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While migrating our file server to a ZFS file system with rsync -avxHAXS ... I get errors like:

rsync: [generator] set_acl: sys_acl_set_file(path/to/file, ACL_TYPE_ACCESS): Operation not supported (95)

I've already configured ZFS ACL settings with:

zfs set aclmode=passthrough aclinherit=passthrough pool/home

Apparently this error can occur in rsync 3.2.3 (https://github.com/WayneD/rsync/issues/109), but upgrading to the patched 3.2.4 did not solve my issue.

Roger Dueck
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1 Answers1

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After much searching, I found the answer at https://forum.proxmox.com/threads/rsync-set_acl-sys_acl_set_file-archiv-acl_type_default-operation-not-supported-95.25543/. The following ZFS setting fixes the issue:

zfs set acltype=posixacl pool/home
Roger Dueck
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