A Cost-Effective, High-Bandwidth Storage ArchitectureGarth A. Gibson, et al.presented by Aran ClausonNovember 3, 2010Garth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 1 / 10Remember 1998...Original iMac Intel Pentium II Compaq233MHz PowerPC 750 0.25µm 333MHz buys DECGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 2 / 10Remember 1998...Original iMacIntel Pentium II Compaq233MHz PowerPC 7500.25µm 333MHz buys DECGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 2 / 10Remember 1998...Original iMac Intel Pentium IICompaq233MHz PowerPC 750 0.25µm 333MHzbuys DECGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 2 / 10Remember 1998...Original iMac Intel Pentium II Compaq233MHz PowerPC 750 0.25µm 333MHz buys DECGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 2 / 10Moor’s LawParkinson’s LawGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 3 / 10Moor’s LawParkinson’s LawGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 3 / 10Garth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 4 / 10Garth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 4 / 10Garth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 4 / 10Garth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 4 / 10Garth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 4 / 10Garth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 4 / 10Garth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 4 / 10Garth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 4 / 10Network Attached Secure Disks (NASD)Direct transfer: Data travels directly from disk to client.Asynchronous oversight: Capabilities issued by server and verifiedby disk without communicating with the server.Cryptographic integrity: Disks provide secure communication andverification of client capabilities.Object-based Interface: Disk store variable length objects (not files,not blocks).Garth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 5 / 10FS StoreGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 6 / 10FS StoreGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 6 / 10FS StoreGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 6 / 10FS StoreGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 6 / 10FS StoreGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 6 / 10FS StoreGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 6 / 10FS StoreGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 6 / 10FS StoreGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 6 / 10Key HierarchyMaster KeyIAdministration key (the one ring)Drive KeyISet with master keyIUsed to create partitions and set partition keysPartition KeyISet with drive keyIUsed to set working keysWorking KeyISet with partition keyITwo versions (Black and Gold)IUsed to sign and verify capabilitiesGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 7 / 10Read PerformanceGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 8 / 10Write PerformanceGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 9 / 10Bandwidth ScalingGarth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 10 / 10ThanksQuestions?Garth A. Gibson, et al.presented by Aran Clauson ()A Cost-Effective, High-Bandwidth Storage Architecture November 3, 2010 11 /