Web Hosting Forum | Lunarpages

Poll

Is redundancy important to Lunar and its customers?

Yes
3 (60%)
No
1 (20%)
What is redundancy?
1 (20%)

Total Members Voted: 5

Voting closed: October 09, 2003, 01:46:06 PM

Author Topic: Is there any single point of failure in Lunar systems?  (Read 1699 times)

Offline 1

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Is there any single point of failure in Lunar systems?
« on: September 29, 2003, 01:46:06 PM »
I want and need high availibility.  I think redundancy helps protect and ensure availibility.

Please tell me about any/all redundancy measures Lunar has employed to protect and ensure my Lunar hosted website will stay live even in the event of a failure.

Thanks
A prospect

Offline Max

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Is there any single point of failure in Lunar systems?
« Reply #1 on: September 29, 2003, 02:07:57 PM »
At this point we use single server systems, wich are redundant in the sence of dual power supplies, raid 5 disk sets, dual network cards, dual network routers/switches, dual firewalls, we also peer with a multiple of bandwidht providers and have staff at our datacenter 24/7.

We will be lauching a fully clustered/loadbalanced service in Q1 2004. That will futher improve our already excellent uptime.

Offline 1

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Is there any single point of failure in Lunar systems?
« Reply #2 on: September 29, 2003, 03:11:46 PM »
"single server systems"

Assume server hardware completely fails (has to be replaced) -

How long to get back fully online?
Do you have idle spares for cut-over?  
How do you manage fail-over process?  
Do you use imaging and then restore from tape(s)?  
How often are systems backed up?

"we also peer with a multiple of bandwidht providers"

To me bandwdth redundancy would mean no potential for bandwidth failure.  Is that what you offer?

If one of your multiple providers is down, will my lunar hosted site still be available?

Please tell me more about your bandwidth redundancy.

Do you have some type of uptime tracking system?  
How many hours have you been down (both scheduled and unscheduled) so far this year?

Thanks
A prospect

Offline Max

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Is there any single point of failure in Lunar systems?
« Reply #3 on: September 30, 2003, 06:27:55 PM »
Assume server hardware completely fails (has to be replaced) -

How long to get back fully online?

ANSWER: Within a couple of hours. We have servers standing by. All that is needed is a backup recovery from our online backup storage.

Do you have idle spares for cut-over?  

ANSWER: yes

How do you manage fail-over process?  
Do you use imaging and then restore from tape(s)?  
How often are systems backed up?

ANSWER: We have a temporary storage solution. Everything is recovered from that. Systems are backed up daily at this time.

"we also peer with a multiple of bandwidht providers"

To me bandwdth redundancy would mean no potential for bandwidth failure.  Is that what you offer?

ANSWER: Yes, we use dual oc12 connected to NTT/VERIO, Global Crossing, Tele Globe, Genuity and we peer with many others.

If one of your multiple providers is down, will my lunar hosted site still be available?

ANSWER: Yes. Multiple providers means more than one provider supplies us with bandwidth. Not just one.

If you need an answer to more questions, please email me. max@lunarpages.com

 

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