ITS Service Status

ITS Service Status Report

Scheduled Maintenance — Resolved

Storage Cable corrections make future expansions non-disruptive (MACC and ASB)

Services Affected: Mainstream Storage; Value Storage; Ctools T&L non-PROD

Start Time: 03/28/2015 11:00 pm

Maintenance Completed: 03/29/2015 2:01 am

Issue Symptoms: Outage

During the window of this outage there will be no access to the listed shares while the systems are offline for physical re-cabling.

Technical Details

Service Type: Production

Server Name: its-opal.adsroot.itcs.umich.edu, its-topaz.adsroot.itcs.umich.edu, phoenix.ifs.umich.edu, herald.ifs.umich.edu, pacifica.ifs.umich.edu,hood.ifs.umich.edu

Comments:

NetApp Cross Cluster needs cable updates to allow for better non-disruptive future expansions.
NetApp Greenburg Cluster needs cable updates to allow for better non-disruptive future expansions.

Re-cabling is anticipated to only take 2-4 hrs per cluster. We will have staff at both sites to coordinate completion in parallel.

*This will be a full outage of the following services: Value storage, Mainstream and MiWorkspace, College of Engineering-Engineering lab home drives, Ctools T&L non-PROD.


This is the complete list of all affected shares is located in the Google Doc @ https://docs.google.com/a/umich.edu/spreadsheets/d/1WwUA0QheoYWly9KullMTLmxm-KXeUtgm_xPN9CMrMAM/edit?usp=sharing

11:30pm - Cross cluster is down currently, Value Storage at ASB is offline.
11:50pm - Greenbug Cluster is down currently, Value Storage and Mainstream are offline as planned

12:45am - Cross cluster at ASB is back online.. Value Storage back online.

1:30am - Greenburg cluster at MACC is back online.

Groups Notified:

  • fln
  • its.system.support.vsi
  • its.system.support.unix@mich.edu
  • its.is.wi
  • its.enterprise.storage

Report Additional Impacts

Contact the ITS Service Center for more information or to report additional impacts.