= NetDRMS = The NetDRMS system was developed at Stanford. It is a system for managing data. While data can be stored either on tape or disk, in practice outside of Stanford disk storage is generally used. The system has two parts, the DRMS database that holds information about metadata, and the SUMS database that holds information about the actual files that are on disk. 1. [wiki:drmsTerms Glossary of Terms] 1. [wiki:drmsSumRm Managing disk use] with the sum_rm program 1. [wiki:drmsHandyChecks Handy debugging checks] for the DRMS and SUMS databases 1. [wiki:drmsCheckTriggers Checking triggers] that may fetch data in DRMS/SUMS 1. [wiki:drmsSumsGeneral Starting SUMS] and testing if it is running 1. [wiki:drmsSubscribe Subscription and slony logs] - some notes on these 1. [wiki:drmsAscertainSpace Find how much disk space] a series is using 1. [wiki:drmsShowInfo show_info] command 1. [wiki:drmsCheckRecnum Check] if a record number is valid at JSOC 1. [wiki:drmsNamePartitions Naming] SUMS partitions to work with sum_chown 1. [wiki:drmsLeapSeconds Leap Seconds] When a leap second happens, you need to recompile 1. [wiki:drmsGeneralAndHMIissue General description ] of NetDRMS and discussion of some issues 1. [wiki:limitConnections Limiting ] the number of connections from any one IP (using IP tables)