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copyright
years
2026
lastupdated 2026-06-12
keywords IBM Cloud Object Storage notifications, notifications, chennai, che01, data center withdrawal
subcollection cloud-object-storage

{{site.data.keyword.attribute-definition-list}}

{{site.data.keyword.cos_full}} withdrawal of Single Site location (che01)

{: #cos-notices-single-site-location}

The {{site.data.keyword.cos_full}} team is withdrawing support for the Chennai Single Site {{site.data.keyword.cos_short}} location che01. Customers must migrate their data to an alternative region by 10 June 2027. {: shortdesc}

What you need to know about this change

{: #cos-notices-in-che-know-about-change}

In line with the IBM Cloud announcement for withdrawal of support for specific data centers, the Chennai Single Site che01 will be withdrawn on 10 June 2027.

As a result of this change:

  • The Chennai Single Site che01 is withdrawn
  • You must migrate your data to a new preferred region, such as Chennai in-che or Mumbai in-mum, or any other {{site.data.keyword.cos_short}} region of your choice

After 10 June 2027, you will not be able to access your data in the Chennai Single Site che01. IBM will not be able to make any exceptions to this date. {: important}

Affected region and recommended alternatives

{: #cos-notices-in-che-affected-regions}

The following table shows the affected region and recommended alternative data center regions:

Region {{site.data.keyword.cos_short}} bucket location Recommended alternative regions Migration deadline
Chennai che01 Chennai in-che, Mumbai in-mum 10 June 2027
{: caption="Affected region and alternatives" caption-side="bottom"}

Action that is required before 10 June 2027

{: #cos-notices-in-che-action-required}

Make appropriate plans to migrate your data out of the Chennai Single Site che01 to one of the recommended regions (or any other {{site.data.keyword.cos_short}} region of your choice) by 10 June 2027.

Checking whether your buckets are affected

{: #cos-notices-in-che-check-buckets}

To check whether your buckets are located in the region to be withdrawn:

  1. Log in to the {{site.data.keyword.cloud_notm}} console{: external}.
  2. Navigate to your {{site.data.keyword.cos_short}} service instance.
  3. Review the location of each bucket in your instance.
  4. Identify any buckets with location che01.

You can also use the bucket-location-get command from the IBM Cloud CLI to check bucket locations.

Migrating your data

{: #cos-notices-in-che-migrate-data}

For detailed instructions on migrating your data to a different data center, see Migrating resources to a different data center.

There is one important consideration for customers that currently use the s3.private.che01.cloud-object-storage.appdomain.cloud endpoint, and who want to migrate their data to in-che or in-mum. Connectivity to the in-che or in-mum private endpoint s3.private.in-che.cloud-object-storage.appdomain.cloud or s3.private.in-mum.cloud-object-storage.appdomain.cloud requires the source account network configuration to be VRF-enabled. A few existing che01 customers are not using VRF-enabled accounts, and would need to convert their accounts before they can use the in-che or in-mum private endpoint. Accounts created after 30 November 2023 are automatically VRF-enabled. Conversion typically requires a brief outage, with potentially special considerations when Direct Link is being used. VRF-enablement status can be checked in the Cloud Console under Manage->Account->Account Settings. Additional information about VRF-enablement can be found at Enabling VRF in the console.

Alternatively, you can migrate your data to in-che or in-mum using the public endpoints.

Getting help

{: #cos-notices-in-che-getting-help}

If you need assistance with your data migration, you can contact IBM support through the following channels:

Summary

{: #cos-notices-in-che-summary}

What : {{site.data.keyword.cos_short}} Chennai Single Site che01 location will be withdrawn.

When : Chennai che01 is withdrawn on 10 June 2027.

Action required : Check whether your {{site.data.keyword.cos_short}} buckets are in the che01 location and plan to migrate your data to a new location or region of your choice. After 10 June 2027, you will no longer be able to access your data stored in che01, and there will be no exceptions.