Technical Staff Blog

Category archives: Scheduled Maintance

Announcements about upcoming scheduled maintenance.

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The certificate for the filemaker server, filemakera.ad.brown.edu, is about to expire.  In order to perform maintenance on the server, all databases on the filemakera.ad.brown.edu have been migrated to filemakerh.ad.brown.edu. The syschange is scheduled for the morning of Thursday, March 9th.  After Thursday, March 9th, the CS ...

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CIS Networking Group Scheduled Network Maintenance:

We are providing this notification that maintenance will be performed to the BC POD between the hours of 6:00 am and 8:00 am on 2/14, 2/15 and 2/16.

During this time, wired, wireless network and IPTV may experience a brief outage lasting less than ...

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ibm-gpfs.jpg Starting at 7am on Wednesday, Nov. 9th, we will be performing rolling upgrades of our departmental GPFS NFS cluster. Each server upgrade can potentially cause a brief 90 second NFS blip for departmental linux machines. We expect the maintenance to be completed by 8am. The compute cluster linux machines and external facing services are not ...

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ibm-gpfs.jpg We will be upgrading GPFS from 3.5 to 4.1 on the CIFS cluster on Wednesday, Oct. 26th, between 7am and 8am.  The cifs.cs.brown.edu server will unstable during this maintenance window .  We recommend users logging out of their managed Windows machine before the 7am, Wednesday, Oct. 26th maintenance window.  

More info ...

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The CIS Networking Group will be swapping out a UPS in the 5th floor networking closet on Tuesday, Oct. 25th, 6am-7am. The networking switches in the closet will loose power during this maintenance.  These switches provide networking connections to southwest section of the CIT building on the 4th and 5th.

The following rooms on the ...

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CIS Networking group is planning to make changes to the 10G switches, cit-cs-r14-sw-1 and cit-cs-r14-sw-2.  The switch config change requires a reboot.  They will be changing and rebooting the cit-cs-r14-sw-1 on Tuesday, June 21st at 5:30am and cit-cs-r14-sw-2 on Thursday, June 23rd at 6:00am.  The GPFS NSD nodes are connected to these switches ...

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EMC_Isilon.png On Saturday June 4th, CIS will be physically moving their EMC Isilon, the hardware that provides file services for the campus. The move is scheduled to commence at 6am and complete around 4pm. We currently have three production services relying on the Isilon: email lists, ownCloud, and time machine backups. In order to keep our ...

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network-2400px.png This was supposed to be a trouble free morning... just power up the switch we moved downstairs yesterday and add our redundancy back in. It seems to be a trend with this project, things not going quite as we planned...

07:14: The second distribution switch was powered on at 7am. Unfortuantely, something happened that ...

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network-2400px.png On May 31st @ 7am CIS will be shutting down one of our two distribution switches and, because it is directly attached, we will be shutting down our backup firewall. Because of redundancy, we do not expect this work to cause any network outages. CIS will spend the remainder of May 31st moving the switch to ...

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ibm-gpfs.jpg Overall, the migration of GPFS to the basement went remarkably well! We lost a total of two power supplies, both failures we could sustain through redundant hardware, and ran into a few bumps along the road, but it could have been a catastrophic failure and sure wasn't. We do have some additional cleanup that ...