linux查看emmc分区信息（10种方法）

2024-04-29 02:22| 来源: 网络整理| 查看: 265

[## 1 emmc](## 1 emmc)

[## 2 uboot查看](## 2 uboot查看)

[## 3 kernel查看](## 3 kernel查看)

方法1

方法2

方法3

方法4

方法5

方法6

方法7

方法8

方法9

方法10

## 1 emmc

我们要说的是，User Data Partition中的再分区

可简化为

## 2 uboot查看 u-boot=> mmc part Partition Map for MMC device 2 -- Partition Type: DOS Part Start Sector Num Sectors UUID Type 1 16384 131072 3bb27e95-01 0c 2 1835008 28942336 3bb27e95-02 83 3 147456 98304 3bb27e95-03 83 4 245760 1589248 3bb27e95-04 0f Extd 5 245762 16382 3bb27e95-05 83 6 262146 1572862 3bb27e95-06 83 ## 3 kernel查看方法1

/proc/partitions

root@xboard:~# cat /proc/partitions major minor #blocks name 31 0 8192 mtdblock0 179 0 15388672 mmcblk2 179 1 65536 mmcblk2p1 179 2 14471168 mmcblk2p2 179 3 49152 mmcblk2p3 179 4 1 mmcblk2p4 179 5 8191 mmcblk2p5 179 6 786431 mmcblk2p6 179 96 31154688 mmcblk1 179 97 65536 mmcblk1p1 179 98 31080960 mmcblk1p2 方法2

/dev/block

root@xboard:~# ls -l /dev/block/ total 0 lrwxrwxrwx 1 root root 10 May 13 2022 179:0 -> ../mmcblk2 lrwxrwxrwx 1 root root 12 Aug 31 2023 179:1 -> ../mmcblk2p1 lrwxrwxrwx 1 root root 12 May 13 2022 179:2 -> ../mmcblk2p2 lrwxrwxrwx 1 root root 12 May 13 2022 179:3 -> ../mmcblk2p3 lrwxrwxrwx 1 root root 15 May 13 2022 179:32 -> ../mmcblk2boot0 lrwxrwxrwx 1 root root 12 May 13 2022 179:4 -> ../mmcblk2p4 lrwxrwxrwx 1 root root 12 May 13 2022 179:5 -> ../mmcblk2p5 lrwxrwxrwx 1 root root 12 May 13 2022 179:6 -> ../mmcblk2p6 lrwxrwxrwx 1 root root 15 May 13 2022 179:64 -> ../mmcblk2boot1 lrwxrwxrwx 1 root root 10 May 13 2022 179:96 -> ../mmcblk1 lrwxrwxrwx 1 root root 12 Aug 31 2023 179:97 -> ../mmcblk1p1 lrwxrwxrwx 1 root root 12 Aug 31 2023 179:98 -> ../mmcblk1p2 lrwxrwxrwx 1 root root 12 May 13 2022 31:0 -> ../mtdblock0 lrwxrwxrwx 1 root root 8 May 13 2022 7:0 -> ../loop0 lrwxrwxrwx 1 root root 8 May 13 2022 7:1 -> ../loop1 lrwxrwxrwx 1 root root 8 May 13 2022 7:2 -> ../loop2 lrwxrwxrwx 1 root root 8 May 13 2022 7:3 -> ../loop3 lrwxrwxrwx 1 root root 8 May 13 2022 7:4 -> ../loop4 lrwxrwxrwx 1 root root 8 May 13 2022 7:5 -> ../loop5 lrwxrwxrwx 1 root root 8 May 13 2022 7:6 -> ../loop6 lrwxrwxrwx 1 root root 8 May 13 2022 7:7 -> ../loop7 root@xboard:~# ls -al /dev/block/179* lrwxrwxrwx 1 root root 10 May 13 2022 /dev/block/179:0 -> ../mmcblk2 lrwxrwxrwx 1 root root 12 Aug 31 2023 /dev/block/179:1 -> ../mmcblk2p1 lrwxrwxrwx 1 root root 12 May 13 2022 /dev/block/179:2 -> ../mmcblk2p2 lrwxrwxrwx 1 root root 12 May 13 2022 /dev/block/179:3 -> ../mmcblk2p3 lrwxrwxrwx 1 root root 15 May 13 2022 /dev/block/179:32 -> ../mmcblk2boot0 lrwxrwxrwx 1 root root 12 May 13 2022 /dev/block/179:4 -> ../mmcblk2p4 lrwxrwxrwx 1 root root 12 May 13 2022 /dev/block/179:5 -> ../mmcblk2p5 lrwxrwxrwx 1 root root 12 May 13 2022 /dev/block/179:6 -> ../mmcblk2p6 lrwxrwxrwx 1 root root 15 May 13 2022 /dev/block/179:64 -> ../mmcblk2boot1 lrwxrwxrwx 1 root root 10 May 13 2022 /dev/block/179:96 -> ../mmcblk1 lrwxrwxrwx 1 root root 12 Aug 31 2023 /dev/block/179:97 -> ../mmcblk1p1 lrwxrwxrwx 1 root root 12 Aug 31 2023 /dev/block/179:98 -> ../mmcblk1p2 方法3

mount

cat /proc/mounts

root@xboard:~# mount /dev/mmcblk2p2 on / type ext4 (rw,relatime) devtmpfs on /dev type devtmpfs (rw,relatime,size=667872k,nr_inodes=166968,mode=755) sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime) proc on /proc type proc (rw,relatime) securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime) tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev) devpts on /dev/pts type devpts (rw,relatime,gid=5,mode=620,ptmxmode=000) tmpfs on /run type tmpfs (rw,nosuid,nodev,mode=755) tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755) cgroup2 on /sys/fs/cgroup/unified type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate) cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,name=systemd) pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime) cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio) cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices) cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct) cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb) cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory) cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event) cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset) cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids) hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M) mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime) debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime) tmpfs on /tmp type tmpfs (rw,nosuid,nodev) fusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatime) configfs on /sys/kernel/config type configfs (rw,nosuid,nodev,noexec,relatime) tmpfs on /var/volatile type tmpfs (rw,relatime) /dev/mmcblk2p6 on /cache type ext4 (rw,nosuid,nodev,relatime) /dev/mmcblk2p5 on /run/media/mmcblk2p5 type ext2 (rw,relatime,errors=continue) /dev/mmcblk1p1 on /run/media/mmcblk1p1 type vfat (rw,relatime,gid=6,fmask=0007,dmask=0007,allow_utime=0020,codepage=437,io,shortname=mixed,errors=remount-ro) /dev/mmcblk2p1 on /run/media/mmcblk2p1 type vfat (rw,relatime,gid=6,fmask=0007,dmask=0007,allow_utime=0020,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro) /dev/mmcblk1p2 on /run/media/mmcblk1p2 type ext4 (rw,relatime) tmpfs on /run/user/0 type tmpfs (rw,nosuid,nodev,relatime,size=199396k,mode=700) 方法4

dmesg

方法5

fdisk

root@xboard:~# fdisk -l /dev/mmcblk2 Disk /dev/mmcblk2: 14.69 GiB, 15758000128 bytes, 30777344 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0x3bb27e95 Device Boot Start End Sectors Size Id Type /dev/mmcblk2p1 16384 147455 131072 64M c W95 FAT32 (LBA) /dev/mmcblk2p2 1835008 30777343 28942336 13.8G 83 Linux /dev/mmcblk2p3 147456 245759 98304 48M 83 Linux /dev/mmcblk2p4 245760 1835007 1589248 776M f W95 Ext'd (LBA) /dev/mmcblk2p5 245762 262143 16382 8M 83 Linux /dev/mmcblk2p6 262146 1835007 1572862 768M 83 Linux Partition table entries are not in disk order.

类似的命令还有sfdisk

root@xboard:~# sfdisk -l /dev/mmcblk2 Disk /dev/mmcblk2: 14.69 GiB, 15758000128 bytes, 30777344 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0x3bb27e95 Device Boot Start End Sectors Size Id Type /dev/mmcblk2p1 16384 147455 131072 64M c W95 FAT32 (LBA) /dev/mmcblk2p2 1835008 30777343 28942336 13.8G 83 Linux /dev/mmcblk2p3 147456 245759 98304 48M 83 Linux /dev/mmcblk2p4 245760 1835007 1589248 776M f W95 Ext'd (LBA) /dev/mmcblk2p5 245762 262143 16382 8M 83 Linux /dev/mmcblk2p6 262146 1835007 1572862 768M 83 Linux Partition table entries are not in disk order. 方法6

sys/class/block

root@xboard:/sys/class/block# ll total 0 lrwxrwxrwx 1 root root 0 May 13 2022 loop0 -> ../../devices/virtual/block/loop0 lrwxrwxrwx 1 root root 0 May 13 2022 loop1 -> ../../devices/virtual/block/loop1 lrwxrwxrwx 1 root root 0 May 13 2022 loop2 -> ../../devices/virtual/block/loop2 lrwxrwxrwx 1 root root 0 May 13 2022 loop3 -> ../../devices/virtual/block/loop3 lrwxrwxrwx 1 root root 0 May 13 2022 loop4 -> ../../devices/virtual/block/loop4 lrwxrwxrwx 1 root root 0 May 13 2022 loop5 -> ../../devices/virtual/block/loop5 lrwxrwxrwx 1 root root 0 May 13 2022 loop6 -> ../../devices/virtual/block/loop6 lrwxrwxrwx 1 root root 0 May 13 2022 loop7 -> ../../devices/virtual/block/loop7 lrwxrwxrwx 1 root root 0 May 13 2022 mmcblk1 -> ../../devices/platform/soc@0/soc@0:bus@30800000/30b50000.mmc/mmc_host/mmc1/mmc1:59b4/block/mmcblk1 lrwxrwxrwx 1 root root 0 May 13 2022 mmcblk1p1 -> ../../devices/platform/soc@0/soc@0:bus@30800000/30b50000.mmc/mmc_host/mmc1/mmc1:59b4/block/mmcblk1/mmcblk1p1 lrwxrwxrwx 1 root root 0 May 13 2022 mmcblk1p2 -> ../../devices/platform/soc@0/soc@0:bus@30800000/30b50000.mmc/mmc_host/mmc1/mmc1:59b4/block/mmcblk1/mmcblk1p2 lrwxrwxrwx 1 root root 0 May 13 2022 mmcblk2 -> ../../devices/platform/soc@0/soc@0:bus@30800000/30b60000.mmc/mmc_host/mmc2/mmc2:0001/block/mmcblk2 lrwxrwxrwx 1 root root 0 May 13 2022 mmcblk2boot0 -> ../../devices/platform/soc@0/soc@0:bus@30800000/30b60000.mmc/mmc_host/mmc2/mmc2:0001/block/mmcblk2/mmcblk2boot0 lrwxrwxrwx 1 root root 0 May 13 2022 mmcblk2boot1 -> ../../devices/platform/soc@0/soc@0:bus@30800000/30b60000.mmc/mmc_host/mmc2/mmc2:0001/block/mmcblk2/mmcblk2boot1 lrwxrwxrwx 1 root root 0 May 13 2022 mmcblk2p1 -> ../../devices/platform/soc@0/soc@0:bus@30800000/30b60000.mmc/mmc_host/mmc2/mmc2:0001/block/mmcblk2/mmcblk2p1 lrwxrwxrwx 1 root root 0 May 13 2022 mmcblk2p2 -> ../../devices/platform/soc@0/soc@0:bus@30800000/30b60000.mmc/mmc_host/mmc2/mmc2:0001/block/mmcblk2/mmcblk2p2 lrwxrwxrwx 1 root root 0 May 13 2022 mmcblk2p3 -> ../../devices/platform/soc@0/soc@0:bus@30800000/30b60000.mmc/mmc_host/mmc2/mmc2:0001/block/mmcblk2/mmcblk2p3 lrwxrwxrwx 1 root root 0 May 13 2022 mmcblk2p4 -> ../../devices/platform/soc@0/soc@0:bus@30800000/30b60000.mmc/mmc_host/mmc2/mmc2:0001/block/mmcblk2/mmcblk2p4 lrwxrwxrwx 1 root root 0 May 13 2022 mmcblk2p5 -> ../../devices/platform/soc@0/soc@0:bus@30800000/30b60000.mmc/mmc_host/mmc2/mmc2:0001/block/mmcblk2/mmcblk2p5 lrwxrwxrwx 1 root root 0 May 13 2022 mmcblk2p6 -> ../../devices/platform/soc@0/soc@0:bus@30800000/30b60000.mmc/mmc_host/mmc2/mmc2:0001/block/mmcblk2/mmcblk2p6 lrwxrwxrwx 1 root root 0 May 13 2022 mtdblock0 -> ../../devices/platform/soc@0/soc@0:bus@30800000/30bb0000.spi/spi_master/spi3/spi3.0/mtd/mtd0/mtdblock0 方法7 root@xboard:~# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT mtdblock0 31:0 0 8M 0 disk mmcblk2 179:0 0 14.7G 0 disk |-mmcblk2p1 179:1 0 64M 0 part /run/media/mmcblk2p1 |-mmcblk2p2 179:2 0 13.8G 0 part / |-mmcblk2p3 179:3 0 48M 0 part |-mmcblk2p4 179:4 0 1K 0 part |-mmcblk2p5 179:5 0 8M 0 part /run/media/mmcblk2p5 `-mmcblk2p6 179:6 0 768M 0 part /cache mmcblk2boot0 179:32 0 4M 1 disk mmcblk2boot1 179:64 0 4M 1 disk mmcblk1 179:96 0 29.7G 0 disk |-mmcblk1p1 179:97 0 64M 0 part /run/media/mmcblk1p1 `-mmcblk1p2 179:98 0 29.7G 0 part /run/media/mmcblk1p 方法8

sudo apt install hwinfo

root@xboard:$ hwinfo --disk 49: SCSI 2000.0: 10600 Disk [Created at block.245] Unique ID: R7kM.nTPZhtpisM9 Parent ID: 37TO.741NuwlerHD SysFS ID: /class/block/sda SysFS BusID: 32:0:0:0 SysFS Device Link: /devices/pci0000:00/0000:00:10.0/host32/target32:0:0/32:0:0:0 Hardware Class: disk Model: "VMware Virtual S" Vendor: "VMware," Device: "VMware Virtual S" Revision: "1.0" Driver: "mptspi", "sd" Driver Modules: "mptspi" Device File: /dev/sda (/dev/sg1) Device Files: /dev/sda, /dev/disk/by-path/pci-0000:00:10.0-scsi-0:0:0:0 Device Number: block 8:0-8:15 (char 21:1) BIOS id: 0x80 Drive status: no medium Config Status: cfg=new, avail=yes, need=no, active=unknown Attached to: #7 (SCSI storage controller) 方法9

lshw

root@xboard:$ sudo lshw -class disk *-disk description: SCSI Disk product: VMware Virtual S vendor: VMware, physical id: 0.0.0 bus info: scsi@32:0.0.0 logical name: /dev/sda version: 1.0 size: 100GiB (107GB) capabilities: 7200rpm partitioned partitioned:dos configuration: ansiversion=2 logicalsectorsize=512 sectorsize=512 signature=e51a4690 *-cdrom description: DVD-RAM writer product: VMware SATA CD01 vendor: NECVMWar physical id: 0.0.0 bus info: scsi@3:0.0.0 logical name: /dev/cdrom logical name: /dev/cdrw logical name: /dev/dvd logical name: /dev/sr0 version: 1.00 capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram configuration: ansiversion=5 status=open 方法10 root@xboard:$ sudo parted -l Model: ATA WDC WD10EZEX-75W (scsi) Disk /dev/sda: 1000GB Sector size (logical/physical): 512B/4096B Partition Table: gpt Disk Flags: Number Start End Size File system Name Flags 1 1049kB 538MB 537MB fat32 EFI System Partition boot, esp 2 538MB 1000GB 1000GB ext4 4 参考

【1】eMMC深入浅出第二章 eMMC结构第二节分区以及存储区域 - 知乎

【2】eMMC（二）------分区管理_emmc gpt分区-CSDN博客

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linux查看emmc分区信息（10种方法 ）

linux查看emmc分区信息（10种方法）