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https://www.techrepublic.com/article/learn-to-use-extended-filesystem-acls/
Learn to use extended filesystem ACLs. ... ext3, and XFS. With XFS, ACL support is available pretty much "out of the box" and with ext2/ext3, it's available via a kernel patch that most Linux ...
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/storage_administration_guide/ch-acls
The Red Hat Enterprise Linux kernel provides ACL support for the ext3 file system and NFS-exported file systems. ACLs are also recognized on ext3 file systems accessed via Samba. Along with support in the kernel, the acl package is required to implement ACLs.
https://xfs.org/index.php/XFS_FAQ
In fact using an external log will disable XFS' write barrier support. Write barrier support. Write barrier support is enabled by default in XFS since kernel version 2.6.17. It is disabled by mounting the filesystem with "nobarrier". Barrier support will flush the write back cache at the appropriate times (such as on XFS …
https://vishmule.com/2015/06/11/access-control-list-acl-permissions-in-rhel7centos7/
Jun 11, 2015 · The filesystem needs to be mounted with ACL support enabled. XFS filesystems have built-in ACL support and Ext4 filesystem in RHEL7 have ACL option enabled by default. In earlier versions of RHEL you may need the ACL option included with mount request. First we see ACL permission on file named prod.conf.
http://xmodulo.com/configure-access-control-lists-acls-linux.html
Aug 18, 2014 · How to configure Access Control Lists (ACLs) on Linux. Last updated on August 18, ... XFS, Btfrs, etc. If you are not sure if the filesystem you are using supports ACLs, just read the documentation. Enable ACLs on your Filesystem. ... After installing ACL tools, it is necessary to enable ACL feature on our disk partitions so that we can start ...
https://access.redhat.com/solutions/2197311
The RHEL6 and the default RHEL7 XFS superblock is the version number 4. Superblock version 4 supports a maximum of only 25 ACL entries. Diagnostic Steps. RHEL6 git code: [rfreire@rf rhel6]$ grep XFS_ACL_MAX_ENTRIES fs/xfs/xfs_acl.h #define XFS_ACL_MAX_ENTRIES 25 } acl_entry[XFS_ACL_MAX_ENTRIES]; RHEL7 git code:
https://www.tecmint.com/rhcsa-exam-configure-acls-and-mount-nfs-samba-shares/
Jun 01, 2015 · Also, XFS enables user_xattr (extended user attributes) and acl (POSIX access control lists) as default mount options, unlike ext3 or ext4 (ext2 is considered deprecated as of RHEL 7), which means that you don’t need to specify those options explicitly either on the command line or in /etc/fstab when mounting a XFS filesystem (if you want to ...
https://www.ibm.com/support/knowledgecenter/SSEQVQ_8.1.8/client/c_bac_aclsupt.html
For example, on Solaris, the ACL information that is backed up from a VxFS file system is restored to a UFS file system because these file systems support compatible ACLs. The ACL information is not restored during cross-file system restore or retrieve operations if the original file system and the destination file system do not support ACLs,
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