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NetApp NS0-194 Exam - Topic 1 Question 34 Discussion

Posted by Myra on Jul 30, 2022 at 10:37 AM

Your customer's MetroCluster has generated a "DISK REDUNDANCY FAILED" message.

Netapp-EmA:

Tue Jan 14 04:12:12 CET [netapp-EmA:cf.rv.notConnected:error]: HA interconnect: Connection for 'cfo_rv' failed.

Tue Jan 14 04:12:13 CET [netapp-EmA:rv.connection.torndown:info]: HA interconnect: cfo_rv1 is torn down on NIC 1.

Tue Jan 14 04:12:13 CET [netapp-EmA:cf.rv.notConnected:error]: HA interconnect: Connection for 'cfo_rv'1 failed.

Tue Jan 14 04:12:15 CET [netapp-EmA:rv.connection.torndown:info]: HA interconnect: cfo_rv2 is torn down on NIC 1.

Tue Jan 14 04:12:18 CET [netapp-EmA:cf.rv.notConnected:error]: HA interconnect: Connection for 'cfo_rv'2 failed.

Tue Jan 14 04:12:19 CET [netapp-EmA:bridge.removed:info]: FC-to_SAS bridge siteB_2:13.126L0 [ATTO FibreBridge6500N 1.61] S/N [FB7500N111161] was removed

Tue Jan 14 04:12:19 CET [netapp-EmA:bridge.removed:info]: FC-to_SAS bridge siteB_2:5.126L0 [ATTO FibreBridge6500N 1.61] S/N [FB7500N111160] was removed

Netapp-EmB:

Tue Jan 14 04:12:12 CET [netapp-EmB:cf.rv.notConnected:error]: HA interconnect: Connection for 'cfo_rv' failed.

Tue Jan 14 04:12:12 CET [netapp-EmB:rv.connection.torndown:info]: HA interconnect: cfo_rv2 is torn down on NIC 1.

Tue Jan 14 04:12:13 CET [netapp-EmB:rv.connection.torndown:info]: HA interconnect: cfo_rv1 is torn down on NIC 1.

Tue Jan 14 04:12:13 CET [netapp-EmB:cf.rv.notConnected:error]: HA interconnect: Connection for 'cfo_rv'1 failed.

Tue Jan 14 04:12:18 CET [netapp-EmB:cf.rv.notConnected:error]: HA interconnect: Connection for 'cfo_rv'2 failed.

Tue Jan 14 04:12:19 CET [netapp-EmB:bridge.removed:info]: FC-to_SAS bridge siteA_2:13.126L0 [ATTO FibreBridge6500N 1.61] S/N [FB7500N111167] was removed

Tue Jan 14 04:12:19 CET [netapp-EmB:bridge.removed:info]: FC-to_SAS bridge siteA_2:5.126L0 [ATTO FibreBridge6500N 1.61] S/N [FB7500N111164] was removed

Referring to the messages shown in the exhibit for each node, which component is causing the problem?

Suggested Answer: D

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12 comments · newest first
LO
Louann 11 months ago
Wait, are we sure it’s not the SAN switch on siteA_2?
ST
Stephanie 11 months ago
Totally agree, the connection failures point to the bridge.
SA
Sabra 12 months ago
I’m not so sure, could it be the ISL instead?
BU
Buddy 12 months ago
Definitely, those bridge removal messages are a big red flag.
NE
Nelida 12 months ago
Looks like the ATTO bridge on siteB_2 is the culprit.
MA
Marylou 1 year ago
I practiced a similar question, and I feel like the ATTO bridge on siteB_2 could be the culprit since it's mentioned in the logs.
CA
Carey 1 year ago
The repeated "notConnected" errors make me think it's related to the SAN switches, but I can't recall which site specifically.
BR
Brittni 1 year ago
I think the messages indicate that both nodes are having trouble with the HA interconnect, which might suggest a problem with the ISL between siteA and siteB.
MI
Mitzie 1 year ago
I remember something about the ATTO bridges being critical for connectivity, but I'm not entirely sure if it's the one on siteB_2 causing the issue.
AL
Alishia 1 year ago
This is a tricky one. The question is a bit vague, and I'm not entirely sure what they mean by the "networking plane." I'll have to review my notes on Huawei's distributed storage system architecture to see if I can figure out the right answer. Might be worth skipping this one for now and coming back to it later.
AV
Avery 1 year ago
I'm a little confused on this one. I know we talked about security incident response, but I can't recall the specific table name. I'll have to review my notes and try to eliminate the options that don't seem quite right.
AD
Adell 1 year ago
A view, definitely. That way, the query is saved and can be reused, and the calculated columns will be included. Seems like the most straightforward solution to me.
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