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Feature #6333

open

ZFS should let the user specify or modify the fsid_guid of a dataset

Added by Alexandre Lécuyer almost 6 years ago. Updated almost 6 years ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
zfs - Zettabyte File System
Start date:
2015-10-14
Due date:
% Done:

0%

Estimated time:
Difficulty:
Medium
Tags:
needs-triage
Gerrit CR:

Description

The fsid_guid of a dataset is used to derive the vfs_fsid when the dataset is mounted. It is then used as the fh3_fsid if the filesystem is NFS exported.

The ability to modify the fsid_guid, or to choose it for a newly created dataset, would ease the migration of NFS clients from a NFS fileserver to another. (if the fh3_fsid is the same on source and destination, no umount/mount is needed on the client)

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