# \#fusion **URL:** https://community.seqera.io/tag/fusion/33.md [Latest](https://community.seqera.io/latest.md) · [Categories](https://community.seqera.io/categories.md) · [Tags](https://community.seqera.io/tags.md) --- ## [Nextflow Podcast Ep. 54: Fusion Snapshots](https://community.seqera.io/t/nextflow-podcast-ep-54-fusion-snapshots/2512)
**Author:** [@ewels](https://community.seqera.io/u/ewels)\ **Replies:** 0\ **Last updated:** [January 31, 2026, 8:34am UTC](https://community.seqera.io/t/nextflow-podcast-ep-54-fusion-snapshots/2512 "2026-01-31T08:34:12Z")
Episode 54 of the Nextflow Podcast is here! :studio\_microphone: :snowflake: This week I sat down with @lorenzo, an engineer at Seqera with an incredible background in Linux kernel internals. Lorenzo is the co-author… --- ## [Unable to validate Fusion license - reason: Unauthorized \[401\]](https://community.seqera.io/t/unable-to-validate-fusion-license-reason-unauthorized-401/2360)
**Author:** [@zinfin](https://community.seqera.io/u/zinfin)\ **Replies:** 3\ **Last updated:** [September 17, 2025, 1:20pm UTC](https://community.seqera.io/t/unable-to-validate-fusion-license-reason-unauthorized-401/2360 "2025-09-17T13:20:04Z")
I’ve been unable to find a solution to the following error when running a Nextflow pipeline through our Cloud Basic Seqera plan. We’re using our own AWS Batch configuration (manual). WARN: Missing JWT cookie from refres… --- ## [Issues with fusion](https://community.seqera.io/t/issues-with-fusion/2091)
**Author:** [@ka\_li](https://community.seqera.io/u/ka_li)\ **Replies:** 0\ **Last updated:** [April 24, 2025, 3:17am UTC](https://community.seqera.io/t/issues-with-fusion/2091 "2025-04-24T03:17:09Z")
Hi, all. I have been using nextflow version 24.10.3 to run my pipelines, which utilize the AWS EKS to execute processes. Until recently, everything was working fine. However, I have started encountering issues where the… --- ## [Pipeline not working in AWS Batch because of a fusion problem](https://community.seqera.io/t/pipeline-not-working-in-aws-batch-because-of-a-fusion-problem/2050)
**Author:** [@alanwilter](https://community.seqera.io/u/alanwilter)\ **Replies:** 5\ **Last updated:** [April 14, 2025, 4:51pm UTC](https://community.seqera.io/t/pipeline-not-working-in-aws-batch-because-of-a-fusion-problem/2050 "2025-04-14T16:51:53Z")
First, my pipeline works fine in my local server. Now I want it to run in AWS Batch using S3 for input and output. Everything seems ok, it finished the first process, FIND\_RAW\_FILES, whose input is a “folder” s3://lair… --- ## [Run nextflow with fusion without internet connection](https://community.seqera.io/t/run-nextflow-with-fusion-without-internet-connection/1636)
**Author:** [@ChrainWang](https://community.seqera.io/u/ChrainWang)\ **Replies:** 1\ **Last updated:** [January 27, 2025, 10:14am UTC](https://community.seqera.io/t/run-nextflow-with-fusion-without-internet-connection/1636 "2025-01-27T10:14:24Z")
I want to execute nextflow process in k8s cluster with fution. Since I’m developing the pipeline in corporate network, I need to configure wave to utilize private image registry. Anybody knows how to do this? Links of do… --- ## [Can process tasks read/write a shared path directly with Fusion?](https://community.seqera.io/t/can-process-tasks-read-write-a-shared-path-directly-with-fusion/1523)
**Author:** [@racosgrove](https://community.seqera.io/u/racosgrove)\ **Replies:** 5\ **Last updated:** [December 9, 2024, 10:49pm UTC](https://community.seqera.io/t/can-process-tasks-read-write-a-shared-path-directly-with-fusion/1523 "2024-12-09T22:49:54Z")
Hello. We are in the process of migrating a workflow from a SLURM environment to our K8+Fusion based Nextflow cluster and it’s largely going well, except for one thing. TLDR: Process tasks running in parallel need some … --- ## [Aws s3 cp with Fusion terminating multipart download early with v24.04.03](https://community.seqera.io/t/aws-s3-cp-with-fusion-terminating-multipart-download-early-with-v24-04-03/1026)
**Author:** [@didillysquat](https://community.seqera.io/u/didillysquat)\ **Replies:** 0\ **Last updated:** [July 29, 2024, 2:30pm UTC](https://community.seqera.io/t/aws-s3-cp-with-fusion-terminating-multipart-download-early-with-v24-04-03/1026 "2024-07-29T14:30:47Z")
We have the following process: process download\_star\_index { tag "Download STAR index" output: path("star"), emit: star\_index script: """ mkdir star aws s3 cp --no-sign-request ${params.star\_index} ./sta… --- ## [Renaming large files causing possible Fusion error](https://community.seqera.io/t/renaming-large-files-causing-possible-fusion-error/918)
**Author:** [@didillysquat](https://community.seqera.io/u/didillysquat)\ **Replies:** 4\ **Last updated:** [July 12, 2024, 3:29pm UTC](https://community.seqera.io/t/renaming-large-files-causing-possible-fusion-error/918 "2024-07-12T15:29:05Z")
Our pipeline normally operates on paired FASTQ files with read lengths of 42bp and 26bp in R1 and R2 respectively. Recently, we’ve used an alternative sequencing provider and now our R1 and R2 are 150bp in length. This … --- ## [Request for seqera platform/fusion support for the memverge float executor](https://community.seqera.io/t/request-for-seqera-platform-fusion-support-for-the-memverge-float-executor/804)
**Author:** [@cmatKhan](https://community.seqera.io/u/cmatKhan)\ **Replies:** 1\ **Last updated:** [June 2, 2024, 10:09am UTC](https://community.seqera.io/t/request-for-seqera-platform-fusion-support-for-the-memverge-float-executor/804 "2024-06-02T10:09:40Z")
I think this is already in the works, but I like using memverge. However, it seems like their checkpointing functionality doesn’t work with fusion currently. No response needed, of course – I just wanted to voice the re… --- ## [Nf-core/pangenome aws-megatests fail - maybe because of fusion or wave?](https://community.seqera.io/t/nf-core-pangenome-aws-megatests-fail-maybe-because-of-fusion-or-wave/527)
**Author:** [@subwaystation](https://community.seqera.io/u/subwaystation)\ **Replies:** 4\ **Last updated:** [March 1, 2024, 9:01am UTC](https://community.seqera.io/t/nf-core-pangenome-aws-megatests-fail-maybe-because-of-fusion-or-wave/527 "2024-03-01T09:01:49Z")
Hi SEQERA community, surprisingly the aws-megatests for the nf-core/pangenome pipeline fail: Seqera Cloud. This was already extensively discussed at Slack but it is unclear, why. Especially, because I can’t reproduce th… --- ## [With fusion based on (unlimited) object storage, how much of space is needed on the main OS itself?](https://community.seqera.io/t/with-fusion-based-on-unlimited-object-storage-how-much-of-space-is-needed-on-the-main-os-itself/278)
**Author:** [@abhi18av](https://community.seqera.io/u/abhi18av)\ **Replies:** 2\ **Last updated:** [November 14, 2023, 12:32pm UTC](https://community.seqera.io/t/with-fusion-based-on-unlimited-object-storage-how-much-of-space-is-needed-on-the-main-os-itself/278 "2023-11-14T12:32:50Z")
I’m curious regarding the use of /tmp storage in the context of fusionfs and just thinking out loud here :thinking: Since fusion is effectively powered by the (unlimited) object storage backends, what is the maximum sto… --- ## [Adapting existing AWS Batch infrastructure to integrate the Fusion file system](https://community.seqera.io/t/adapting-existing-aws-batch-infrastructure-to-integrate-the-fusion-file-system/257)
**Author:** [@ltosti-tagomics](https://community.seqera.io/u/ltosti-tagomics)\ **Replies:** 3\ **Last updated:** [November 2, 2023, 4:12pm UTC](https://community.seqera.io/t/adapting-existing-aws-batch-infrastructure-to-integrate-the-fusion-file-system/257 "2023-11-02T16:12:03Z")
Hi there, I would like to switch to the Fusion file system in my existing AWS Batch infrastructure configuration (which includes specific IAM roles with appropriate policies, custom AMIs with and without EBS-autoscaling,… --- ## [Using mv command in AWS environment with fusion](https://community.seqera.io/t/using-mv-command-in-aws-environment-with-fusion/231)
**Author:** [@ggabernet](https://community.seqera.io/u/ggabernet)\ **Replies:** 1\ **Last updated:** [October 28, 2023, 4:23am UTC](https://community.seqera.io/t/using-mv-command-in-aws-environment-with-fusion/231 "2023-10-28T04:23:33Z")
Hi all, I had a nextflow process that used the move command to change the name of a folder inside the work directory, and had issues running it on AWS with fusion. Nextflow terminated with the Missing declared output fil…