GLOS DMAC Hardware

As of November 2018, the GLOS DMAC infrastructure consists of 20 servers (three physical and 16 virtual machines) split between the Oregon Region of Amazon Web Services (four virtual cloud instances ) and a half rack co-located at the Ann Arbor 1 location of Online Tech (two virtual hosts with a total of 13 virtual machines and three dedicated servers).

Amazon Web Services

The four instances are hosted in the Oregon Region of Amazon Web services, and are currently managed through LimnoTech’s AWS account:

• glatos.glos.us – t2.medium Windows/IIS reserved instance expiring Feb 2019
• glbuoys.glos.us, glbuoys-dev.glos.us – t2.micro on-demand Amazon Linux instances
• HecSpill THREDDS server – t2.medium on-demand Amazon Linux instance; also hosts (experimental) HABs forecast image translated to netCDF

OnlineTech Ann Arbor 1

• Mom – Dell PowerEdge R720 / VmWare virtual host for db1, gateway, gn25, process, process1, thredds, web1, wms
  • db1: PostgreSQL host for OBS DB
  • gn25: GeoNetwork, Point Query Tool, 52N SOS
  • process1: Data ingestion
  • tds: THREDDS
  • wms: sciWMS (deprecated), HABs portal
• daughter – Dell PowerEdge R730 / VmWare virtual host for db2, mon, myglos, hecspill, web2
  • db2: MySQL server for GeoNetwork
  • myglos: host for data.glos.us/portal and /boaters
  • hecspill: host for HEC spill portal
• nfs – Dell PowerEdge R320 NFS server connected to Dell PowerVault MD1200 DAS/NFS
• backup.glos.us – HP Proliant DL360 G7 Windows Server connected to HP MSL 2024 Tape Library
• michigan – Dell PowerEdge 2950 server acting as FTP server, also hosts Maumee River tributary viewer and experimental ice cover viewer.

All of the servers and peripherals in the OnlineTech rack are at or past standard end-of-life (e.g. seven years old or older) except “Mom”, which was purchased in 2016. There are also miscellaneous support peripherals, including switches.