linux-7hat:/home/Icy # fdisk /dev/sda
The device presents a logical sector size that is smaller than * 逻辑 sector 小于物理 sector，需要解决么？ *
the physical sector size. Aligning to a physical sector (or optimal
I/O) size boundary is recommended, or performance may be impacted.
Welcome to fdisk (util-linux 2.23.2).
Command (m for help): p
Disk /dev/sda: 500.1 GB, 500107862016 bytes, 976773168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk label type: dos
Disk identifier: 0x0009064a
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 391167 194560 83 Linux
/dev/sda2 393214 976771071 488188929 5 Extended
Partition 2 does not start on physical sector boundary.
/dev/sda5 393216 200390655 99998720 83 Linux
/dev/sda6 200392704 208390143 3998720 82 Linux swap / Solaris
/dev/sda7 208392192 976771071 384189440 83 Linux