Technical Bulletins

June 24, 2015.
The High Performance Storage System (HPSS) archival storage system at Livermore Computing (LC) imposes a yearly growth-based quota. Reset each year on fiscal year boundaries, the current storage quotas per user are found in this technical bulletin.

Updated 1/7/19. DEPRECATED: This TB has been deprecated because the following utilities are now defunct: hsi2cielo, removed in 2015; hsi2slic, removed 1/23/19. Use scp instead.
May 22, 2015.
Similar to FTP or NFT, Hierarchical Storage Interface (HSI) is a client for communicating with the storage system at Livermore Computing. HSI offers a modest level of concurrency in file transfers, although it does not have the level of reliability of NFT.

May 11, 2015.
To improve file system availability on the Secure Computing Facility (SCF), Livermore Computing (LC) will begin to cross-mount file systems so that they can be accessible from additional clusters.

March 17, 2015.
Livermore Computing (LC) is pleased to announce the deployment of a new 200-TB /nfs/tmp file system on the Collaboration Zone (CZ). The /nfs/tmp file system provides temporary file space on LC production machines.

March 25, 2015.
As a forum to share information and important announcements, the Livermore Computing (LC) users meetings are scheduled routinely to get feedback and, most importantly, to hear from users about how the machines are used and what LC can do to accommodate their needs. This technical bulletin contains the agenda for the next users meeting scheduled on April 23, 2015.

January 23, 2015.
Livermore Computing (LC) now offers two methods for moving files from the Open Computing Facility (OCF) to the iSNSI network. In addition to the existing method using tape technology and computer operator ‘sneakernet,’ a new method available now uses an electronic One Way Link (OWL).

January 15, 2015.
Livermore Computing (LC) now offers two methods for moving files from the Open Computing Facility (OCF) to the iSNSI network. In addition to the existing method using tape technology and computer operator ‘sneakernet,’ a new method available now uses an electronic One Way Link (OWL).

September 16, 2014.
Livermore Computing (LC) recently expanded the capacity and network bandwidth of three of its Lustre file systems—lscratchd, lscratch6, and lscratch7.

April 15, 2014 | UPDATE: This purge policy is superseded by TB#523.
The purge policy outlined herein supersedes the purge policy in Technical Bulletin Nos. 351 and 411. This updated purge policy will go into effect on all of the /p/lscratch* Lustre file systems on the Open and Secure Computing Facilities (OCF and SCF) beginning April 15, 2014.

February 20, 2014.
Livermore Computing (LC) will be retiring a number of older, ldiskfs-based Lustre file systems. The current retirement schedule is found in this technical bulletin.

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