FlashBlade

Question 1

FIOM (Fabric I/O Module) Ethernet uplink connections speeds

Answer 1

100 GbE
40 GbE
25 Gbe
10 GbE

Question 2

FIOM uplink port transceivers

Answer 2

QSFP28

Question 3

How does FlashBlade support LACP?

Answer 3

Multi-Chassis Link Aggregation (MLAG) to form LACP bonds with the upstream switches

Question 4

Does FlashBlade support InfiniBand?

Answer 4

No

Question 5

Does FlashBlade support UDP?

Answer 5

No

Question 6

Versions of NFS supported on FlashBlade

Answer 6

NFSv3
NFSv4.1

Question 7

How to support user membership above 16 groups

Answer 7

Configure a Directory Service for NFS (OpenLDAP, Active Directory or NIS)

Question 8

Which protocol is stateful, NFSv3 of NFSv4.1?

Answer 8

NFSv4.1

Question 9

Which protocol supports Kerberos authentication?

Answer 9

NFSv4.1

Question 10

Which protocol supports nconnect?

Answer 10

NFSv3

Question 11

Name the Directory Services required for Kerberos authentication with NFSv4.1

Answer 11

OpenLDAP
Active Directory
NIS

Question 12

What is an NFS export policy?

Answer 12

A set of export rules.

Question 13

Versions of SMB supported on FlashBlade

Answer 13

SMB 2.1
SMB 3.1.1

Question 14

Supported SMB 3.1.1 encryption types for data in transit

Answer 14

AES-128-GCM
AES-128-CCM
AES-256-GCM
AES-256-CCM

Question 15

Typical overhead of SMB 3.1.1 encryption

Answer 15

10-15%

Question 16

Does FlashBlade support SMB 3.1.1 Continuous Availability (CA)?

Answer 16

No

Question 17

If the file or directory was created by an SMB client, the owner has a SID or a UID?

Answer 17

SID

Question 18

If the file or directory was created by an NFS client, the owner has a SID or a UID?

Answer 18

UID

Question 19

Which attributes are enabled in Active Directory to allow Unix user and group information to be stored along with the Windows SID?

Answer 19

RFC 2307

Question 20

Permissions can be set on the individual SMB share level from the FlashBlade using Share Policies from which version of Purity//FB?

Answer 20

Purity//FB 4.1.0+

Question 21

Name the three Acccess Control Styles (ACS) used to determine how SMB and NFS permissions interact when clients make changes to the file system’s permissions on files and directories

Answer 21

Shared (default)
NFS
SMB

Question 22

What do SafeGuard ACLs do?

Answer 22

SafeGuard ACLs help preserve NFSv4.1 or Windows (NTFS) ACLs and prevents overwrites from POSIX (mode bits) clients.

Question 23

How many live snapshots does FlashBlade support?

Answer 23

Up to 100,000 live snapshots on the array and 512 snapshots per file system

Question 24

What is the maximum throughput from one FlashBlade//S chassis?

Answer 24

800 Gb/s
100 GB/s
360 TB/hr

Question 25

How many blades per FlashBlade//S chassis/

Answer 25

Min 7 Max 10

Question 26

How many DFMs per blade in FlashBlade//S?

Answer 26

Min 1 Max 4

Question 27

Maximum number of blades in a FlashBlade//S system?

Answer 27

50

Question 28

What is the Rapid File Toolkit (RFT)?

Answer 28

A set of supercharged tools designed to efficiently manage millions of files using familiar Linux command line interfaces

Question 29

What does nconnect for NFS do?

Answer 29

It allows the client to open multiple TCP connections with the server, which boost overall NFS performance through parallelization

Question 30

Throughput per blade

Answer 30

1 GB/s read 300 MB/s write

Question 31

Maximum blades per system

Answer 31

150

Question 32

Number of authorities

Answer 32

128

Question 33

Minimum version of Purity//FB for multi-chassis

Answer 33

Purity//FB 4.1.5

Question 34

Minimum version of Purity//FB for NDU from First-gen to FB//S

Answer 34

Purity//FB 4.3.0

Question 35

What is the block size?

Answer 35

512 B variable block size

Question 36

Maximum number of blades in a First-generation FlashBlade system?

Answer 36

150

Question 37

Minimum system size for FlashBlade//E

Answer 37

3.8 PB 1 Control Chassis + 1 Expansion Chassis

Question 38

Maximum system size for FlashBlade//E

Answer 38

7.6 PB 1 Control Chassis + 3 Expansion Chassis

Question 39

How many rack U is the First-generation FlashBlade chassis?

Answer 39

4U

Question 40

How many rack U is the FlashBlade//S chassis?

Answer 40

5U

Question 41

What load balances incoming client streams across the available blades?

Answer 41

ECMP (Equal Cost Multi-Pathing)

Question 42

SafeMode eradication timer on FlashBlade can be set from how many days to a maximum of what?

Answer 42

SafeMode allows the eradication timer to be adjusted from 24 hours up to 400 days