Huawei HCNP-SSAM(SAN Storage Advanced Management)-ENU HC-621 Exam Practice Test

The reason SAN storage arrays, RAID group fail or cause abnormalities usually have? (Choose two)

By the ISM or SSH login storage system fails, the diagnosis is usually thought of. recognition under normal circumstances controller LEDs, check management link physical state, and then check the IP address of connectivity, check management port up, then check the ISM SSH version or configuration, final inspection ISM and ISM agent service is started normally

When S5000 configuration cache policy, if adopted mirrored write-back mode, due to the need to interact and mirror operation to transfer data between two controllers, so the overall performance than write-back does not mirror the way hearing.

Troubleshooting SAN storage systems, the log cannot be judged by ISM failures, which log files can be further analyzed by the system? (Choose three)

In the case of Web services applications, Email, database applications, such as reading and writing small files frequently, SAN performance is mainly determined by the bandwidth; video, mapping and other large files under sustained read and write operations, SAN performance is mainly determined by the IOPS.

The presence of random writes RAID5 "write punishment" will affect write performance, which of the following statements are true. (Choose three)

OceanStor series fan module is stored under a fault condition, the other fan module will automatically increase speed to ensure the system under a single temperature-controlled fan module, then it needs to be replaced a failed fan.