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tags: [disk]

disk and storage

fdisk磁盘分区

日志文件应该存放在独立的分区,或者独立的磁盘中

cat /etc/fstab

从/dev/sdb创建分区/dev/sdb1

格式化分区 mkfs.ext3 /dev/sdb1

挂载分区到指定目录 mount /dev/sdb1 /mnt

what-is-the-purpose-of-the-lostfound-folder-in-linux-and-unix

fdisk /dev/sdb
Command (m for help): m
Command action
   a   toggle a bootable flag
   b   edit bsd disklabel
   c   toggle the dos compatibility flag
   d   delete a partition
   l   list known partition types
   m   print this menu
   n   add a new partition
   o   create a new empty DOS partition table
   p   print the partition table
   q   quit without saving changes
   s   create a new empty Sun disklabel
   t   change a partition's system id
   u   change display/entry units
   v   verify the partition table
   w   write table to disk and exit
   x   extra functionality (experts only)

物理卷和逻辑卷

Creating the LVM Physical Volumes

Creating the LVM Volume Groups

Creating the LVM Logical Volumes 中文

http://blog.chinaunix.net/uid-20696246-id-1892246.html

physical volume

logical volume manager

https://www.centos.org/docs/5/html/Deployment_Guide-en-US/ch-lvm.html

可以参考the linux document project

http://tldp.org/LDP/intro-linux/html/sect_03_01.html

几个概念:硬盘,分区,物理卷,逻辑卷, 文件系统类型

几个命令: df

mount

blockdev

parted

pvdisplay

lvdisplay

lsblk

fdisk

lsscsi

mkfs

http://man7.org/linux/man-pages/man8/blockdev.8.html blockdev --getsize64 /dev/sda

https://www.tecmint.com/parted-command-to-create-resize-rescue-linux-disk-partitions/ parted command