System information

Ticket based support at Lunarc

 

2005-10-25 Network Problems on Docenten

A bad driver for the network cards on Docenten nodes is causing job failures

2005-10-28 Dual Nodes on Docenten

10 nodes on Docenten have two processors and jobs can now be schededuled to run on both.

Updated Compilers

New modules for the Intel compilers version 9.0 and for the Portland Group compilers version 6.1 have been added on Toto7, Sigrid, and Docenten.

SIGRAD 2005: Mobile Graphics

23-24 November SIGRAD'05 conference at Kårhuset and IKDC

New SMP Resource

The new smp machine, sweet16.lunarc.lu.se, is now available for lunarc users.

Lunarc Användarmöte

 

Whenim64 Joins Toto7 Again

The nodes from Whenim64 are back in the joint Toto7/Whenim64 queue, but the Toto7 part is not entirely healthy.

2005-11-25 New Disk Quotas on Docenten

Disk quotas have been set to 20 GB per user for /disk/global1 and /disk/global2 on Docenten. Users exceeding this limit have a week to reduce their disk usage or ask for a larger quota before writing will become impossible.

New lunarc switch

 

New Newsletter

A new newsletter is available.

Toto7 Reduced

The Toto7 nodes with bad disk performance have been removed from the batch system, because there are also problems with normal operations related to the lower performance.

System maintainance Toto7/Whenim64 (LDC, from Mar 27, 2006 08:00 AM to Mar 31, 2006 04:00 PM)

Toto7 and Whenim64 will be upgraded from RH7.3 to CentOS 4.2. Two new fileservers will also be installed, serving /disk/global1 and /disk/global2

Toto7 Ready

The upgrade of Toto7 is ready and can be used again.

Sweet16 Maintenance

 

Sweet16 Scheduled Stop

Sweet16 will be unavailable June 7-9, because of maintenance.

Sweet16 maintainance (LDC, from Aug 31, 2006 08:00 AM to Sep 01, 2006 04:00 PM)

Sweet16 will be down for maintainance thursday through friday.

Sigrid maintenance (LDC, from Jun 12, 2006 08:00 AM to Jun 16, 2006 05:00 PM)

Sigrid will be down for maintenance from 12/6-16/6.

Sweet16 maintenance (LDC, from Jun 07, 2006 08:00 AM to Jun 09, 2006 06:00 PM)

Sweet16 will be unavailable due to maintenance 7/6-9/6.

Sigrid upgrade complete

 

Sweet16 Maintenance (from Nov 01, 2006 08:00 AM to Nov 01, 2006 05:00 PM)

Sweet16 will be unavailable. Queued jobs will be preserved.

Toto7 and Whenim64 retired

 

Sigrid unplanned outage

 

IBM levererar beräkningskluster till Lunds universitet och Chalmers tekniska högskola

 

Sigrid Maintenance

 

ARC grid client installed on Docenten

 

Sweet16 Maintenance (from Nov 16, 2006 08:00 AM to Nov 16, 2006 05:00 PM)

Sweet16 will be unavailable. Queued jobs will be preserved.

Sigrid storage problems

 

Sigrid update complete

 

Problems with Sigrid file server

 

Sweet16 Maintenance

 

The course "Parallel Programming Techniques " has been postponed until April

The lecturers from Umeå has been forced to move the start of this course from the announced dates (2007-02-12) to the start of April. Exact dates will be announced later.

Sigrid fileserver problems

 

Docenten network failure

Half of Docenten was temporarily unreachable due to a combined failure of switches and nodes.

Sweet16 Maintenance

On Wednesday 2007-01-17, Sweet16 will be unavailable due to maintenance.

New System Available

The new system Milleotto is now open for Lunarc users.

Problems with Sigrid solved

 

Disk full on Sigrid during the weekend

 

Milleotto /disk/global hanging

Individual directories in the tree of /disk/global on Milleotto are not responding and any processes operating on these directories are hanging.

Planned Shutdown of Docenten 27/3

On Tuesday March 27, Docenten will be taken out of service for some hours.

Storage system malfunction

 

Sigrid available again

 

Sigrid file server problems

 

Sigrid DOWN

 

Login temporarily unavailable

The login server will be temporarily shutdown in the morning of Friday March 30.

Milleotto /disk/global unreachable

The problems with /disk/global on Milleotto have returned.

Clusters back to normal

The cooling system at the computer centre is working again and the cluster nodes are up and running.

/disk/global back, jobs gone

The problems with /disk/global on Milleotto have been fixed for now, but at a cost.

Sweet16 Unavailable

All Sweet16 nodes have been sent to the supplier for repair.

Cooling System Down

The cooling system at the computer centre has unexpectedly stopped working and the Lunarc systems have been powered off.

/disk/global back, jobs gone (again)

/disk/global on Milleotto has been restored, but at the cost of most jobs

New Milleotto /disk/global hang

/disk/global on Milleotto has been hung again and releasing it caused the loss of many jobs.

Milleotto queue temporarily stopped

The queue on Milleotto has been stopped to prevent damage to oncoming jobs during a node-by-node cleanup of /disk/global.

Milleotto is back in service

 

Milleotto is back to normal

 

Milleotto login node down

 

SNAC survey

 

Milleotto queue corrupted

Queue-system clients on many Milleotto nodes have been corrupted.

Parallel Problems on Milleotto

Pass-thru modules keep failing, killing parallel jobs, but a solution is in sight.

New Version of MKL

Version MKL 10.0 is available, but not default.

Massive communication failure on Milleotto

No less than four pass-thru modules have failed since yesterday, affecting many parallel jobs

Docenten Maintenance Postponed

The previously announced maintenance will take place at a later date

Exchange Completed on Milleotto

All remaining old pass-thru models have been replaced with new ones

Milleotto Maintenance March 4-6

Milleotto will be unavailable March 4-6 due to maintenance.

Slow Communications

A communication problem has occured affecting all Lunarc systems

Communication Problem Solved

The root of the problem was indeed a failed firmware update for a blade-center switch

Milleotto Maintenance Extended

Unfortunately, the maintenance of Milleotto has to be extended to the morning of March 7.

Milleotto Back Again

The maintenance of Milleotto is now complete.

Docenten Maintenance

Docenten, including /disk/global1 and /disk/global2, will be unavailble from May 23 and possibly until May 30.

Docenten Is Back

The maintenance of Docenten is finished and normal operations have been resumed

Network Down

The network to Milleotto and Siri is down, which also affects Docenten.

Docenten Workaround

A workaround has been implemented to stop Docenten from hanging on login during the network outage of Milleotto and Siri

Network Up

Milleotto and Siri can talk to the world again

Milleotto Internal Network Hang

Several nodes within Milleotto lost their network due to a problem with the DHCP server

Slow Response on /disk/global

/disk/global om Milleotto has very long response times recurringly

Docenten to be Decommissioned

Docenten will be shutdown permanently on February 16, 2009.

Docenten Permanently Unavailable

Docenten is no longer available for running jobs

Milleotto Maintenance

As previously announced, Milleotto has been made unavailable until Monday 23/3 17.00.

Scheduled Powercut

The Lunarc systems will be unavailable on April 28-29.

Milleotto /disk/global full

The maximum number of files on the filesystem was reached intermittently

Milleotto - job submission problem fixed

A file system error caused job submission to fail.