how to split all flash datastore which is 190 TB

Muhammad Imran Lv2Posted Nov-03-2023 15:57

Anyone knows how to split datastore which is 190 TB all flash.
Remember 160 TB space is occupied already.

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mdamores Lv3Posted Nov-08-2023 10:14
  
this will be a very complex operation, and the steps will vary depending on the infrastructure and requirements. you may try the below:

1. back up your data before making any changes. backup should be separate from the existing data store to prevent data loss during the split
2. choose splitting method and create new datastore with the desired capacity and migrate data from the existing datastore to the new one.
3. you might be able to create new one within the existing datastore and move data in between if you are using LUNs
4. testing after the migration and monitoring
5. decommissioning of old datastore once you are confident that all data has been migrated successfully
Farina Ahmed Lv5Posted Nov-08-2023 16:39
  
Splitting a 190 TB all-flash datastore with 160 TB occupied involves a careful approach to ensure data integrity and minimal disruption. First, identify the virtual machines (VMs) and their storage requirements within the datastore. Prioritize critical VMs and plan for downtime if necessary. If you have vCenter Server, use Storage vMotion to migrate VMs to another datastore with available space. Alternatively, you can add additional storage resources such as new disks or storage arrays to your existing infrastructure. Ensure your backup solution is up-to-date before making any changes. If you don't have extra physical storage, consider utilizing storage features like Storage DRS (Distributed Resource Scheduler) or Storage I/O Control (SIOC) to balance the existing load across multiple datastores within a storage cluster.
Brooker Lv3Posted Nov-08-2023 16:50
  
Before you do anything, make a backup of your data. To avoid losing any data during the split, the backup should be kept apart from the primary data storage.
Carrot Lv3Posted Nov-08-2023 16:51
  
Select the method of splitting, build a new datastore with the required capacity, and transfer data from the old datastore to the new one.
Fisher Lv2Posted Nov-08-2023 16:51
  
If you are utilizing LUNs, you might be able to establish a new one inside the current datastore and migrate data across
Racoon Lv2Posted Nov-08-2023 16:52
  
decommissioning the previous datastore if you're satisfied that everything was correctly transferred
Robin Lv3Posted Nov-08-2023 16:53
  
Ensure that your Cisco switch supports EtherChannel (or Link Aggregation Group). It's a common feature on Cisco switches, but it's essential to confirm.
sanjigerma Lv3Posted Nov-08-2023 16:54
  
Before making any changes, ensure that you have a complete and verified backup of all the data on the 190 TB datastore. This is essential in case something goes wrong during the split.
Snipe Lv2Posted Nov-08-2023 16:54
  
Analyze the existing data on the datastore and categorize it. Determine if there are specific data types or virtual machines that you want to move to a new datastore. This can help in planning the split.

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