NS0-157 · Question #47
Which of the following statements are true in a SnapMirror Load-Sharing (LS) mirror relationship? (Choose two)
The correct answer is B. Client requests to write data are denied unless accessing the .admin share D. Client requests to read data are redirected to the LS mirror destination volumes. SnapMirror Load-Sharing mirrors are read-only destination volumes that redirect client read requests to distribute NFS namespace load from the source volume.
Question
Which of the following statements are true in a SnapMirror Load-Sharing (LS) mirror relationship? (Choose two)
Options
- AClient requests to write data are allowed if the user is admin
- BClient requests to write data are denied unless accessing the .admin share
- CClient requests to read data are only allowed if the mirror is up-to-date
- DClient requests to read data are redirected to the LS mirror destination volumes
How the community answered
(17 responses)- A12% (2)
- B76% (13)
- C12% (2)
Why each option
SnapMirror Load-Sharing mirrors are read-only destination volumes that redirect client read requests to distribute NFS namespace load from the source volume.
LS destination volumes deny write requests for all users including administrators - privilege level does not override the read-only nature of the mirror destination, which is enforced at the volume level.
LS mirror destination volumes are strictly read-only; all client write requests are denied because the destination is a replicated, protected copy and cannot accept writes regardless of user privilege level.
Client read requests are not conditional on the mirror's synchronization state; reads are always served from the LS destination volume regardless of whether it reflects the latest updates from the source.
The core purpose of LS mirrors is to redirect client read requests to the destination volumes, distributing NFS namespace read traffic and offloading the primary source volume - this redirection is the defining feature of the load-sharing relationship.
Concept tested: SnapMirror Load-Sharing mirror read-only redirection behavior
Source: https://docs.netapp.com/us-en/ontap/data-protection/create-load-sharing-mirror-task.html
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