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True or false, with RedHat 6 using the storage array Huawei S5500T, when the storage array and the host are directly connected, the storage array host port can select a P2P network topology.
After the Cache mirror function between two controllers in the Ocenanstro T series storage array is enabled, the data of the two controllers and the cache are completely the same and a single controller failure does not affect data availability.
In an OceanStor V3 storage system, a disk domain has multiple types of disks. If one SAS disk is added to the disk domain, all disks of the disk domain will participate in data balancing.
The storage array provides the device LUN to the database. This LUN does not need to be labeled after being recognized by the host for the first time.
In the main backup and disaster recovery solution of Huawei a VIS6600T 4-node local high-availability cluster is deplyed. In the production site networking, each node of the VIS6000T needs to cooperate with at least how many connections each FC switch
An N8000 file system can be used when offline command to query file system flag:
echo "8192B.p S" | fsdb -t vxfs / dev / vx / rdsk / sfsdg / sfsvol | grep flag
Where sfsvol is the name of the file system and may appear as flsgs 0 mod 0 Clean 3c or flags 4000 mod clean 3c if flags last bit is 0, then the file system is set.
Production time is Monday to Friday 8:00 to 18:00. There are three LUNs, respectively LUN1, LUN2, LUN3, LUN1 with a size of 500G, all IO.
The average response time needs to be within 5ms, the size of LUN2 is 4TB, the coexistence of hot and cold data (with 12.5% of the hot data), and the size of LUN3 is 10TB. If performance requirements are not high and the engineer plans to use SmartTier, which of the following description is correct? (Multiple choice)
With Simpana in a multi-card, multi-network environment, you can use the data interface data interface pairs (DIP) to set the data from the source end-to-end network transmission path. Source and destination can use the host name and IP address to describe the network interface.
There are multiple network connections that can be configured to send multiple concurrent data streams. Based on this, which of the following configuration methods should be used? (multiple choice)
Which statements are true about Huawei OceanStor V3 HyperMirror feature? (Multiple Choice)
In Huawei FusionSphere, which are typical application scenarios of the snapshot function?
(Multiple Choice)
Which of the following statements about Huawei OceanStor V3 series storage array synchronous remote replication and asynchronous remote replication is incorrect? (Multiple choice)
When you create a LUN on the OceanStor T system V200R002 storage system, after the initial allocation policy is set to Automatically assigned LUN1 is created, you confirm 80% of LUN1's space is in the capacity layer. When you continue creating LUN2 in the same storage pool, the ratio of its space to the performance layer must be 0%.
A customer's database application is running on an OceanStor V3 storage system. The database uses six LUNs. The customer wants to migrate data from the OceanStor V3 storage system to an OceanStor 18000 series storage system based on the functions provided at the storage side. Which statements are true?
(Multiple Choice)
In preparation for disaster recovery design, which of the following is correct?
In a Huawei OceanStor 18000 the engine, SVP, disk enclosure, and PCIe switch interconnections must be in accordance with certain rules and order. Which of the following statement is incorrect?
HPUX system has two user volume groups: VG01 and VG02. If you execute the following commands:
vgexport-v-s-p -m /tmp/vg01.map / dev / vg01 and vgexport-v -s -m /tmp/vg01.map / dev / vg02.
What will be available using vglist to view the volume?
What are the recovery mode drills of the Huawei Replication Director disaster recovery?
(Multiple choice.)
Users use vsphere 5.5 to build business virtualization. In the course of the operation it was found that a host was using too many SCSI reservations, leading to vmfs performance degradation. What method can be used to eliminate the root cause of SCSI reservation conflicts? (Multiple choice.)
In a Huawei disaster preparedness plan using production site deployment with an oracle RAC cluster, to ensure that the disaster recovery database provides normal service should the production site fail, which of the following statements is correct?
A user configures Huawei OceanStor 9000 as follows:
1. Create a user group group01, group01 in the directory / home / group01 configuration like:
Recommended threshold: 10GB, software threshold: 15GB, grace period 10 days hard threshold 20GB
2. Create user user01 in the user group group01. The configuration of the user user01 in the directory / home / group01 is as follows:
The recommended threshold is 8GB
Software threshold 18GB
Grace period of 15 days
Hard threshold 25GB
The quota that user01 is in the directory / home / group01 is:
True or False, Info Replicator supports copying the data at the same time. The basic attributes of the home directory, extended attributes, ACL (access control list).
WORM (write-once-read-many) and CIFS / NFS share configuration information is known as a wealth island from the end. When a disaster occurs, master and slave sites can quickly take over the business after the switch.
Using non-deduplication storage based on the disk library strategy, data recovery fails after the data life of the backup has expired. What is a reason for this?
Huawei OceanStor storage controller BBUs are both in a fault alarm. Which description is correct for the upper application?
A TV station plans to adopt Huawei OceanStor 9000 as a back-end storage system, with 10 OceanStor 9000 C nodes, planned to be deployed in 4 standard cabinets, with all backends connected to a pair of stacked back-end CE6850 switches. There is no single customer in the existing networking standalone management network. Which of the network IP address planning described below is incorrect?
You want to improve host write performance on the primary storage. Two sets of OceanStor unified storage with synchronous remote replication are effective in doing this is which of the following ways? (Multiple choice.)
If a customer needs to install the simpana file system using the backup client on the production system server, which of the following configuration is essential? (Multiple choice.)
A N8500 (V200R001) clustered NAS system with a set of storage units at the back end. Three RAID Groups, respectively named RG1, RG2, RG3 have been created on the storage unit. There are two LUNs under each RAID group, the capacity of each LUN is 12G.
The names are RG1-LUN1, RG1-LUN2, RG2-LUN1, RG2-LUN2, RG3-LUN1, RG3-LUN2, and all LUNs are added to one in storage pool. The purpose is to create a file system based on these LUNs. What of the following will certainly create a failure?
In an HPUX system, you use the lv image lvreduce or lvsplit command / dev / vg01 / lv - test within a mirror. Which command will test the implementation of the following command lvsplist / dev / vg01 / lv -, using vgdisplay-v system to see what the lv is.
Maintaining a persistent connection between host and storage, ESXi must support multipathing. Which of the following statements is incorrect regarding multipathing for VMware vSphere 5.5?
VTL 6900 engines A and B nodes form a cluster, on the A, B node between the business bearer and the fault automatically switch, which of the following description is correct? (Multiple choice)
Which of the following is incorrect regarding the VTL6900 data deduplication featuree?
OceanStor V3 does not start up normally within 15 minutes after the system is powered on. What can you use to log in to the storage system in order to locate this fault? (Multiple choice.)
Which of the following is correct about the OLAP business load characteristics? (multiple choice)
Which of the following is not an authentication method supported by the OceanStor 9000 NFS protocol?
When you install the Simpana backup client on a virtual machine and perform a backup, the backup job status becomes pending and reports an error message "Cannot decode packet header: invalid start signature ", which of the following may be the cause of this problem?
In an 8500 Clustered NAS System there are several modules in the cluster communication architecture that work together to implement cluster communication such as resource agent, HAD, Gab, and LLT. Describe the correct mechanism for these. (Multiple choice.)
When a Simpana backup client failed to perform the backup task, the status reported the following error "failed to connect to indexing process from client [client] to [MediaAgent * MediaAgent * 8400 * 8402] .Error [Inability to connect to remote machine[MediaAgent] .Please check Network Connectivity or the machine may be down]." You check the client and the media service devices are normal. The possible reasons for this problem are:
Which of the following statements are a correct description of the CIFS agreement? (multiple choice)
A customer's production network resources are tight, and the budget is small. The current customer wants to introduce a backup solution in the existing configuration. Based on this, what is the recommended networking backup method is most appropriate for this customer?
Which of the following are correct regarding a Storage Array RAID 2.0 Typical Application Performance Tuning? (multiple choice)
A RedHat Linux 6 system includes a specific file folder read and write errors, the file system needs to be modified after the diagnosis. Which of the following is the correct repair operations?
With OceanStor V3 storage, which of the following businesses use smartTier features to improve storage system performance and reduce user costs? (Multiple choice)
The OceanStor 9000 log analysis tool is used to analyze the results of information collected and propose solutions to problems using on-site product maintenance tools. Which of the following statements are wrong regarding the use of log analysis tools? (Multiple choice)
Customers using 5 ESXI 5.5 hosts and configured DRS / HA, are seeing the error "HA insufficient resources" when the administrator starts the DB virtual machine. Using the HA configuration shown in the figure select the correct solution. (multiple choice)
Information of the disaster recovery research Beijing project mainly includes three aspects (Who / What / Why) description. Which of the following is true? (Multiple choice.)
OceanStor V3 storage resources are mapped to the bare devices on the host. The host creates a dedicated file system on the host. The test tool is used in the file system. The system produces a large number of 13KB size files, you randomly read these files to test the response time. Changing the prefetch length of 16KB can improve system performance in this case.
TESTED 21 Nov 2024
