One Cat 5 Cable And 4 Servers
Mar 23, 2007
I have had a few Colo and Dedicated servers but I have decided that the traffic I am getting on my sites warrants using a large setup so I have four servers that I need to colo to one site.
My major question is that when I go colo they generally only supply one Cat 5 cable and what is the best setup to have for a switch/router? Generally you get enough IP addresses to have one per server so my guess is that you can just plug the switch/router in and away you go?
I am going to have one server as a load balancer then two as the load balanced pair and then a database server.
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May 6, 2009
Has anyone worked with the cable companies on internet connections for hosting? Eg. Comcast, TW.
I worked with a sales rep for Comcast a few years ago on a solution for our offices. He worked out a line that would give us 3+mbits up speed for less then the price of a T1.
It also included a dedicated line to our offices. Would using a cable line be a bad idea for a hosting connection?
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Dec 11, 2007
I'm having a hard time finding a source that has the Supermicro CBL-0084L splitter cable in stock. Any suggestions where I could get my hands on about 10 to 20 of these at a reasonable price? Maybe more if the price is right.
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Jul 25, 2009
SoftLayer recently added TW Cable to their BGP mix. However, it is Time Warner Cable, while the ones I usually see is TW Telecom.
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May 11, 2008
We are looking for new network cable labels...
Perhaps something like this:
[url]
What distributor are you guys using for cable management?
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Jun 3, 2008
I know typically at least CAT5 cable is to be used for FE or Gig-E Ethernet links, but can CAT3 cable be used at short distances? I know there is little to none cost difference in the cable price, but I am only allowed to used the preinstalled cable at this location which is CAT3 which is what Verizon typically runs for telephone cables.
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Apr 5, 2007
So we have 10 racks of mess in our custom colo cage. Each rack currently has 20+ servers, most with dual network interfaces hooked up, most racks with two switches and 3+ apc remote power strips per rack. Each rack is an APC 4 post unit [url]
We have no cable management trays and currently tie up cables with velco and zapstraps, trying to keep power cables to the left and cat5 cables to the right. Unfortunately, even with all our effort, it's really turning into a wall of cabling that is basically insulating each rack and causing a temperature issue (or the potential for one at least).
Even worse, we want to add in KVM over IP hooked up on nearly every server. While I see the great benefits of the KVM, I can't see how on earth we are going to make the cabling work out!
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Oct 5, 2009
i was trying to search for reviews on time warner cable and was not able to find any. I would like to hear from ppl using it like what is the quality of bandwidth and what is their pricing structure.
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Apr 24, 2007
I have a Linux Server (CentOS 4.4) running, it has two network cards.
1. Onboard 100MBit (eth0), uses DHCP to obtain IP, this card is the only one that is able to connect to the internet.
IP: 192.168.1.13
Subnet: 255.255.255.0
Gateway: 192.168.1.1
Bcast: 192.168.1.255
2. PCI Gigabit card (eth1), uses static IP, and is connected to my Windows machines via a CROSSOVER cable.
IP: 192.168.2.2
Subnet: 255.255.255.0
Gateway: NONE
Bcast: 192.168.2.255
Before I installed the gigabit card all internet was working fine. However now i cannot even ping? here is some more info:
PHP Code:
[root@node home]# ifconfig eth0
eth0 Link encap:Ethernet HWaddr
inet addr:192.168.1.13 Bcast:192.168.1.225 Mask:255.255.255.0
inet6 addr: fe80::213:20ff:fee9:69de/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:473 errors:0 dropped:0 overruns:0 frame:0
TX packets:462 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:60513 (59.0 KiB) TX bytes:497973 (486.3 KiB)
[root@node home]# ifconfig eth1
eth1 Link encap:Ethernet HWaddr
inet addr:192.168.2.2 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::20c:76ff:fe7d:46/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:15996232 errors:0 dropped:0 overruns:0 frame:0
TX packets:7250441 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1137563077 (1.0 GiB) TX bytes:437192485 (416.9 MiB)
Interrupt:177 Base address:0x2f00
[root@node home]# netstat -nr
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.39.0 0.0.0.0 255.255.255.0 U 0 0 0 vmnet1
192.168.2.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
172.16.123.0 0.0.0.0 255.255.255.0 U 0 0 0 vmnet8
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth1
[root@node home]# route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.39.0 * 255.255.255.0 U 0 0 0 vmnet1
192.168.2.0 * 255.255.255.0 U 0 0 0 eth1
192.168.1.0 * 255.255.255.0 U 0 0 0 eth0
172.16.123.0 * 255.255.255.0 U 0 0 0 vmnet8
169.254.0.0 * 255.255.0.0 U 0 0 0 eth1
[root@node home]#
Im sure its just a few lines I need to change somewhere, just not sure where?
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Jun 26, 2007
I put this in the co-location section since I am co-locating a server that I host a few Websites on. The server is located in the Pacfic Northwest at a hosting company out there. As you may know, this is a "more remote" area of the United States.
Today, the company lost all Internet access when a Fiber optic cable went down. Not only was my stufff down but the entire hosting company was down. In 10 years of doing Internet development, I have never seen this happen to any hosting company I have worked with no matter how good or bad they were. On top of that, it happened one time last year as well.
According to my co-location provider, the problem happened a long way up stream. SO far that the lines cannot be backed up. Is this true? Could a fiber optic cable fail at some point where it cannot be switched over to another line?
I don't know if I should I believe that or not. It would seem to me that it is a matter of money and they may not have a back-up system in place if the pipe goes down. Is it possible? Who's fault is it?
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Jun 29, 2007
Should i use a filber cable line for hosting server?
and which methods to security my hosting server such as : which Firewall, ANti-virus, ..?
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Feb 19, 2007
I have a laptop and redhat box. The laptop has wireless card and connected to internet using wireless router. Can I connect to redhat box to laptop using cross over cable and use internet? If so, how can I do it?
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Jun 16, 2008
if anybody know the cable pin out on making a console cable using those serial adapters?
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Apr 18, 2008
Can I just get a DSL line or a cable modem and host the site or my own computer?
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Jun 12, 2007
if anyone have experience with remote MySQL server setup
I have 2 servers in the same datacenter, 1 serve as web server, and 1 serve as mysql server.
would my remote MySQL server slows down my site load if it's not connected through cross cable? it's on the same datacenter though
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Jun 19, 2008
Like the title says it: Is there anywhere in the bay area where I could colo a box and get a cable tv feed without paying an arm and a leg? Nothing illegal going on here either
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Jan 20, 2007
I have a lot of questions here so if you can't answer them all I understand. even pointing me somewhere where I could get the answers would be appreciated; hardware sites focusing on server hardware, forums focusing on such, etc.
we plan to have three different types of servers:
- db server (self explanatory. mysql. for forums, mysql driven sites.)
- file server (lots of files around ~2-10MB, consistant 70mbps right now, but we want more room for upgrades. needs a LOT of storage room.)
- web server (lots of php files, but also static things like plain html, images, etc. also includes all misc services for the setup-- dns, etc.)
could I be given a rundown for which hardware each of the three should have? I don't need specifics, even just knowing that more ram is important here while cpu doesn't matter as much, or that the fastest disks available are a must, etc would all be valuable info for me. despite that, I certainly wouldn't mind specific hypothetical hardware configs.
for the database server I'm assuming the more ram the better. not entirely sure about the cpu? also not positive on disks...
for the fileserver, how much ram would be practical or useful? disk io will be an issue I'm because plenty of people will be pulling files at once so the disk needs to read from multiple places. scsi (and even raptors) are not an option as we need 750GB+ of space on a reasonable budget. more ram will take some load of of the disks, but how much is neccessary / reasonable?
for the web server I'm assuming cpu first, then ram, but it'll likely need less ram than the db server?
I'm more lost on the disks than anything. scsi on the fileserver is not an option under any circumstances due to $/GB. for the db & web server I'm willing to pay for scsi if the performance increase really does warrant the extra money, but I'd like to be convinced before shelling it out. if you have benchmarks geared at server hardware when it comes to disks I'd really appreciate it.
also, what's the best way to network these together when colocated? each one with a dual gigabit ethernet port and then the communications go to and from the router?
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May 24, 2008
We send mail to another servers but we cant recieve mails another servers. We can't recieve with webmail and outlook.
I look logs but there is no error and our ip is not in blacklist.
there is the error in our server
[url]
linux cpanel centos 4.6
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Mar 28, 2008
I was wondering if it is possible to cluster 2 web servers and 2 mysql servers with only one server working as load balancer.
I am planning to use LVS (ldirectord and heartbeat).
Let's say I have 3 IPs allocated to the load balancing server.
111.222.111.222 (Main IP)
111.222.111.223 (Web Load Balancing IP)
111.222.111.224 (MySQL Load Balancing IP)
If a connection is made to .223 it would pass the request to one of the web nodes.
If a connection is made to .224 it would pass the request to one of the MySQL nodes.
Is it possible to do this?
If not, can I run, for example, nginx on 223 IP address to provide forward proxy? (Then it would not be able to HA but the main point is to load balance so)
Also, what would be the best way to keep the data same on both web servers? This is a web cluster for a very high traffic forum with a lot of uploads every hour so it has to do real time synchronization. I heard that DRDB is only one way and not two way so I'm not going to be able to use this.
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Oct 11, 2009
I am just colocating servers and managing them myself, and renting services off of them. In the future I would like to start offering dedicated servers as well. I am wondering if many companies do this, or if its more of a general practice to just setup as a reseller? The worst part that comes to mind is thinking of how to do billing for the bandwidth per month. With my setup I would only be offering flat bandwidth packages (like 2TB a month) but even so, I cant think of anyway to automate it so WHMCS knows if they went over, if so, how much, etc.
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Aug 15, 2008
What would give me the best performance, to have many low end servers (core2duo) or a few high end servers (quad cores, dual quad cores).
Running everything from mysql queries to video streaming.
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Aug 13, 2008
Is it possible or advisable?
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Jun 22, 2009
AVR or Automatic Voltage regulation. How serious of a consideration is that to old Dell 2650 and Compaq 1850R servers?
Can I get by with a short daisy chain of simple APC battery backups mostly surge protection on one dedicated house breaker?
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May 13, 2009
Wanted to start that thread today and just noticed that not only I wonders
[url]
So the question is: where can we rent servers with SAS drives in Europe?
2 or even 4 SAS HDDs (15k RPM) are really cute and we want them
Please, provide me with links with nice offers like:
[url]
[url]
(New prices are not good - [url]
netrouting.eu (only desktop CPUs atm)
...
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Aug 6, 2009
I have recently purchased new hosting with a new supplier which uses a different kind of control panel - cpanel. So before I transfer our organisations website across I want to spend some time playing.
We purchased our domains with 123 reg and the host we have been using for a while is namesco our new hosting package is with neither of these suppliers.
Before I transfer our primary domain to the new host I'm doing a dummy run with one of our other domains and that's where i've come up with this name servers question.
The new host gave me the name of their 2 name servers.
But when I went to my control panel at 123 reg to change the name servers they were not using namesco name servers they were using 123's.
Do I want to change the name servers to the new name servers or not? I'm a bit confused as i was expecting to see namesco names servers?
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Nov 19, 2008
I'm currently using the ones my registrar offers (Domain Site). But it just happened that they had an outage (they were down for a few minutes).
I'm looking for a more reliable solution. I could get dedicated servers where I'm hosting my servers, and I could also get services (like UltraDNS).
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Dec 11, 2008
Is that possible to have ns1.mydomain.com ns2.mydomain.com
Two differnet severs that means each having two different IPS?
If so how?
the reason I ask is that I see a lot of hosting companies have thousands of users and many severs but they all ask their customers to point only to two name server ns1 and ns2
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Jul 22, 2008
If you are located in the UK: Which manufacturers/sellers for dedicated servers can you recommend?
So far, I am sympathising with Dell. Any other good opportunities in a similar price range?
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Aug 16, 2008
i want to run a new server with centos with whm/cpanel,
i look for many articles about it on the internet,
i find some points for the setting,
install centos
install whm/cpanel
install csf
configure whm
change the ssh port number
tune http
tune mysql
set backup
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Jul 4, 2008
Say you are renting 2 (or more) dedicated web servers. How do you go about getting it so that www.yourdomain.com goes to one of the web servers? Do you need a 3rd server to redirect the request, or what?
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Jun 5, 2008
if anyone had a recommendation on where to buy a decent used server (Just for DNS Purposes). Anywhere other than ebay? Anywhere local in the Greater Seattle/Everett/Tacoma, WA Area?
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