Blog

Articles tagged: sysadmin

Return to blog archive

Posted by John Cottrell (June 27, 2014)

Spring clean your mascot.dat

Updates to Mascot 2.5 will be going out shortly. When an existing installation is updated, settings in the options section of mascot.dat are only modified by the installer in exceptional cases. The assumption is that any changes have been made with good reason and should be honoured. The down-side of this approach is that values may be persisted that are [...]

Full article and comments form

Posted by David Creasy (June 17, 2013)

Backing up your Mascot Server

The demise of Tranche, last year, with reports that 80% of the raw data ‘safely held’ there has been permanently lost, should be a wake-up call for many laboratories to consider their back up strategy. It’s very hard to get reliable data for the annualised failure rate (AFR) of disk drives, but most estimates suggest around 1.5% of drives will [...]

Full article and comments form

Posted by John Cottrell (February 1, 2013)

Don’t get stuck in a queue

Mascot Server doesn’t queue searches. This isn’t because we can’t be bothered to write the code. Its because we don’t believe queuing would improve performance or usability. The times taken for individual searches cover a very wide range. A PMF or a small MS/MS search with few variable modifications and tryptic specificity might take seconds. A large MS/MS search of [...]

Full article and comments form