User:Chris Tyler/Fedora ARM Infra Redesign

This is a draft only!
It is still under construction and content may change. Do not rely on this information.

Design Meeting 2011-12-01

It is apparent that the Fedora ARM build farm infrastructure needs to be upgraded to increase storage throughput, IOPS, and network utilization.

Current Arrangement

• HongKong
  • Hardware:
    • Intel Core i7 Quad
    • 4 x 2TB disk
    • 2 x 128GB SATA SSD
    • 12 GB RAM
  • Hosting:
    1. Koji Web
    2. Koji Hub
    3. NFS export of /mnt/koji
    4. Kojid for createrepo channel
    5. DHCP & NAT for builders

• Australia
  • Hardware:
    • Intel Q660 Quad
    • 2 x 1TB disk
    • 8 GB RAM
  • Hosting:
    1. NFS export for builder scratch space

• Ireland
  • Hardware:
    • Intel Q6600 Quad (?)
    • 8 GB RAM
    • 2 x 2TB disk
  • Hosting:
    1. Sigul signing server (in VMs)

Recommended Reallocation

• HongKong
  • Storage:
    • 4 x 2 TB in RAID 0+1
  • Hosting:
    1. Koji Web
    2. Koji Hub

• Australia
  • Storage:
    • 4 x 2TB in RAID 0+1
    • Consider expansion to 8 drives
  • Hosting:
    1. NFS export for builder scratch space

• Ireland
  • Storage:
    • 2 x 128GB SATA SSD
    • 2 x 2TB disk in RAID-1
  • Hosting:
    1. Postgresql DB

• Chile (move from Raspi cubicle)
  • Storage:
    • 4 x 2TB disk in RAID 0+1
    • OR 2 x 2TB disk in RAID 0+1, plus 1 RevoDrive 3 x2 [MaxIOPS] 960G, with plans to add another RevoDrive in 2012, plus possibly some of the 1TB drives taken from Australia for local backup of the SSD (possibly RAID 1 with writemostly)
  • Hosting:
    1. NFS export of /mnt/koji
    2. kojid for createrepo

• Possible Future Directions
  • Move koji-web to a separate host (Japan? OpenRD?)
  • Add additional createrepo builders (Japan? NewZealand?)
  • Move NFS activity to guruplugs (they're weak builders, but have good disk I/O (eSATA), could use multiple NFS servers with each supplying scratch space to one group of v7 builders)

Scenarios for Quotation

Bold indicates most likely scenarios

• Scenario 1
  • 6 x 2TB disk (4 for Australia, 2 for Chile)
  • 2 x NIC

• Scenario 2
  • 16 x 2TB disk (8 Australia, 6 Chile, 2 spares)
  • Multi-port SATA cards for Australia, Chile
  • 2 x NIC

• Scenario 2.5
  • 6 x 2TB disk (4 Austrlia, 2 Chile)
  • 1 x RevoDisk 3 x2 960GB (Chile)
  • 2 x NIC

• Scenario 3
  • 10 x 2 TB disk (8 Australia, 2 Chile)
  • Multi-port SATA card for Australia
  • 2 x RevoDisk 3 x2 960GB (Chile)
  • 2 x NIC

• All cases add:
  • 5 Workstation NICs
  • Serial USB adapters