A customer has upgraded his NS700 to NAS 5.4 code and would like to implement backup to disk with RAID 3 on his new ATA drive shelf. He will use the user defined template option. Which method will the system use to bind the LUNs?
Answer : B
You are using SRDF to migrate all Celerra Volumes from a Symmetrix 8830 to a new DMX
2000. Which NAS database files require changing to recognize the volumes on the new
DMX 2000?
Answer : D
A customer complains of slow performance with fs_copy and fs_replicate. Analysis of tcpdump shows very high retransmission rate. Param RCP tcpwindow is currently set to default. Round trip latency is about 3ms. The customer wants about 5MB/sec throughput.
What would be the most probable tcpwindow size to use to improve performance?
Answer : A
Your NS704G customer is using the default CLARiiON "prefetch multiplier" and "segment multiplier" settings. In most all cases, what will be the size of the prefetched data for the
Celerra?
Answer : B
Your customer has experienced network problems on his remote IP replication using
Celerra Replicator on NAS code 5.4. The customer changes the interface of the replication session and uses a dedicated network. Which steps are needed?
Answer : B
You configured a Fail-Safe Network (FSN) using two devices connected to two different switches.
What is an important issue to confirm with the customer's switch configuration?
Answer : C
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SRT - Service Response Time - time it takes the server to send the reply
Your customer is experiencing poor performance when accessing data from the Celerra
CIFS shares.
What conclusion can be made given the Ethereal capture shown?
Answer : B
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Which type of data would be backed-up using a CIFS network backup?
Answer : A
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You are doing a Celerra SRDF Restore using nas_rdf command on R2 site. SRDF is
Active/Passive.
Check the exhibit to see the message you receive on your console.
Which command does the script then tell you to run from the Remote site?
Answer : C
Which WWN listed would be correct for a NS704G?
Answer : D
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What is the minimum number of file systems required to support the VTLU in the diagram?
Answer : A
The customer states that their windows clients are experiencing poor performance when viewing properties of a Celerra network drive. Which stats would you look for in the server_cifsstat command?
Answer : A
Your customer is concerned that the memory requirements for SnapSure and Celerra
Replication on the same Celerra may affect the performance characteristics of other
Celerra applications. The customer is planning to checkpoint and replicate the following filesystems.
For planning purposes (on the Primary Celerra only), you estimate that the SavVol sizes will be 10% of the filesystem size.
Estimate the amount of memory that will be required on the Celerra for SnapSure and
Celerra Replicator.
Planning one checkpoint for each of the following filesystems
PFS1 - 50GB -
PFS2 - 220GB -
PFS3 - 157GB -
Planning replication of the following filesystems to a remote Celerra
Replicate1 - 135GB Replicate2 - 76GB
Answer : B
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Your customer is using the File Retention Capable Filesystem (CWORM) in NAS Code 5.4.
He is connecting to a SUN client. The Storage Administrator detects the file "filename" has a wrong expiration date.
Which statement is true?
Answer : D
The Backup Administrator is attempting to restore files to a file system managed by hard quotas. However, the quota limit is exceeded and the files are not restored. What must the
Backup Administrator do to recover the files?
Answer : B