How to Perform Storage Cell Expansion on ZDLRA RoCE Hardware ONLY!!!
(Doc ID 2664533.1)
Last updated on MAY 12, 2022
Applies to:
Zero Data Loss Recovery Appliance Software - Version 19.2.1.1.2 to 19.2.1.1.2Linux x86-64
Goal
This document provides instructions on how to perform Storage Expansion on ZDLRA RoCE Hardware.
The use cases covered in this document include:
- Same DELTA Storage Expansion
- ZDLRA X8M + X8M Storage cells
- ZDLRA X9M + X9M Storage cells
- ZDLRA X8M + X9M Storage cells (Less than 3 cells)
- New DELTA(n) Storage Expansion
- ZDLRA X8M + X9M Storage cells (3 or more cells)
Solution
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In this Document
| Goal |
| Solution |
| Confirm ZDLRA Services are online (First compute node) |
| Cell cell attributes on the new cells (All new storage cells) |
| Configure Flashcache (All new storage cells) |
| Update Etc Hosts (All compute nodes) |
| Update cellip.ora (All compute nodes) |
| Create Celldisks and Griddisks (All new storage cells) |
| Use Case 1: SAME DELTA Storage Expansion |
| ZDLRA X8M + X8M Storage Cells |
| Confirm the new griddisks can be seen by kfod (First compute node) |
| Add the new griddisks to the ASM diskgroups (First compute node) |
| Check Rebalance (First compute node) |
| Check storage_location size |
| Update the db_recovery_file_dest to the new Storage Location |
| Create RA_CF |
| Increase the size of the RA_POOL tablespace |
| Update the SL_sizing Table Using the API Call |
| Get the size of the Storage Location as RASYS USER |
| Validate the size of Diskgroup (+DELTA) to be added to the Storage Location |
| Update the Storage Locations to include the new storage |
| Confirm that the storage location has increased in size |
| Update the throttle to update the config values |
| Confirm the Storage Location Size |
| Use Case 2: New DELTA(n) Expansion |
| ZDLRA X8M + X9M Storage Cells (3 or more cells) |
| Confirm the new griddisks can be seen by kfod (First compute node) |
| Update the asm_diskstring to Include the New Diskgroup |
| Create the new DELTA(n) ASM diskgroup |
| Add the CATALOG griddisks to the CATALOG ASM diskgroup |
| Check Rebalance (First compute node) |
| Check storage_location size |
| Mount the new diskgroup on the other compute nodes (All other compute nodes) |
| Use API call to Change the value of db_recovery_file_dest_size parameter |
| Create RA_CF |
| Check the NEW value of db_recovery_file_dest_size parameter |
| Increase the size of the RA_POOL tablespace |
| Get current data files count in rapoolN (rapool, rapool2, rapool3, rapool4) and confirm value = 56* #of X8M cell |
| Confirm that there are two (2) DELTA Diskgroups |
| Confirm the multi tbs layout value Is 1 |
| Confirm disk group number (X8 + X9) with value 2 |
| Get new diskgroup number and diskgroup name |
| Get total cell count after adding X9 cells |
| Get total target value from rapool_interim_view |
| Cleanup the rapool_interim_table |
| Update rapool_interim_table |
| Confirm 8 rows in rapool_interim_table |
| Update rapool_interim_table with value got from very beginning |
| Check the rapool_interim_table |
| Create data file in DELTA2 for rapool, rapool2, rapool3, rapool4 |
| Check rapool_view |
| Update the SL_sizing Table Using the API Call |
| Get the size of the Storage Location as RASYS USER |
| Update the Storage Locations to include the new storage |
| Confirm the Expansion was Successful by checking the sizes for SL |
| Update the throttle to update the config values |
| Confirm the Storage Location Size |