HCIA Storage H13-611_V4.5 Updated Exam

Object interface, flexible data segmentation

External SCSI or file interface

Flat objects, easy to access and expand

Improve data integrity and security

CIFS is a network-based sharing protocol. It has high demands on network transmission reliability, so it usually uses TCP/IP.

One disadvantage of CIFS is that Windows clients must be equipped with dedicated software.

NFS is a stateless protocol while CIFS is a stateful protocol. NFS can be automatically recovered from a fault while CIFS cannot

Both the CIFS as well as the NFS protocol requires file format conversion.

Amount of data that can be received and written to the storage medium in a period of time.

Amount of data that can be transmitted and received over network in a period of time.

Amount of signals that can be sent or received by processors in a period of time.

Amount of calculations that can be processed in a period of time.

A logical volume can reside on multiple physical disks. Data storage can be physically discontinuous.

A volume group is built on physical volumes. A volume group can contain one physical volume group or multiple physical volumes.

Physical volumes reside on the lowest layer in the logical volume manager. Logical volumes and volume groups are dependent on physical volumes.

Multiple volume groups can be created on the space of a logical volume.