SK丹佛机房北京时间25-26日维护通知
以下是官方原文：We will be conducting some major network upgrades on our infrastructure in our Denver facility. This will require some network equipment replacement and soft upgrade on some of our equipments.
We will be doing our best to minimize the service disruptions to our network and our customers, please rest assured this will increase the performance of our systems and provide a more stable robust network for your current and future business needs.
This upgrade will ensure all our internal network infrastructure and uplinks are configured with 10GE links able to withstand extreme bandwidth requirements and rapid upgrades.
We will also take advantage of this time to upgrade our Cloud infrastructure in our Denver facility introducing another storage array to increase the storage I/O performance.
The changes will require the upgrade done on two stages, one upgrading our switching infrastructure, and another upgrading our internal routers.
Tuesday 07/24/2012 3PM MST: Upgrading our switching infrastructure. We do not expect a downtime of more than 10 minutes per switching segment while we re-route cables.
Wednesday 07/25/2012 3PM MST: Upgrading our Internal routing infrastructure, we will be replacing the chassis of our internal routers. We estimate a downtime of about an hour/two hours of our entire network in Denver.
I would like to take this opportunity to thank you for your business with us. If you have any questions or concerns please open a ticket using our helpdesk.
以下是中文翻译：
我们将对丹佛数据中心的基础设置进行一些重要的网络升级，此过程需要更换一些网络设备，同时对部分设备的软件进行升级！
我们会尽量减少服务器和网络的终端，请相信此次维护会给将来的使用和网络的稳定性带来很大的帮助。
此次升级会确保我们内部网络基础设备和上行全部配置为10G的连接，以适应更高更快的带宽需求。
同时我们会利用此次机会，升级我们丹佛数据中心的云服务器的基础设置以及一组磁盘阵列，来提高服务器存储的I/O性能。
操作分为两步，一步是升级交换设备，之后是升级内部路由。
1、 美国山区时间 周二 07/24/2012 15点开始（北京时间 7月25日凌晨1点），升级交换设备。我们估计最多每个区段在割接光缆的时候中断10分钟。
2、 美国山区时间 周三 07/25/2012 15点开始（北京时间 7月26日凌晨1点），升级内网路由，我们会更换我们的底层路由，我们估计整个丹佛机房会有1-2小时的中断。
希望大家给与理解和支持。
第一步已完成，明天第二步！
As of today, July 24, we have successfully completed our 10Gbit fiber cut-over on all of our switches.This was a difficult process which involved reconfiguring many network settings, resulting in slightly more downtime than originally expected.However, the switchover has been completed and we expect no more difficulties at this time.
As a reminder, our Denver network maintenance will be continuing tomorrow, July 25, as we upgrade our Core routing infrastructure to accommodate not only more traffic, but better overall DDoS mitigation in the future.We anticipate this upgrade should result in less than one hour of downtime at 3pm MST.
We do sincerely apologize for the inconveniences these downtimes cause, but they are necessary for us to deliver the fastest, most reliable, and best protected network we can possibly provide at the low costs you expect.And as always, any questions or concerns you may have can be quickly resolved by opening a Help Desk ticket.
We greatly appreciate your patience with our upgrades, and your continued business with SharkTECH!
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