1. 区别 raw flash devices: NAND, NOR, OneNAND, etc,其被作为MTD设备处理(既不是字符设备,也不是块设备). FTL device:Flash Translation layer device, MMC, eMMC, SD,不仅包含flash,还包含控制器,其被作为块设备处理. FTL stands for "Flash Translation Layer" and it is software which emulates a block…
转:http://blog.csdn.net/kickxxx/article/details/6583463 目录(?)[-] Big red note Overview Scalabity Write-back support Write-back knobs in Linux UBIFS write-buffer UBIFS in synchronous mode vs JFFS2 Synchronization exceptions for buggy applications Compr…
The Accidental DBA (Day 1 of 30): Hardware Selection: CPU and Memory Considerations 本文大意: 全篇主要讲硬件选择和服务器成本的考虑,包括内存的开销,cpu开销,以及sql server的收费方式. The Accidental DBA (Day 2 of 30): Hardware Selection: Disk Configurations and RAID -> Performance not C…