# Mender-convert for Raspberry Pi 3 - storage/card too small

**URL:** <https://hub.mender.io/t/mender-convert-for-raspberry-pi-3-storage-card-too-small/5427>\
**Category:** General Discussions\
**Tags:** raspberry-pi-3, mender-convert\
**Created:** [March 15, 2022, 6:07pm UTC](https://hub.mender.io/t/mender-convert-for-raspberry-pi-3-storage-card-too-small/5427 "2022-03-15T18:07:19Z")\
**Posts on this page:** 6\
**Page:** 1

<div class="post-metadata">

**Author:** ![edpgcooper](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/edpgcooper/32/1496_2.png) [@edpgcooper](https://hub.mender.io/u/edpgcooper)\
**Post date:** [March 15, 2022, 6:07pm UTC](https://hub.mender.io/t/mender-convert-for-raspberry-pi-3-storage-card-too-small/5427/1 "2022-03-15T18:07:19Z")

</div>

Whenever I run mender-convert the output is 8.6GB, whether I supply it with a golden image from an 8GB SD card or the standard 2021-10-30-raspios-bullseye-armhf-lite.img

This 8.6GB file then doesn’t fit on my 8GB SD card?

---

<div class="post-metadata">

**Author:** ![oleorhagen](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/oleorhagen/32/297_2.png) [@oleorhagen](https://hub.mender.io/u/oleorhagen)\
**Post date:** [March 16, 2022, 11:49am UTC](https://hub.mender.io/t/mender-convert-for-raspberry-pi-3-storage-card-too-small/5427/2 "2022-03-16T11:49:57Z")

</div>

Hmm, interesting.

The linked imabe above should be converted with the latest mender-convert, and is only `7.4GiB`.

What parameters are you running the conversion with?

---

<div class="post-metadata">

**Author:** ![edpgcooper](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/edpgcooper/32/1496_2.png) [@edpgcooper](https://hub.mender.io/u/edpgcooper)\
**Post date:** [March 16, 2022, 9:42pm UTC](https://hub.mender.io/t/mender-convert-for-raspberry-pi-3-storage-card-too-small/5427/3 "2022-03-16T21:42:15Z")

</div>

I follow the instructions above (Build Docker image for `mender-convert`) line-by-line and I end up with a .img file that’s 8.6 GB (8,589,934,592 bytes). Thanks.

---

<div class="post-metadata">

**Author:** ![oleorhagen](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/oleorhagen/32/297_2.png) [@oleorhagen](https://hub.mender.io/u/oleorhagen)\
**Post date:** [March 17, 2022, 2:14pm UTC](https://hub.mender.io/t/mender-convert-for-raspberry-pi-3-storage-card-too-small/5427/4 "2022-03-17T14:14:15Z")

</div>

There is one difference between the image produced by the tutorial above, and the image provided in the link, and that is that the image provided in the link has a few extra configurations added.

Especially the configurations from `configs/images/raspberrypi_raspbian_config`.

Most interestingly for you probably is the added:

```auto
# Real life SD cards typically have less than they advertise. First off, they
# often use a base of 1000 instead of 1024, and even then they are often smaller
# than advertised. The number below is based on a conservative target of 7.9GB
# (that's mathematical GB, base 1000), converted to MiB, rounding down.
MENDER_STORAGE_TOTAL_SIZE_MB=7534

```

@edpgcooper

---

<div class="post-metadata">

**Author:** ![\_richard](https://avatars.discourse-cdn.com/v4/letter/_/f05b48/32.png) [@\_richard](https://hub.mender.io/u/_richard)\
**Post date:** [November 18, 2022, 5:57pm UTC](https://hub.mender.io/t/mender-convert-for-raspberry-pi-3-storage-card-too-small/5427/5 "2022-11-18T17:57:08Z")

</div>

i used

```auto
$ cat configs/raspberrypi3_config
RASPBERRYPI_CONFIG="raspberrypi3"
RASPBERRYPI_KERNEL_IMAGE="kernel7.img"
MENDER_KERNEL_IMAGETYPE="zImage"
MENDER_DEVICE_TYPE="raspberrypi3"

source configs/raspberrypi_config

MENDER_BOOT_PART_SIZE_MB=256
MENDER_STORAGE_TOTAL_SIZE_MB=15000

```

and as first try the variation with the source not in the middle but at the end - but that didn’t make a difference.

```auto
2022-11-18 17:43:11 [WARN] [mender-convert-package] The actual boot part size is 256 MiB
2022-11-18 17:43:11 [WARN] [mender-convert-package] Will adjust MENDER_BOOT_PART_SIZE_MB automatically
2022-11-18 17:43:11 [WARN] [mender-convert-package] Consider adjusting the configuration file to avoid this message
2022-11-18 17:43:12 [INFO] [mender-convert-package] Rootfs filesystem size will be 2791 MiB

```

The Warning concerning MENDER\_BOOT\_PART\_SIZE\_MB stays and the rootfs is not adjusted to the increased image size.  
The output image size is increased in a way that it also would not fit on the 8GB sdcard again. Seems MENDER\_STORAGE\_TOTAL\_SIZE\_MB is ignored.

```auto
mender-convert$ MENDER_ARTIFACT_NAME=rpimended.img ./docker-mender-convert --disk-image ./input/armhf_bullseye_20220922_updated_javafx11_8gb.img --config ./configs/raspberrypi3_config --overlay ./output
using log file at: xxx/mender-convert/logs/convert.log.1668793345-20908
Running mender-convert --disk-image ./input/armhf_bullseye_20220922_updated_javafx11_8gb.img --config ./configs/raspberrypi3_config --overlay ./output
Running mender-convert-extract: --config ./work/override_compression_config --disk-image ./input/armhf_bullseye_20220922_updated_javafx11_8gb.img --config ./configs/raspberrypi3_config --overlay ./output
2022-11-18 17:42:26 [INFO] [mender-convert-extract] Using configuration file: configs/mender_convert_config
2022-11-18 17:42:26 [INFO] [mender-convert-extract] Using configuration file: ./work/override_compression_config
2022-11-18 17:42:26 [INFO] [mender-convert-extract] Using configuration file: ./configs/raspberrypi3_config
2022-11-18 17:42:26 [INFO] [mender-convert-extract] Validating disk image
2022-11-18 17:42:26 [INFO] [mender-convert-extract] Disk parsed successfully
2022-11-18 17:42:26 [INFO] [mender-convert-extract] NUMBER OF PARTS: 2 TYPE: dos
2022-11-18 17:42:26 [INFO] [mender-convert-extract] PART 1: SIZE: 256M TYPE: 0xc
2022-11-18 17:42:26 [INFO] [mender-convert-extract] PART 1: extracting to work/part-1.fs
2022-11-18 17:42:27 [INFO] [mender-convert-extract] PART 2: SIZE: 7.2G TYPE: 0x83
2022-11-18 17:42:27 [INFO] [mender-convert-extract] PART 2: extracting to work/part-2.fs
mender-convert-extract has finished. Cleaning up...
Running mender-convert-modify: --config ./work/override_compression_config --disk-image ./input/armhf_bullseye_20220922_updated_javafx11_8gb.img --config ./configs/raspberrypi3_config --overlay ./output
2022-11-18 17:43:07 [INFO] [mender-convert-modify] Using configuration file: configs/mender_convert_config
2022-11-18 17:43:07 [INFO] [mender-convert-modify] Using configuration file: ./work/override_compression_config
2022-11-18 17:43:07 [INFO] [mender-convert-modify] Using configuration file: ./configs/raspberrypi3_config
2022-11-18 17:43:08 [INFO] [mender-convert-modify] Installing Mender client and related files
2022-11-18 17:43:08 [INFO] [mender-convert-modify] Installing Mender client version latest
2022-11-18 17:43:09 [INFO] [mender-convert-modify] Successfully downloaded mender-client_3.4.0-1+debian+bullseye_armhf.deb
2022-11-18 17:43:10 [INFO] [mender-convert-modify] Successfully installed mender-client_3.4.0-1+debian+bullseye_armhf.deb into /mender-convert/work/rootfs/
2022-11-18 17:43:10 [INFO] [mender-convert-modify] Creating state folder in the data partition for Mender add-ons
2022-11-18 17:43:10 [INFO] [mender-convert-modify] Using root device A in mender.conf: /dev/mmcblk0p2
2022-11-18 17:43:10 [INFO] [mender-convert-modify] Using root device B in mender.conf: /dev/mmcblk0p3
2022-11-18 17:43:10 [INFO] [mender-convert-modify] Installing the local mender.conf file
2022-11-18 17:43:10 [INFO] [mender-convert-modify] Creating state scripts version file.
2022-11-18 17:43:10 [INFO] [mender-convert-modify] Installing a custom /etc/fstab (see /mender-convert/logs/convert.log.1668793345-20908 for more info)
2022-11-18 17:43:10 [INFO] [mender-convert-modify] Using boot partition device in fstab: /dev/mmcblk0p1
2022-11-18 17:43:10 [INFO] [mender-convert-modify] Using data partition device in fstab: /dev/mmcblk0p4
2022-11-18 17:43:10 [INFO] [mender-convert-modify] Performing platform specific modifications (if any)
2022-11-18 17:43:10 [INFO] [mender-convert-modify] Running hook: platform_modify
2022-11-18 17:43:11 [INFO] [mender-convert-modify] Certain service files have been changed to align with our /uboot boot partition mount point. See convert.log for more information
2022-11-18 17:43:11 [INFO] [mender-convert-modify] Enabling UART in U-Boot configuration
2022-11-18 17:43:11 [INFO] [mender-convert-modify] Performing user/local specific modifications (if any)
2022-11-18 17:43:11 [INFO] [mender-convert-modify] Running hook: user_local_modify
2022-11-18 17:43:11 [INFO] [mender-convert-modify] Applying rootfs overlay: ./output
2022-11-18 17:43:11 [INFO] [mender-convert-modify] Performing overlay specific modifications (if any)
2022-11-18 17:43:11 [INFO] [mender-convert-modify] Running hook: overlay_modify
mender-convert-modify has finished. Cleaning up...
Running mender-convert-package: --config ./work/override_compression_config --disk-image ./input/armhf_bullseye_20220922_updated_javafx11_8gb.img --config ./configs/raspberrypi3_config --overlay ./output
2022-11-18 17:43:11 [INFO] [mender-convert-package] Using configuration file: configs/mender_convert_config
2022-11-18 17:43:11 [INFO] [mender-convert-package] Using configuration file: ./work/override_compression_config
2022-11-18 17:43:11 [INFO] [mender-convert-package] Using configuration file: ./configs/raspberrypi3_config
2022-11-18 17:43:11 [WARN] [mender-convert-package] The allocated boot part size 40 MiB is too small.
2022-11-18 17:43:11 [WARN] [mender-convert-package] The actual boot part size is 256 MiB
2022-11-18 17:43:11 [WARN] [mender-convert-package] Will adjust MENDER_BOOT_PART_SIZE_MB automatically
2022-11-18 17:43:11 [WARN] [mender-convert-package] Consider adjusting the configuration file to avoid this message
2022-11-18 17:43:12 [INFO] [mender-convert-package] Rootfs filesystem size will be 2791 MiB
2022-11-18 17:43:12 [INFO] [mender-convert-package] Creating a file-system image from: work/rootfs/data/
2022-11-18 17:43:12 [INFO] [mender-convert-package] Creating a file-system image from: work/rootfs/
2022-11-18 17:43:26 [INFO] [mender-convert-package] Copying root filesystem image to deploy directory
2022-11-18 17:43:28 [INFO] [mender-convert-package] Writing Mender artifact to: deploy/armhf_bullseye_20220922_updated_javafx11_8gb-raspberrypi3-mender.mender
2022-11-18 17:43:28 [INFO] [mender-convert-package] This can take up to 20 minutes depending on which compression method is used
2022-11-18 17:43:52 [INFO] [mender-convert-package] Creating Mender compatible disk-image
2022-11-18 17:43:52 [INFO] [mender-convert-package] Total disk size: 8192 MiB
2022-11-18 17:43:52 [INFO] [mender-convert-package] Boot partition 256 MiB
2022-11-18 17:43:52 [INFO] [mender-convert-package] RootFS partitions 3892 MiB x 2
2022-11-18 17:43:52 [INFO] [mender-convert-package] Data partition 128 MiB
2022-11-18 17:43:52 [INFO] [mender-convert-package] Using input diskimage partition scheme (dos)
2022-11-18 17:43:52 [INFO] [mender-convert-package] Writing DOS (MBR) partition table
2022-11-18 17:43:54 [INFO] [mender-convert-package] Writing boot partition image
2022-11-18 17:43:55 [INFO] [mender-convert-package] Writing rootfsa partition image
2022-11-18 17:44:11 [INFO] [mender-convert-package] Writing rootfsb partition image
2022-11-18 17:44:32 [INFO] [mender-convert-package] Writing data partition image
2022-11-18 17:44:33 [INFO] [mender-convert-package] Performing platform specific package operations (if any)
2022-11-18 17:44:33 [INFO] [mender-convert-package] Running hook: platform_package
2022-11-18 17:44:33 [INFO] [mender-convert-package] Conversion has completed! \o/
mender-convert-package has finished. Cleaning up...
Output Artifacts and images can be found in the deploy directory:
deploy/armhf_bullseye_20220922_updated_javafx11_8gb-raspberrypi3-mender.cfg
deploy/armhf_bullseye_20220922_updated_javafx11_8gb-raspberrypi3-mender.ext4
deploy/armhf_bullseye_20220922_updated_javafx11_8gb-raspberrypi3-mender.img
deploy/armhf_bullseye_20220922_updated_javafx11_8gb-raspberrypi3-mender.mender

mender-convert$ ll input/
...
-rw-r--r-- 1 root root 7973371904 Nov 18 18:33 armhf_bullseye_20220922_updated_javafx11_8gb.img

mender-convert$ ll deploy/
...
-rw-r--r-- 1 user user 2927296512 Nov 18 18:43 armhf_bullseye_20220922_updated_javafx11_8gb-raspberrypi3-mender.ext4
-rw-r--r-- 1 user user 8589934592 Nov 18 18:44 armhf_bullseye_20220922_updated_javafx11_8gb-raspberrypi3-mender.img
-rw-r--r-- 1 user user 940161024 Nov 18 18:43 armhf_bullseye_20220922_updated_javafx11_8gb-raspberrypi3-mender.mender

```

---

<div class="post-metadata">

**Author:** ![oleorhagen](https://yyz2.discourse-cdn.com/flex036/user_avatar/hub.mender.io/oleorhagen/32/297_2.png) [@oleorhagen](https://hub.mender.io/u/oleorhagen)\
**Post date:** [November 23, 2022, 12:02pm UTC](https://hub.mender.io/t/mender-convert-for-raspberry-pi-3-storage-card-too-small/5427/6 "2022-11-23T12:02:16Z")

</div>

Hi @_richard

I just ran a conversion like so:

```auto
➜ LH mender-convert git:(2758eec) ✗ cat configs/raspberrypi3_config
RASPBERRYPI_CONFIG="raspberrypi3"
RASPBERRYPI_KERNEL_IMAGE="kernel7.img"
MENDER_KERNEL_IMAGETYPE="zImage"
MENDER_DEVICE_TYPE="raspberrypi3"

source configs/raspberrypi_config

MENDER_BOOT_PART_SIZE_MB=256
MENDER_STORAGE_TOTAL_SIZE_MB=15000
➜ LH mender-convert git:(2758eec) ✗ MENDER_ARTIFACT_NAME=foo ./docker-mender-convert --disk-image ./input/2019-06-20-raspbian-buster-lite.img --config configs/raspberrypi3_config

```

And this is the output:

```auto
➜ LH mender-convert git:(2758eec) ✗ fdisk -l deploy/2019-06-20-raspbian-buster-lite-raspberrypi3-mender.img
Disk deploy/2019-06-20-raspbian-buster-lite-raspberrypi3-mender.img: 14.65 GiB, 15728640000 bytes, 30720000 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: 0xf97472d0

Device Boot Start End Sectors Size Id Type
deploy/2019-06-20-raspbian-buster-lite-raspberrypi3-mender.img1 * 24576 557055 532480 260M c W95 FAT32 (LBA)
deploy/2019-06-20-raspbian-buster-lite-raspberrypi3-mender.img2 557056 15499263 14942208 7.1G 83 Linux
deploy/2019-06-20-raspbian-buster-lite-raspberrypi3-mender.img3 15499264 30441471 14942208 7.1G 83 Linux
deploy/2019-06-20-raspbian-buster-lite-raspberrypi3-mender.img4 30441472 30703615 262144 128M 83 Linux

```

Which looks about right to me.

Can you produce the same sort of output for me?