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Intermediate write operation dispersed storage network frame

  • US 9,244,879 B2
  • Filed: 02/18/2014
  • Issued: 01/26/2016
  • Est. Priority Date: 04/26/2010
  • Status: Active Grant
First Claim
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1. A method for a processing module of a computing device to execute write request operation, the method comprises:

  • generating a plurality of write requests, wherein a write request command of the plurality of write request commands includes a payload and a protocol header, wherein the payload includes one or more slice payload sections, and a transaction number field that include a transaction number corresponding to the write request operation, and the protocol header includes a payload length field, an operation code field that indicates write operation, and other protocol header fields;

    when responses to the plurality of write requests are favorable, generating a plurality of write commit requests, wherein a write commit request of the plurality of write commit requests includes a commit payload and a commit protocol header, wherein the commit payload includes the transaction number and the commit protocol header includes a request number field, a commit payload length, the operation code field that indicates write commit operation, and the other protocol header fields; and

    when responses to the plurality of write requests are unfavorable, generating a plurality of write rollback requests, wherein a rollback request of the plurality of rollback requests includes a rollback payload and a rollback protocol header, wherein the rollback payload includes the transaction number and the rollback protocol header includes the request number field, a rollback payload length, the operation code field that indicates write rollback operation, and the other protocol header fields.

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