# \#s3

**URL:** https://forum.pydio.com/tag/s3/63.md

[Latest](https://forum.pydio.com/latest.md) · [Categories](https://forum.pydio.com/categories.md) · [Tags](https://forum.pydio.com/tags.md)

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## [SignatureDoesNotMatch with Ceph RGW S3 backend — path\_style not propagated to minio client](https://forum.pydio.com/t/signaturedoesnotmatch-with-ceph-rgw-s3-backend-path-style-not-propagated-to-minio-client/7932)

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**Author:** [@SJoon99](https://forum.pydio.com/u/SJoon99)\
**Replies:** 1\
**Last updated:** [April 3, 2026, 10:40am UTC](https://forum.pydio.com/t/signaturedoesnotmatch-with-ceph-rgw-s3-backend-path-style-not-propagated-to-minio-client/7932 "2026-04-03T10:40:13Z")

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Describe your issue in detail When using Ceph RGW as an S3-compatible backend, all datasync services fail with SignatureDoesNotMatch errors. The root cause is that path\_style (set during datasource bootstrap in discover…

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## [A FUSE filesystem client for Pydio Cells](https://forum.pydio.com/t/a-fuse-filesystem-client-for-pydio-cells/7889)

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**Author:** [@micahlt](https://forum.pydio.com/u/micahlt)\
**Replies:** 15\
**Last updated:** [January 30, 2026, 8:33am UTC](https://forum.pydio.com/t/a-fuse-filesystem-client-for-pydio-cells/7889 "2026-01-30T08:33:25Z")

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Hi all! I’ve been using Pydio for a while now but have been disappointed with its lack of a solid sync tool. I was working around it for a while, but then it occurred to me - what if there was a FUSE-mountable filesyst…

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## [Rclone can't perform a S3 multipart upload to Pydio](https://forum.pydio.com/t/rclone-cant-perform-a-s3-multipart-upload-to-pydio/5377)

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**Author:** [@jaimedelano](https://forum.pydio.com/u/jaimedelano)\
**Replies:** 13\
**Last updated:** [November 1, 2025, 4:42pm UTC](https://forum.pydio.com/t/rclone-cant-perform-a-s3-multipart-upload-to-pydio/5377 "2025-11-01T16:42:15Z")

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I was getting invalid MD5 error when trying to perform a multipart upload with Rclone. Here is what a have found. The function FromContentMD5 from minio/pkg/etag/etag.go expects a base64 encoded string but get a hexade…

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## [Connect S3 to pydiods1, cellsdata and personal after installing community edition](https://forum.pydio.com/t/connect-s3-to-pydiods1-cellsdata-and-personal-after-installing-community-edition/7164)

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**Author:** [@rechords25](https://forum.pydio.com/u/rechords25)\
**Replies:** 2\
**Last updated:** [March 29, 2025, 6:11pm UTC](https://forum.pydio.com/t/connect-s3-to-pydiods1-cellsdata-and-personal-after-installing-community-edition/7164 "2025-03-29T18:11:06Z")

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For first post, please answer the questions below! Describe your issue in detail I tried “moving” my default datasource (pydiods1) to a BackBlaze B2 storage bucket. Now, the datasource always shows the error {“Id”:“”,“C…

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## [S3 Gateway multipart upload copy](https://forum.pydio.com/t/s3-gateway-multipart-upload-copy/6104)

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**Author:** [@jaimedelano](https://forum.pydio.com/u/jaimedelano)\
**Replies:** 2\
**Last updated:** [February 5, 2025, 1:16pm UTC](https://forum.pydio.com/t/s3-gateway-multipart-upload-copy/6104 "2025-02-05T13:16:31Z")

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Can I suggest that you guys look into adding support for multipart upload copy/metadata update? Without this, it is not possible to update the modification time of files larger than 5GB, for example.

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## [Enabling S3 bucket encryption for the default \`pydiods1\` datasource makes \`binaries\` bucket download fail](https://forum.pydio.com/t/enabling-s3-bucket-encryption-for-the-default-pydiods1-datasource-makes-binaries-bucket-download-fail/6103)

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**Author:** [@ryip25](https://forum.pydio.com/u/ryip25)\
**Replies:** 0\
**Last updated:** [November 7, 2024, 11:35pm UTC](https://forum.pydio.com/t/enabling-s3-bucket-encryption-for-the-default-pydiods1-datasource-makes-binaries-bucket-download-fail/6103 "2024-11-07T23:35:01Z")

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For first post, please answer the questions below! Describe your issue in detail I am installing a fresh Pydio Cells using Docker and wanting to store everything to a S3-compatible service. Right after the first-time we…

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## [EOF error thrown by MinIO when uploading file](https://forum.pydio.com/t/eof-error-thrown-by-minio-when-uploading-file/6046)

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**Author:** [@RogerJohnson](https://forum.pydio.com/u/RogerJohnson)\
**Replies:** 1\
**Last updated:** [October 11, 2024, 6:45am UTC](https://forum.pydio.com/t/eof-error-thrown-by-minio-when-uploading-file/6046 "2024-10-11T06:45:18Z")

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I’m currently putting together a C# client and testing it against a local, docker-hosted enterprise Pydio service (Trial license). I haven’t had any trouble downloading a file I place onto the server in the admin’s perso…

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## [Datasource synchronization errors](https://forum.pydio.com/t/datasource-synchronization-errors/5598)

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**Author:** [@bures](https://forum.pydio.com/u/bures)\
**Replies:** 4\
**Last updated:** [December 29, 2023, 11:00am UTC](https://forum.pydio.com/t/datasource-synchronization-errors/5598 "2023-12-29T11:00:01Z")

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For first post, please answer the questions below! Describe your issue in detail When I’m trying to resync my datasource, I get a few errors. As the result the sync cannot be completed and the web interface does not sho…

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## [\[solved\] S3 "GET /?policy=" / REST.GET.BUCKETPOLICY - AWS logs with 404](https://forum.pydio.com/t/solved-s3-get-policy-rest-get-bucketpolicy-aws-logs-with-404/4886)

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**Author:** [@drzraf](https://forum.pydio.com/u/drzraf)\
**Replies:** 2\
**Last updated:** [January 4, 2023, 4:58pm UTC](https://forum.pydio.com/t/solved-s3-get-policy-rest-get-bucketpolicy-aws-logs-with-404/4886 "2023-01-04T16:58:06Z")

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While trying to debug "PutObjectPart has failed" (the S3 upload failure monster revival), I found that every couple of minutes, Pydio sends a request to the bucket at /?policy= which results in a 404. This ends up creat…

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## [Uploader unsuitable for folders of numerous small files](https://forum.pydio.com/t/uploader-unsuitable-for-folders-of-numerous-small-files/4887)

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**Author:** [@drzraf](https://forum.pydio.com/u/drzraf)\
**Replies:** 2\
**Last updated:** [January 2, 2023, 6:06pm UTC](https://forum.pydio.com/t/uploader-unsuitable-for-folders-of-numerous-small-files/4887 "2023-01-02T18:06:03Z")

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I just tried an upload test case: 3.6 GB, 770 folders, ~ 10k files. I found the uploading process ridiculously slow: The reason seems to be that, even with a queue size of 3, the transaction overhead of almost half a se…

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## ["PutObjectPart has failed" (the S3 upload failure monster revival)](https://forum.pydio.com/t/putobjectpart-has-failed-the-s3-upload-failure-monster-revival/4881)

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**Author:** [@drzraf](https://forum.pydio.com/u/drzraf)\
**Replies:** 3\
**Last updated:** [January 2, 2023, 2:44pm UTC](https://forum.pydio.com/t/putobjectpart-has-failed-the-s3-upload-failure-monster-revival/4881 "2023-01-02T14:44:50Z")

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This is a reroll of the major issue (clearly and easily reproducible) I commented about in NoSuchKey: Cells silently mis-uploaded files on S3 storage (now closed, but which contains all the gory details). Multi-MB files…

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## [.pydio file should not be 'exported' via S3](https://forum.pydio.com/t/pydio-file-should-not-be-exported-via-s3/4878)

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**Author:** [@GwynethLlewelyn](https://forum.pydio.com/u/GwynethLlewelyn)\
**Replies:** 1\
**Last updated:** [December 27, 2022, 7:44am UTC](https://forum.pydio.com/t/pydio-file-should-not-be-exported-via-s3/4878 "2022-12-27T07:44:56Z")

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Hi (again)! Under Pydio 4+, when using structured datastores (regular files & directories as opposed to the flat file mechanism), every directory will have a .pydio text file containing a single UUID; I believe these fi…

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## [Problem with indexing storage (Cells 4.0.4)](https://forum.pydio.com/t/problem-with-indexing-storage-cells-4-0-4/4818)

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**Author:** [@antonio.nogueira](https://forum.pydio.com/u/antonio.nogueira)\
**Replies:** 4\
**Last updated:** [December 8, 2022, 3:05pm UTC](https://forum.pydio.com/t/problem-with-indexing-storage-cells-4-0-4/4818 "2022-12-08T15:05:36Z")

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After uploading a very large movie to a personal folder the system produces and error: 2022-11-23T09:41:56.756Z e\[31mERRORe\[0m e\[35mpydio.grpc.data.sync.personale\[0m Cannot compute checksum for user/webminar/Webminar.mp…

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## [Registry error using etcd - v4](https://forum.pydio.com/t/registry-error-using-etcd-v4/4809)

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**Author:** [@cameron\_penwern](https://forum.pydio.com/u/cameron_penwern)\
**Replies:** 3\
**Last updated:** [November 17, 2022, 3:35pm UTC](https://forum.pydio.com/t/registry-error-using-etcd-v4/4809 "2022-11-17T15:35:57Z")

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Hello, I have been developing a cells v4 cluster using the third-party services described in https://pydio.com/en/docs/cells/v4/external-services When I run cells on two instances, the second instance isn’t able to acc…

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## [Nginx as a reverse proxy in front of Cells: what's the correct form of passing errors back?](https://forum.pydio.com/t/nginx-as-a-reverse-proxy-in-front-of-cells-whats-the-correct-form-of-passing-errors-back/4768)

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**Author:** [@GwynethLlewelyn](https://forum.pydio.com/u/GwynethLlewelyn)\
**Replies:** 0\
**Last updated:** [October 31, 2022, 10:20pm UTC](https://forum.pydio.com/t/nginx-as-a-reverse-proxy-in-front-of-cells-whats-the-correct-form-of-passing-errors-back/4768 "2022-10-31T22:20:34Z")

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This is perhaps an extremely basic question which might have been answered elsewhere, but I couldn’t find a matching answer… so here it goes: I run Cells 4.0.2 behind nginx, being used as a reverse proxy for the specifi…

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## [\[solved in 4.0.2\] S3 (Backblaze) no longer working with Cells 4.0.1](https://forum.pydio.com/t/solved-in-4-0-2-s3-backblaze-no-longer-working-with-cells-4-0-1/4744)

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**Author:** [@crobibero](https://forum.pydio.com/u/crobibero)\
**Replies:** 11\
**Last updated:** [October 31, 2022, 7:53pm UTC](https://forum.pydio.com/t/solved-in-4-0-2-s3-backblaze-no-longer-working-with-cells-4-0-1/4744 "2022-10-31T19:53:55Z")

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S3 config that worked in v3 no longer works after upgrading to v4. All datasources are using “S3-compatible Storage” Console error: "error": "The V2 signature authorization mechanism you have provided is not supported…

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## [\[solved\] Kubernetes - 500/502 WS/XHR errors](https://forum.pydio.com/t/solved-kubernetes-500-502-ws-xhr-errors/4691)

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**Author:** [@thecurseofrng](https://forum.pydio.com/u/thecurseofrng)\
**Replies:** 4\
**Last updated:** [October 20, 2022, 10:05pm UTC](https://forum.pydio.com/t/solved-kubernetes-500-502-ws-xhr-errors/4691 "2022-10-20T22:05:02Z")

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I’m trying to setup Pydio Cells in a Kubernetes cluster. The configuration phase mostly worked, but I’m now stuck with a broken setup, with XHR calls returning 500 errors and WebSockets calls 502 errors. The UI is only h…

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## [403 and 502 errors when uploading large files (especially ≥ 1 GB)](https://forum.pydio.com/t/403-and-502-errors-when-uploading-large-files-especially-1-gb/4709)

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**Author:** [@furrykef](https://forum.pydio.com/u/furrykef)\
**Replies:** 7\
**Last updated:** [October 13, 2022, 11:54am UTC](https://forum.pydio.com/t/403-and-502-errors-when-uploading-large-files-especially-1-gb/4709 "2022-10-13T11:54:23Z")

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We’re using Pydio 4.0.0 RC5, but we had the same issue with 3.0.9. We’re using DigitalOcean Spaces (an S3-compatible object store) as our storage, but also had the same issue with Wasabi. We’re using nginx 1.20.1 as a re…

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## [Only returns first 1,000 objects from S3 - Pydio Cells 4.0.0 RC3](https://forum.pydio.com/t/only-returns-first-1-000-objects-from-s3-pydio-cells-4-0-0-rc3/4661)

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**Author:** [@wpuckering](https://forum.pydio.com/u/wpuckering)\
**Replies:** 1\
**Last updated:** [August 30, 2022, 7:30am UTC](https://forum.pydio.com/t/only-returns-first-1-000-objects-from-s3-pydio-cells-4-0-0-rc3/4661 "2022-08-30T07:30:07Z")

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I created an S3-compatible data source (Wasabi), using “Keep data structure on storage”, and during sync only the first 1,000 files are detected (plus one additional node, probably the root). Re-sync doesn’t retrieve any…

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## [Scheduler task not writing to to S3 datasource - "Check your key and signing method."](https://forum.pydio.com/t/scheduler-task-not-writing-to-to-s3-datasource-check-your-key-and-signing-method/4593)

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**Author:** [@cameron\_penwern](https://forum.pydio.com/u/cameron_penwern)\
**Replies:** 3\
**Last updated:** [July 18, 2022, 1:13pm UTC](https://forum.pydio.com/t/scheduler-task-not-writing-to-to-s3-datasource-check-your-key-and-signing-method/4593 "2022-07-18T13:13:53Z")

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Hello, I am developing a pydio cells v3 environment on an EC2 instance and using S3 for storage. I am coming across an issue with the cells flows scheduler writing to files in the S3 storage. Installation The environ…

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## [Chunked-upload errors through CDNs doing request\_buffering](https://forum.pydio.com/t/chunked-upload-errors-through-cdns-doing-request-buffering/4379)

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**Author:** [@drzraf](https://forum.pydio.com/u/drzraf)\
**Replies:** 10\
**Last updated:** [July 1, 2022, 3:22pm UTC](https://forum.pydio.com/t/chunked-upload-errors-through-cdns-doing-request-buffering/4379 "2022-07-01T15:22:05Z")

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After fixing Request signature we calculated does not match (bis) \[chunked-upload\] and using 3.0.5 I could observe the following problem using chunked-upload (behind Cloudflare) to an unstructured S3 object storage backe…

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## [Which policy should I give when using S3 as storage backend?](https://forum.pydio.com/t/which-policy-should-i-give-when-using-s3-as-storage-backend/4411)

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**Author:** [@conghuayu](https://forum.pydio.com/u/conghuayu)\
**Replies:** 0\
**Last updated:** [March 20, 2022, 2:43pm UTC](https://forum.pydio.com/t/which-policy-should-i-give-when-using-s3-as-storage-backend/4411 "2022-03-20T14:43:48Z")

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Hi, I’m trying to use pydio cells connecting my minio service, I created a minio user called pydio, and Buckets prefix is “pydio-” in installation, but it seems that the best practices for S3 policies not being stated in…

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## [Request signature we calculated does not match (bis) \[chunked-upload\]](https://forum.pydio.com/t/request-signature-we-calculated-does-not-match-bis-chunked-upload/4272)

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**Author:** [@drzraf](https://forum.pydio.com/u/drzraf)\
**Replies:** 8\
**Last updated:** [February 28, 2022, 7:15pm UTC](https://forum.pydio.com/t/request-signature-we-calculated-does-not-match-bis-chunked-upload/4272 "2022-02-28T19:15:51Z")

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Same as these (which, sadly, were automatically closed before obtaining an answer): Uploads of bigger files are failing with SignatureDoesNotMatch Pydio cells - the request signature we calculated does not match …

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## [Davfs2 mount issue](https://forum.pydio.com/t/davfs2-mount-issue/4124)

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**Author:** [@divad1196](https://forum.pydio.com/u/divad1196)\
**Replies:** 4\
**Last updated:** [January 26, 2022, 8:44am UTC](https://forum.pydio.com/t/davfs2-mount-issue/4124 "2022-01-26T08:44:18Z")

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Hi, When I mount the webdav using davfs2 and create a file from my computer, the file can then not be deleted, neither from my computer nor the web interface using the “Delete Definitely” option. This has nothing to do …

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## [Cannot Stat Root / Cannot list ancestors list for](https://forum.pydio.com/t/cannot-stat-root-cannot-list-ancestors-list-for/4067)

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**Author:** [@drzraf](https://forum.pydio.com/u/drzraf)\
**Replies:** 3\
**Last updated:** [October 13, 2021, 11:05am UTC](https://forum.pydio.com/t/cannot-stat-root-cannot-list-ancestors-list-for/4067 "2021-10-13T11:05:50Z")

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These are my bucket’s user policies { "Version": "2012-10-17", "Statement": \[ { "Sid": "VisualEditor0", "Effect": "Allow", "Action": \[ "s3:PutObject", …

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## [Cells datasources : Minio S3 service seems up but can't use them](https://forum.pydio.com/t/cells-datasources-minio-s3-service-seems-up-but-cant-use-them/4019)

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**Author:** [@Bastien](https://forum.pydio.com/u/Bastien)\
**Replies:** 0\
**Last updated:** [August 30, 2021, 3:06pm UTC](https://forum.pydio.com/t/cells-datasources-minio-s3-service-seems-up-but-cant-use-them/4019 "2021-08-30T15:06:44Z")

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Hello, It was working for some month but can’t access my data-sources any-more. NFS was apparently broken during our vacations. Today I reboot the NFS share, then reboot pydio. NFS mounted successfully read-write, but I…

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## [504 Gateway Time-out When Deleting File And creating a Folder](https://forum.pydio.com/t/504-gateway-time-out-when-deleting-file-and-creating-a-folder/3923)

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**Author:** [@Teal\_c](https://forum.pydio.com/u/Teal_c)\
**Replies:** 0\
**Last updated:** [June 25, 2021, 4:44pm UTC](https://forum.pydio.com/t/504-gateway-time-out-when-deleting-file-and-creating-a-folder/3923 "2021-06-25T16:44:57Z")

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Hello, i am running Cells behind nginx proxy i can upload files just fine, but i cant delete the selected file via the web ui, also i cant create a new Folder i keep getting 504 Gateway Time-out when deleting a file an…

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## [S3 storage class](https://forum.pydio.com/t/s3-storage-class/3830)

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**Author:** [@Wellington\_Oliveira](https://forum.pydio.com/u/Wellington_Oliveira)\
**Replies:** 1\
**Last updated:** [May 5, 2021, 1:48pm UTC](https://forum.pydio.com/t/s3-storage-class/3830 "2021-05-05T13:48:46Z")

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How I can change S3 STORAGE CLASS? All my uploaded files was sent as STANDART class and I really need these files are stored in STANDARD\_IA, INTELLIGENT\_TIERING or even GLACIER class. These modes are so much cheaper!!

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## [Massive stability problems when using s3 storage (minio)](https://forum.pydio.com/t/massive-stability-problems-when-using-s3-storage-minio/3780)

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**Author:** [@rudepeople](https://forum.pydio.com/u/rudepeople)\
**Replies:** 3\
**Last updated:** [April 2, 2021, 2:25pm UTC](https://forum.pydio.com/t/massive-stability-problems-when-using-s3-storage-minio/3780 "2021-04-02T14:25:26Z")

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I’m trying to build a storage server to share out videos and pictures with friends and family and I’m running into a problem with connecting to an existing storage system. So this all comes down to pydio interacting wit…

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## [Suggestion: consolidate S3 API information in the same place](https://forum.pydio.com/t/suggestion-consolidate-s3-api-information-in-the-same-place/3797)

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**Author:** [@GwynethLlewelyn](https://forum.pydio.com/u/GwynethLlewelyn)\
**Replies:** 0\
**Last updated:** [March 27, 2021, 12:44am UTC](https://forum.pydio.com/t/suggestion-consolidate-s3-api-information-in-the-same-place/3797 "2021-03-27T00:44:49Z")

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Hi devs :slight\_smile: (or perhaps technical writers…) I’ve been trying to figure out how exactly the Pydio Cells S3 API works. The information on the Main API page is really very minimalistic; it’s not even clear if th…

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