| 发明名称 | Iterative decode and post-decode microcode cut and paste optimization | ||
| 摘要 | Various embodiments for data error recovery in a tape storage system, by a processor device, are provided. In one embodiment, a method comprises, in a tape storage system using a hardware-initiated and microcode-initiated iterative decoder, initializing a microcode cut/paste algorithm on a buffered dataset by copying the buffered dataset to a reserved buffer segment; wherein the buffered dataset is a most corrected buffered dataset developed by at least one iterative decode cycle; and the buffered dataset, updated C1 data row error flags, and a correction status recovered by the at least one iterative decode cycle are cut and pasted over a working copy of a dataset resident in the reserved buffer segment. | ||
| 申请公布号 | US9594642(B1) | 申请公布日期 | 2017.03.14 |
| 申请号 | US201614987950 | 申请日期 | 2016.01.05 |
| 申请人 | INTERNATIONAL BUSINESS MACHINES CORPORATION | 发明人 | Bentley Steven R.;Nylander-Hill Pamela R.;Tanaka Keisuke |
| 分类号 | G11C29/00;G06F11/14;G06F3/06;G06F11/10 | 主分类号 | G11C29/00 |
| 代理机构 | Griffiths & Seaton PLLC | 代理人 | Griffiths & Seaton PLLC |
| 主权项 | 1. A method for data error recovery in a tape storage system, by a processor device, comprising: in a tape storage system using a hardware-initiated and microcode-initiated iterative decoder, initializing a microcode cut/paste algorithm on a buffered dataset by copying the buffered dataset to a reserved buffer segment; wherein the buffered dataset is a most corrected buffered dataset developed by at least one iterative decode cycle; andthe buffered dataset, updated C1 data row error flags, and a correction status recovered by the at least one iterative decode cycle are cut and pasted over a working copy of a dataset resident in the reserved buffer segment. | ||
| 地址 | Armonk NY US | ||