With the take up of Agile approaches in the software world, some commentators in the hardware space have been asking how these techniques can be applied and used in the development of hardware-intensive systems. Two recent articles provide advice and guidance on possible ways to gain the benefits of Agile development in the hardware realm.
If using HDDs from Western Digital (WD) with the string "EARS" in the model name, poor performance may have been encountered. Normally HDDs store data with a sector size of 512 bytes; WD's Advanced Format Technology uses 4096 byte sectors. Alignment of data on disk is essential to get the best performance. It's also only a matter of time until other vendors ship disks with non-512-bytes sectors.