From f1c5459cb05eaeaa212f1cd133179f23330955b1 Mon Sep 17 00:00:00 2001 From: Sajid Ali Date: Fri, 19 Dec 2025 11:41:33 -0500 Subject: [PATCH] nfsv4 aces/acls file rename and minor edit --- docs/cloud/04_dataproc/02_data_management.md | 2 +- ...08_sharing_data_on_hpc.md => 08_sharing_data_on_hpc.mdx} | 6 ++++-- 2 files changed, 5 insertions(+), 3 deletions(-) rename docs/hpc/03_storage/{08_sharing_data_on_hpc.md => 08_sharing_data_on_hpc.mdx} (94%) diff --git a/docs/cloud/04_dataproc/02_data_management.md b/docs/cloud/04_dataproc/02_data_management.md index 94f7a23929..faa41b3848 100644 --- a/docs/cloud/04_dataproc/02_data_management.md +++ b/docs/cloud/04_dataproc/02_data_management.md @@ -4,7 +4,7 @@ HDFS stands for Hadoop Distributed File System. HDFS is a highly fault-tolerant ### File Permissions and Access Control Lists -You can share files with others using [access control lists (ACLs)](../../hpc/03_storage/08_sharing_data_on_hpc.md). An ACL gives you per-file, per-directory and per-user control over who has permission to access files. You can see the ACL for a file or directory with the getfacl command: +You can share files with others using [access control lists (ACLs)](../../hpc/03_storage/08_sharing_data_on_hpc.mdx). An ACL gives you per-file, per-directory and per-user control over who has permission to access files. You can see the ACL for a file or directory with the getfacl command: ```sh hdfs dfs -getfacl /user/_nyu_edu/testdir ``` diff --git a/docs/hpc/03_storage/08_sharing_data_on_hpc.md b/docs/hpc/03_storage/08_sharing_data_on_hpc.mdx similarity index 94% rename from docs/hpc/03_storage/08_sharing_data_on_hpc.md rename to docs/hpc/03_storage/08_sharing_data_on_hpc.mdx index 5e5c4c395d..a10adc28ca 100644 --- a/docs/hpc/03_storage/08_sharing_data_on_hpc.md +++ b/docs/hpc/03_storage/08_sharing_data_on_hpc.mdx @@ -1,8 +1,10 @@ # Sharing Data on HPC ## Introduction -To share files on the cluster with other users, we recommend using NFSv4 Access Control Lists (ACL) for a user to share access to their data with others. NFSv4 ACL mechanism allows for fine-grained control access to any files by any users or groups of users. We discourage users from setting `777` permissions with `chmod`, because this can lead to data loss (by a malicious user or unintentionally, by accident). - +To share files on the cluster with other users, we recommend using NFSv4 Access Control Lists (ACL) for a user to share access to their data with others. NFSv4 ACL mechanism allows for fine-grained control access to any files by any users or groups of users. +:::warning +We discourage users from setting `777` permissions with `chmod`, because this can lead to data loss (by a malicious user or unintentionally, by accident). +::: :::info Torch supports NFSv4 ACLs rather than the POSIX ACLs supported by Greene! NFSv4 ACLs allow for more fine grained control when compared to POSIX ACLs. :::