Midrange Storage Performance Planning: External Host Considerations + Plan For Customer Performance Needs

Question 1

How does host alignment for Unity XT block LUNs work?

Answer 1

only needs to be done for host OS which still uses 63-block disk header

Question 2

What happens once a host is attached to a Powerstore volume?

Answer 2

host can use volume as raw device or create a local file system on the volume first

Question 3

What should you do if a local filesystem is being created on a Powerstore volume once host has been attached?

Answer 3

disable SCSI unmap

when Powerstore creates a volume all data is already unmapped

host based unmap is redundant and puts extra stress on Powerstore

Question 4

What file system block size should you use for Powerstore?

Answer 4

4KB or a multiple of 4KB

not necessary to create alignment when creating a local file system

Question 5

What is the use case for Dell UnityVSA?

Answer 5

provides storage for environments that don’t require purpose built hardware

Question 6

What is Dell Unity Cloud Edition?

Answer 6

virtual appliance that runs on VMC on AWS

can be deployed on VMWare SDDC to run NFS and SMB native file services

also can be a DR solution for on-prem Unity

Question 7

What is the capacity limit on Dell Unity Cloud Edition?

Answer 7

350TB

Question 8

What are the performance options for Dell Unity Cloud Edition?

Answer 8

2 core 12GB memory

12 core 96GB memory Dual SP