Upgrade MinIO to MinIO AIStor in airgapped Kubernetes environments using private registries, mirrored images, and custom service registry configurations.

The following procedure adds a server pool to an existing MinIO AIStor cluster running on Kubernetes infrastructure. Each pool expands the total available storage capacity of the cluster with new nodes and persistent volumes while maintaining the overall availability of the cluster. Pay particular attention to the parity (EC:M) value of the existing cluster and the new pool. MinIO strongly recommends seeking an architecture review from MinIO Engineering through SUBNET to analyze potential performance impacts before committing to a new pool for your cluster.

Creates a new policy on the target MinIO AIStor deployment. MinIO AIStor deployments include the following built-in policies by default: consoleAdmin readonly readwrite diagnostics writeonly Syntax Example Consider the following JSON policy document saved at a file called /tmp/listmybuckets.json:

Lists all policies on the target MinIO AIStor deployment. Syntax Example The following command lists all policies on the deployment at alias myaistor.

Description The mc admin service command can restart or unfreeze MinIO AIStor servers. mc admin service affects all MinIO AIStor servers in the target deployment at the same time. The command interrupts in-progress API operations on the MinIO AIStor deployment. Use caution when issuing this command to a deployment.

The mc admin accesskey sts-revoke command removes security token service (sts) credentials associated with an account. Revoke all STS tokens for an account, or specify the type(s) of STS tokens to revoke for an account. Syntax Example The following command removes all STS access tokens for account user1 from the myaistor deployment:

The mc admin heal command scans for objects that are damaged or corrupted and heals those objects. mc admin heal is resource intensive and typically not required as a manual process, even after drive failures or corruption events. As a part of normal operations, MinIO AIStor: automatically heals objects damaged by silent bit rot corruption, drive failure, or other issues on each POST or GET operation. performs periodic background object healing using the scanner. aggressively heals objects after drive replacement. Refer to Object Healing for more details on how MinIO AIStor heals objects.

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Description The mc admin replicate command creates and manages site replication for a set of MinIO AIStor peer sites. Site replication mimics an active-active bucket replication, but for multiple MinIO AIStor deployments. Wherever a change occurs to IAM settings, buckets, or objects across the set of sites, the change replicates across all sites in the site replication group.

The mc admin user info command returns detailed information of an MinIO AIStor user on the target MinIO AIStor deployment. To manage external Identity Provider users, see OIDC or AD/LDAP. Syntax Example The following command returns details of user myuser on the myaistor MinIO AIStor deployment: