# \#deltaupdate **URL:** https://hub.mender.io/tag/deltaupdate/229.md [Latest](https://hub.mender.io/latest.md) · [Categories](https://hub.mender.io/categories.md) · [Tags](https://hub.mender.io/tags.md) --- ## ["Mounted root does not match boot loader environment" error with overlayroot setup](https://hub.mender.io/t/mounted-root-does-not-match-boot-loader-environment-error-with-overlayroot-setup/7911)
**Author:** [@adbjo](https://hub.mender.io/u/adbjo)\ **Replies:** 5\ **Last updated:** [July 10, 2026, 6:42pm UTC](https://hub.mender.io/t/mounted-root-does-not-match-boot-loader-environment-error-with-overlayroot-setup/7911 "2026-07-10T18:42:48Z")
When using the overlayroot package on Debian to mount a rw overlay on top of a ro rootfs, the rootfs update module fails with the following error: "Mounted root does not match boot loader environment ($1)!" See this li… --- ## [Read-only file system / issues with Overlayfs](https://hub.mender.io/t/read-only-file-system-issues-with-overlayfs/7175)
**Author:** [@Remicorp](https://hub.mender.io/u/Remicorp)\ **Replies:** 2\ **Last updated:** [September 12, 2024, 7:35am UTC](https://hub.mender.io/t/read-only-file-system-issues-with-overlayfs/7175 "2024-09-12T07:35:34Z")
Hello, We are currently testing Mender’s capabilities. Our goal is to manage Ubuntu server-based images and deploy system, application, and container updates. For this, we also aim to use a read-only file system. I di… --- ## [Is it possible to use binary delta updates on a Debian OS device? If so, how can this be achieved? What If we use dockerise image to deploy our application. Is delta update useful for dockerise application or not?](https://hub.mender.io/t/is-it-possible-to-use-binary-delta-updates-on-a-debian-os-device-if-so-how-can-this-be-achieved-what-if-we-use-dockerise-image-to-deploy-our-application-is-delta-update-useful-for-dockerise-application-or-not/7091)
**Author:** [@vimoxshah](https://hub.mender.io/u/vimoxshah)\ **Replies:** 3\ **Last updated:** [August 12, 2024, 8:31am UTC](https://hub.mender.io/t/is-it-possible-to-use-binary-delta-updates-on-a-debian-os-device-if-so-how-can-this-be-achieved-what-if-we-use-dockerise-image-to-deploy-our-application-is-delta-update-useful-for-dockerise-application-or-not/7091 "2024-08-12T08:31:55Z")
I found that mender-binary-delta is available in Yocto-based projects, according to the documentation, but I need to understand if and how a similar approach can be implemented on a Debian OS. --- ## [Delta update failure / reliability?](https://hub.mender.io/t/delta-update-failure-reliability/6828)
**Author:** [@void\_brain](https://hub.mender.io/u/void_brain)\ **Replies:** 0\ **Last updated:** [May 17, 2024, 10:54am UTC](https://hub.mender.io/t/delta-update-failure-reliability/6828 "2024-05-17T10:54:06Z")
I am using an rpi4-b, I have tried a lot of delta updates. However sometimes I do have checksums related issues which i do not understand. For instance I have 3 releases: prod-11 prod-12 prod-13 I have already did an i… --- ## [Delta updates on Ubuntu server version](https://hub.mender.io/t/delta-updates-on-ubuntu-server-version/6369)
**Author:** [@Utsav\_Shah](https://hub.mender.io/u/Utsav_Shah)\ **Replies:** 0\ **Last updated:** [November 23, 2023, 7:37am UTC](https://hub.mender.io/t/delta-updates-on-ubuntu-server-version/6369 "2023-11-23T07:37:11Z")
Hello all, I am trying to implement delta updates using the mender-binary-delta tool but this does not seem to work. The deployment status was constantly stuck at downloading and I did not observe any progress. I read t… --- ## [Xdelta3: target window checksum mismatch: XD3\_INVALID\_INPUT](https://hub.mender.io/t/xdelta3-target-window-checksum-mismatch-xd3-invalid-input/5816)
**Author:** [@penlect](https://hub.mender.io/u/penlect)\ **Replies:** 1\ **Last updated:** [May 8, 2023, 6:45am UTC](https://hub.mender.io/t/xdelta3-target-window-checksum-mismatch-xd3-invalid-input/5816 "2023-05-08T06:45:10Z")
I managed to resolve the issue before posting here, but I’m sharing my experience in case it helps someone else. Our system is running on Ubuntu. We utilize delta updates. We use a package called overlayroot to achieve… --- ## [Delta update that jumps multiple releases](https://hub.mender.io/t/delta-update-that-jumps-multiple-releases/5663)
**Author:** [@penlect](https://hub.mender.io/u/penlect)\ **Replies:** 1\ **Last updated:** [March 10, 2023, 8:49am UTC](https://hub.mender.io/t/delta-update-that-jumps-multiple-releases/5663 "2023-03-10T08:49:09Z")
Suppose I have four rootfs-image releases: A, B, C, and D, and their corresponding delta artifacts A-\>B, B-\>C, and C-\>D generated and uploaded to the mender server. If I have a system running A in production, can I gen… --- ## [Delta Update rootfs-image Provides field](https://hub.mender.io/t/delta-update-rootfs-image-provides-field/5651)
**Author:** [@aqb](https://hub.mender.io/u/aqb)\ **Replies:** 2\ **Last updated:** [March 2, 2023, 4:50pm UTC](https://hub.mender.io/t/delta-update-rootfs-image-provides-field/5651 "2023-03-02T16:50:30Z")
Context: I am trying to use Mender to apply delta updates on a device that’s running, let’s say, software v 1.0 that was installed via a mender artifact. However, I am getting an error that’s along the lines of: Artifac… --- ## [Package delta update](https://hub.mender.io/t/package-delta-update/4698)
**Author:** [@boscorently](https://hub.mender.io/u/boscorently)\ **Replies:** 4\ **Last updated:** [March 7, 2022, 9:33am UTC](https://hub.mender.io/t/package-delta-update/4698 "2022-03-07T09:33:28Z")
I wanted to know if there is a way to have only files that have changes in a package be updated inorder to save further on bandwidth cost. I understand that there is delta update for rootfs but is there a way to create … --- ## [Delta Updates without a initial rootfs update](https://hub.mender.io/t/delta-updates-without-a-initial-rootfs-update/4571)
**Author:** [@B-Stefan](https://hub.mender.io/u/B-Stefan)\ **Replies:** 5\ **Last updated:** [February 11, 2022, 8:01pm UTC](https://hub.mender.io/t/delta-updates-without-a-initial-rootfs-update/4571 "2022-02-11T20:01:31Z")
If I understood the guide correctly you need to apply a initial rootfs update before you can use the delta updates. Source: Robust delta update rootfs Our process is right now: Create a .uefi image with yocto Flash t…