We have scheduled an emergency maintenance to restore a redundant link on an aggregation device that was previously causing performance issues. The optics for this link have been replaced and link stability tested to ensure stability.

Date: Friday, April 27th, 2018
Start Time: 1:00 AM CDT (GMT -5)
End Time: 2:00 AM CDT (GMT -5)

Maintenance Scope: chi01/02 Network Resources

Customer
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We have scheduled an upgrade of our R1Soft Server Backup (formerly Idera Server Backup or R1Soft CDP) platform software on cdp01.steadfast.net to version 6.6.1.  This upgrade fixes a number of bugs.

This upgrade is being performed during the daytime, mid-week, because it is the lowest utilization period.

Date: Tuesday, March 20th, 2018
Start Time: 1:00 PM CDT (GMT -5)
End Time: 2:00 PM CDT (GMT
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We have scheduled a software upgrade of our SAN infrastructure in Chicago, IL. This is purely a backend upgrade and does not change interactions with client environments.

Date: Sunday, March 11th, 2018
Start Time: 1:00 AM CST (GMT -6)
End Time: 4:00 AM CDT (GMT -5)

Maintenance Scope: Hybrid Performance SAN (350 E. Cermak Chicago)

Customer Impact:

There is no expected impact during this maintenance as our SAN infrastructure is fully redundant. While we
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Note: On May 21st, 2018 an additional vulnerability identified as variant 4, called Speculative Store Bypass, was disclosed as CVE-2018-3639.  Mitigations for variant 4 are not discussed in this advisory.

We are aware of a new series of issues affecting all modern CPU models which can allow for applications to potentially access information and execute code that should not be allowed.  Some reports of
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We have scheduled maintenance to our NetApp SAN storage platform to replace a faulty controller card.  The NetApp SAN is used to power the storage for our Xen Public Cloud and customer accessible SAN services hosted out of chi18. This maintenance does not affect the Datera SAN hosted in chi02.

Date: Sunday, December 17th, 2017
Start Time: 12:00 AM CST (GMT -6) 
End Time: 3:00 AM CST (GMT -6)
Maintenance
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Update 4:50 PM CST: It appears that the Comcast issues have been largely resolved at this time.  Based on the information we were able to monitor throughout the day, it appears this issue likely affected major backbone provider Level(3) and a variety of internet service providers that use Level(3) for parts of their national networks.  Comcast was more substantially affected by the events due to the very large number of end users and apparent significant reliance on
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