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JGI Computational Resources Quarterly Maintenance Tuesday August 14, 7AM - 6PM

August 3, 2012

Dear JGI Community,

It is now getting close to the quarterly maintenance of the servers, shared filesystems, and HPC clusters operated by NERSC, which is scheduled for all day on Tuesday August 14, 2012.  This maintenance will include a shutdown of the /house and /ifs Isilon filesytems which means that some of your desktop systems may not function as they usually do.  If you have a Linux workstation, your home directory is most likely hosted on /house and you may not be able to successfully login.  Windows and Mac users will be less effected by this maintenance - though will still be unable to access files and folders hosted on /house.  There will be a period of network maintenance which will disable network connectivity between NERSC and JGI, during that time some JGI websites may be unavailable.  Also, some of the JGI websites may be affected by filesystem changes throughout the day.  
The High Performance Computing clusters, genepool, phoebe and kronos, will be unavailable throughout the day on the 14th.  Jobs that are submitted and queued but cannot run before the maintenance will be retained and scheduled to run afterwards.  To determine the maximum time limit for a job to run before the maintenance - type "countdown" on your genepool or gpint prompt.
You are welcome to email NERSC at if you have any questions about the maintenance, or its affects on your work.
Doug Jacobsen
NERSC Bioinformatics Computing Consultant

Planned Maintenance Schedule
Genepool Cluster (8:00am - 6:00pm August 14, 2012):
OS and UGE upgrades, also offline through /house maintenance

Isilon (8:00am - 4:00pm August 14, 2012):
Access to the Isilon (/house) will be interrupted for approximately 8 hours while the operating system is upgraded.

/home/public_web relocation (9:00am - 9:30am, 4:00pm - 6:00pm August 14, 2012):
Several JGI websites will be temporarily impacted by the 9-9:30am network maintenance, and down for docroot relocation to House. 

Server Moves (7:00am - 6:00pm August 14, 2012):
The following systems will be physically relocated from JGI to OSF:
sdm-dev, zome-private, rqc-dev, portal, sdm-prod, rqc-sdm-edge1, gp-next, gp-edge3, rqc-sdm-edge2, rqc-prod, gp-edge4, jel, anu

Network Maintenance (9:00am - 9:30am August 14, 2012)
All JGI <-> NERSC traffic down
Public traffic to gp* down

Misc Server maintenance (8:00am - 6:00pm August 14, 2012)
dover, gpint05, gpint21, iceland