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topics:disk-image-mount-partition [2017/03/26 05:51]
orzfly 		topics:disk-image-mount-partition [2017/03/26 06:15] (current)
orzfly [Mounting]
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 ====== Mount Partitions in Disk Image ====== ====== Mount Partitions in Disk Image ======
 +
 +  * [[#losetup_partscan]]: If you have util-linux v2.21 or higher (for example, Ubuntu 16.04).
 +  * [[#partprobe]]: If you have a recent kernel, and pass loop.max_part=63 on boot (if loop is built-in) or to modprobe (if loop is a module).
 +  * [[#kpartx]]: ''apt install kpartx''
 +  * [[#losetup_offsetsizelimit]]: AlwaysWorks™
  
 ===== losetup partscan ===== ===== losetup partscan =====
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 ==== Mounting ==== ==== Mounting ====
  
-  - Mount image as loop device<code> +  - Get partition details<code> 
-# losetup /dev/loop0 rpool.img+# fdisk -l rpool.img 
 +Disk rpool.img: 21 GiB, 22548578304 bytes, 44040192 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: gpt 
 +Disk identifier: B37248EB-F1D7-DA47-A42D-4C42AF20D328 
 + 
 +Device        Start      End  Sectors Size Type 
 +rpool.img1     2048 44021759 44019712  21G Solaris /usr & Apple ZFS 
 +rpool.img9 44021760 44038143    16384   8M Solaris reserved 1 
 +</code> 
 +  - Setup loop device<code bash> 
 +# losetup /dev/loop0 rpool.img --offset $((512 * 2048)) --sizelimit $((512 * 44019712))
 </code> </code>
- 
 ==== Unmounting ==== ==== Unmounting ====