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Old 01-01-2018, 06:19 PM   #1
Registered: Aug 2012
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What is the purpose of different partitions on a RPi?

Somehow I gave my Pi logical partitions. Don't even know for sure if it was I who did it.

Why does parted show filesystem msdos?

Why both W95 FAT16 and W95 FAT32? Where does the boot partition fall into this? Do I have one for both the FAT16 and FAT32?

Why 5 partitions? What does it all mean??? Sorry, it has been a very long day...

The image originally was too large to put on a 32G SD, so I minimized the partitions. Would I want to first minimize the logical partion(s), then the physical ones? Hope so, cause that is what I did.

Any general interpretation of the below would be very appreciated.

Side note. Sorry for no full size image, but I struggled with that for a while. As I said, a long day.

Hope 2018 is better! Happy New Years all!

[michael@devserver RPi_client_images]$ sudo fdisk -l RPi_SPS_2backup.img
Disk RPi_SPS_2backup.img: 31.9 GB, 31914983424 bytes, 62333952 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
Disk label type: dos
Disk identifier: 0x00009590

              Device Boot      Start         End      Blocks   Id  System
RPi_SPS_2backup.img1            8192     2496093     1243951    e  W95 FAT16 (LBA)
RPi_SPS_2backup.img2         2496094    62333951    29918929    5  Extended
RPi_SPS_2backup.img5         2498560     2564093       32767   83  Linux
RPi_SPS_2backup.img6         2564096     2699263       67584    c  W95 FAT32 (LBA)
RPi_SPS_2backup.img7         2703360    62333951    29815296   83  Linux
[michael@devserver RPi_client_images]$ sudo parted RPi_SPS_2backup.img print
Model:  (file)
Disk /home/michael/test/gateway/RPi_client_images/RPi_SPS_2backup.img: 31.9GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:

Number  Start   End     Size    Type      File system  Flags
 1      4194kB  1278MB  1274MB  primary   fat32        lba
 2      1278MB  31.9GB  30.6GB  extended
 5      1279MB  1313MB  33.6MB  logical   ext4
 6      1313MB  1382MB  69.2MB  logical   fat32        lba
 7      1384MB  31.9GB  30.5GB  logical   ext4

[michael@devserver RPi_client_images]$
Note that the screenshot was made after I have been attempting to shrink the image.
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Old 01-01-2018, 06:59 PM   #2
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The RPI does not boot in the "normal" way. Here are a couple links that describe it fairly well

Also, msdos is the partition table (as oppposed to gpt), not the filesystem
Old 01-01-2018, 10:38 PM   #3
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Did you remember the link I posted in your other thread?

Last edited by michaelk; 01-01-2018 at 10:45 PM.
Old 01-02-2018, 07:12 AM   #4
Registered: Mar 2011
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Moved: This thread is more suitable in Linux Embedded & Single Board Computer and has been moved accordingly to help your thread/question get the exposure it deserves.
Old 01-02-2018, 02:11 PM   #5
Registered: Aug 2012
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Originally Posted by michaelk View Post
Thanks Michael, At the time, I didn't realize it was noobs related. I will review your posted link in much more detail.


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