to most of you, but pretty cool to me!

E1G42ET
e1g42et_small.jpg
 
dashpuppy said:
either im reading this wrong or im confused, it could be both ?

So when you do this you do :

esxi on a thumb drive, with raid drivers installed to see the storage ( locally ) and store your vm's on that ? yes no bad good ?

If not, then what's the porpose of having hdd's in the host server ?
Click to expand...

No local stoage, all SAN storage. I have no reason for hdd's in the host servers. Everything is connected via iSCSI.
 
RiDDLeRThC said:
No local stoage, all SAN storage. I have no reason for hdd's in the host servers. Everything is connected via iSCSI.
Click to expand...

very simular to my setup. All my vm's are over iscsi stored on my storage server.

However i run hyperV on my host server with it's os running on my raid setup.
 
calvinj said:
Can you change up the switch gear? Like where its located
Click to expand...

I could, but that would mean redoing all of my cabling. Since my network gear is mounted on the back, I'd have to move it to the front of the cabinet to get air and that would require all new (and longer) network cables.

Obviously, I'd rather not do that.
 
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