PowerMax and VMAX All Flash Solutions Design (Disaster Recovery Operations)

Question 1

What is the Failover operation for DR?

Answer 1

makes a copy of the data on R2 devices available to the hosts accessing these devices on the target array

R1 devices are set to write disabled so they should be unmounted before failover

Question 2

What is the Update operation for DR?

Answer 2

begins transfer of accumulated invalid tracks from the R2s to the R1s while production work continues on the R2s

Question 3

What is the Failback operation for DR?

Answer 3

resumes operations back to primary host accessing source devices

Question 4

What is the Establish operation for SRDF support?

Answer 4

resumes normal SRDF mirroring

Question 5

What is the Suspend operation for SRDF support?

Answer 5

suspends IO traffic on the SRDF links for the specific remotely mirrored SRDF pairs in the group or device file

Question 6

What is the Resume operation for SRDF support?

Answer 6

resumes IO traffic on the SRDF links

Question 7

What is the Split operation for SRDF support?

Answer 7

suspends the link between the R1 and R2 pairs

read/write enables the R2 device for target host access

Question 8

What is the Restore operation for SRDF support?

Answer 8

resumes normal SRDF mirroring

Question 9

What is the Swap operation for SRDF support?

Answer 9

operation swaps the personality of both halves in an SRDF relationship

R1 becomes R2 and R2 becomes R1

Question 10

What is a concurrent SRDF device?

Answer 10

an SRDF device w/ two SRDF mirrors

each of the two concurrent mirrors must belong to different SRDF Groups