cherry_hust的专栏

最近按教程创建了RAID5，遇到一点小问题，希望记录下来，能对大家有点帮助。         实验环境         Ubuntu 16.04.1 + VMware Workstation 12 Player        实验目的        使用mdadm创建软raid5，模拟故障测试，了解raid5是怎样工作的。         首先配置好基础的环境，在虚拟机中添加四

1 r5l_io_unit/* * an IO range starts from a meta data block and end at the next meta data * block. The io unit's the meta data block tracks data/parity followed it. io * unit is written to log di

结构体代码struct r5l_log { struct md_rdev *rdev; u32 uuid_checksum; sector_t device_size; /* log device size, round to * BLOCK_SECTORS */ sector_t max_free_space; /* reclaim run if free spac

http://blog.jobbole.com/111610/