1. Решите ее
Я также сталкиваюсь с этой проблемой, и вот как я подавляю раздражающее предупреждение!
Ключевым моментом является: set the start to any logical sector, which is a multiple of 8
.
Я установил 204800
(потому что я могу выбирать только из 65535-976773167).
шаг 1 fdisk
$ fdisk /dev/sdfThe device presents a logical sector size that is smaller thanthe physical sector size. Aligning to a physical sector (or optimalI/O) size boundary is recommended, or performance may be impacted.欢迎使用 fdisk (util-linux 2.23.2)。更改将停留在内存中,直到您决定将更改写入磁盘。使用写入命令前请三思。命令(输入 m 获取帮助):d已选择分区 1分区 1 已删除命令(输入 m 获取帮助):p磁盘 /dev/sdf:500.1 GB, 500107862016 字节,976773168 个扇区Units = 扇区 of 1 * 512 = 512 bytes扇区大小(逻辑/物理):512 字节 / 4096 字节I/O 大小(最小/最佳):4096 字节 / 33553920 字节磁盘标签类型:dos磁盘标识符:0xa2254a70 设备 Boot Start End Blocks Id System命令(输入 m 获取帮助):nPartition type: p primary (0 primary, 0 extended, 4 free) e extendedSelect (default p): p分区号 (1-4,默认 1):1# the key point# ⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬⏬起始 扇区 (65535-976773167,默认为 65535): 204800 (chose a multiple of 8)Last 扇区, +扇区 or +size{K,M,G} (204800-976773167,默认为 976773167):将使用默认值 976773167分区 1 已设置为 Linux 类型,大小设为 465.7 GiB# 命令(输入 m 获取帮助):wThe partition table has been altered!Calling ioctl() to re-read partition table.正在同步磁盘。
шаг 2 отформатируйте диск
$ mkfs.ext4 /dev/sdf1mke2fs 1.42.9 (28-Dec-2013)文件系统标签=OS type: Linux块大小=4096 (log=2)分块大小=4096 (log=2)Stride=0 blocks, Stripe width=8191 blocks30523392 inodes, 122071046 blocks6103552 blocks (5.00%) reserved for the super user第一个数据块=0Maximum filesystem blocks=22712156163726 block groups32768 blocks per group, 32768 fragments per group8192 inodes per groupSuperblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 102400000Allocating group tables: 完成正在写入inode表: 完成Creating journal (32768 blocks): 完成Writing superblocks and filesystem accounting information: 完成
шаг 3 результат
И, наконец, предупреждение исчезает.
$ fdisk -l /dev/sdf磁盘 /dev/sdf:500.1 GB, 500107862016 字节,976773168 个扇区Units = 扇区 of 1 * 512 = 512 bytes扇区大小(逻辑/物理):512 字节 / 4096 字节I/O 大小(最小/最佳):4096 字节 / 33553920 字节磁盘标签类型:dos磁盘标识符:0xa2254a70 设备 Boot Start End Blocks Id System/dev/sdf1 204800 976773167 488284184 83 Linux$ lsblkNAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTsda 8:0 0 223.6G 0 disk├─sda1 8:1 0 500M 0 part /boot/efi├─sda2 8:2 0 1G 0 part /boot└─sda3 8:3 0 170G 0 part ├─centos--sda-root 253:0 0 100G 0 lvm / ├─centos--sda-swap 253:1 0 20G 0 lvm └─centos--sda-home 253:2 0 50G 0 lvm /homesdb 8:16 0 1.8T 0 disk /data2sdc 8:32 0 1.8T 0 disksdd 8:48 0 1.8T 0 disk /data1sde 8:64 0 1.8T 0 disk /homesdf 8:80 0 465.8G 0 disk└─sdf1 8:81 0 465.7G 0 part
2.Как выглядит эта проблема
Показать диск
[root@dt120 data1]# lsblkNAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTsda 8:0 0 223.6G 0 disk├─sda1 8:1 0 500M 0 part /boot/efi├─sda2 8:2 0 1G 0 part /boot└─sda3 8:3 0 170G 0 part ├─centos--sda-root 253:0 0 100G 0 lvm / ├─centos--sda-swap 253:1 0 20G 0 lvm └─centos--sda-home 253:2 0 50G 0 lvm /homesdb 8:16 0 1.8T 0 disk /data2sdc 8:32 0 1.8T 0 disksdd 8:48 0 1.8T 0 disk /data1sde 8:64 0 1.8T 0 disk /homesdf 8:80 0 465.8G 0 disk└─sdf1 8:81 0 465.7G 0 part
fdisk
$ fdisk /dev/sdf欢迎使用 fdisk (util-linux 2.23.2)。更改将停留在内存中,直到您决定将更改写入磁盘。使用写入命令前请三思。Device does not contain a recognized partition table使用磁盘标识符 0xff020bf0 创建新的 DOS 磁盘标签。The device presents a logical sector size that is smaller thanthe physical sector size. Aligning to a physical sector (or optimalI/O) size boundary is recommended, or performance may be impacted.命令(输入 m 获取帮助):p磁盘 /dev/sdf:500.1 GB, 500107862016 字节,976773168 个扇区Units = 扇区 of 1 * 512 = 512 bytes扇区大小(逻辑/物理):512 字节 / 4096 字节I/O 大小(最小/最佳):4096 字节 / 33553920 字节磁盘标签类型:dos磁盘标识符:0xff020bf0 设备 Boot Start End Blocks Id System命令(输入 m 获取帮助):nPartition type: p primary (0 primary, 0 extended, 4 free) e extendedSelect (default p): p分区号 (1-4,默认 1):1起始 扇区 (65535-976773167,默认为 65535):将使用默认值 65535Last 扇区, +扇区 or +size{K,M,G} (65535-976773167,默认为 976773167):将使用默认值 976773167分区 1 已设置为 Linux 类型,大小设为 465.7 GiB命令(输入 m 获取帮助):p磁盘 /dev/sdf:500.1 GB, 500107862016 字节,976773168 个扇区Units = 扇区 of 1 * 512 = 512 bytes扇区大小(逻辑/物理):512 字节 / 4096 字节I/O 大小(最小/最佳):4096 字节 / 33553920 字节磁盘标签类型:dos磁盘标识符:0x2b6ce6ea 设备 Boot Start End Blocks Id System/dev/sdf1 65535 976773167 488353816+ 83 LinuxPartition 1 does not start on physical sector boundary.命令(输入 m 获取帮助):wThe partition table has been altered!Calling ioctl() to re-read partition table.正在同步磁盘。$ lsblkNAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTsda 8:0 0 223.6G 0 disk├─sda1 8:1 0 500M 0 part /boot/efi├─sda2 8:2 0 1G 0 part /boot└─sda3 8:3 0 170G 0 part ├─centos--sda-root 253:0 0 100G 0 lvm / ├─centos--sda-swap 253:1 0 20G 0 lvm └─centos--sda-home 253:2 0 50G 0 lvm /homesdb 8:16 0 1.8T 0 disk /data2sdc 8:32 0 1.8T 0 disksdd 8:48 0 1.8T 0 disk /data1sde 8:64 0 1.8T 0 disk /homesdf 8:80 0 465.8G 0 disk└─sdf1 8:81 0 465.7G 0 part
формат
$ mkfs.ext4 /dev/sdf1mke2fs 1.42.9 (28-Dec-2013)/dev/sdf1 alignment is offset by 512 bytes.This may result in very poor performance, (re)-partitioning suggested.文件系统标签=OS type: Linux块大小=4096 (log=2)分块大小=4096 (log=2)Stride=0 blocks, Stripe width=8191 blocks30523392 inodes, 122088454 blocks6104422 blocks (5.00%) reserved for the super user第一个数据块=0Maximum filesystem blocks=22712156163726 block groups32768 blocks per group, 32768 fragments per group8192 inodes per groupSuperblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 102400000Allocating group tables: 完成正在写入inode表: 完成Creating journal (32768 blocks): 完成Writing superblocks and filesystem accounting information: 完成
проблема
Partition 1 does not start on physical sector boundary.
$ fdisk -l /dev/sdf磁盘 /dev/sdf:500.1 GB, 500107862016 字节,976773168 个扇区Units = 扇区 of 1 * 512 = 512 bytes扇区大小(逻辑/物理):512 字节 / 4096 字节I/O 大小(最小/最佳):4096 字节 / 33553920 字节磁盘标签类型:dos磁盘标识符:0xa2254a70 设备 Boot Start End Blocks Id System/dev/sdf1 65535 976773167 488353816+ 83 LinuxPartition 1 does not start on physical sector boundary.