Network Blips in Denver
12:05 AM: We’ve received two reports of selective ISPs or backbones not being able to reach our shared server svensbluff. For the affected viewers, websites on the svensbluff server appear inaccessible by domain name. Although it appears that the sites are “down,” the server is indeed up and the domain names are working for the overwhelming majority of the internet.
Our upstream provider is turning up their new Time Warner connection, and turning off their line at the old data center (Data393). The BGP routers must re-calculate the routing for all connecting backbones. Most ISPs are completely unaffected by this BGP4 reconvergence, but there are a handful — very, very few — who are seeing blips/temporary “outages” for their websites. The reason this is occurring is because the viewer’s ISP does not know how to route to the data center on the new route yet. The BGP4 system is calculating the network and routing changes, and making those new routes “live” at the ISP level, as we speak. More information about BGP and how it works can be seen here.
We expect these interruptions to be resolved overnight.
There may be similar issues on Monday when the data center turns up the Level(3) circuit, and turns off the SAVVIS circuit. The majority of clients will be completely unaffected and see no outages or sluggishness whatsoever.
You can always reach your website via IP address, at http://72.18.145.36/~username where username is your hosting account’s username. The IP address continues to be routeable and live, because the server is still up.
If you have any questions or concerns about this please let us know right away via the Helpdesk. Thank you!!
**COMPLETED** Scheduled Maintenance February 18, 2007
## RESOLVED ## - 6:48 AM Central 02/19/07: The server is back online and running normally. The move is complete. We are up and running in the new data center and expect no further blips, outages, or burps. Thank you!!! Have a wonderful holiday~~
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UPDATE - 5:10 AM Central 02/19/07: The server has arrived at the new data center. There are no problems or issues with the move thus far. Servers are being re-racked and re-connected to the internet, and powered-up as soon as possible. As soon as the server is racked, re-connected and powered up, all websites and e-mail will be back online and functioning normally.
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UPDATE - 10:56 PM Central: The server has been taken offline to be moved to the new data center. Everything is proceeding on schedule. We will update you as we hear more.
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Handy Networks, the upstream provider for shared server svensbluff, is moving to a new data center in Downtown Denver. Our server svensbluff is scheduled to be moved between 10 PM Central Time Sunday, February 18 and 6 AM Monday, February 19, 2007.
The server may be offline for much or all of this time. The server’s being offline during this period is NOT cause for worry or alarm; it means everything is going according to plan.
Previous servers moved by Handy over the weekend have all been back online between 4 and 5 AM, so we are hopeful that our downtime will be shorter than the 8-hour window posted.
If you have any questions during this time, our helpdesk will be online throughout the move, and you are welcome to contact us at your convenience.
Thank you!!!
DCSN Team
Scheduled Maintenance Feb. 12-13, 2007 // POSTPONED
02/11/07 10:16 PM Central: MAINTENANCE POSTPONED – due to cooling system issue at the new data center, the migration of the ’svensbluff’ server to the new data center has been postponed to Friday or Saturday, February 16-17, 2007. We have not been given an exact downtime window yet, but we will post it here, and e-mail all customers, once the new window has been confirmed by our upstream.
Click below for more details about the move and the new facility.
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