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update README.md wording to point to /opt/bin/minio

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Minio Trusted 2022-01-16 17:40:02 -08:00
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@ -236,18 +236,16 @@ Upgrades require zero downtime in MinIO, all upgrades are non-disruptive, all tr
mc admin update <minio alias, e.g., myminio>
```
- For deployments without external internet access (e.g. airgapped environments), download the binary from https://dl.min.io and replace the existing MinIO binary let's say for example `/usr/local/bin/minio`, apply executable permissions `chmod +x /usr/local/bin/minio` and do `mc admin service restart alias/`.
- For RPM/DEB installations, upgrade those packages **parallelly** on all servers. Once upgraded, perform `systemctl restart minio` across all nodes in **parallel**.
- For deployments without external internet access (e.g. airgapped environments), download the binary from https://dl.min.io and replace the existing MinIO binary let's say for example `/opt/bin/minio`, apply executable permissions `chmod +x /opt/bin/minio` and do `mc admin service restart alias/`.
- For RPM/DEB installations, upgrade packages **parallelly** on all servers. Once upgraded, perform `systemctl restart minio` across all nodes in **parallel**. RPM/DEB based installations are usually automated using [`ansible`](https://github.com/minio/ansible-minio).
## Upgrade Checklist
- Test all upgrades in a lower environment (DEV, QA, UAT) before applying to production. Performing blind upgrades in production environments carries significant risk.
- Read the release notes for the target MinIO release *before* performing any installation, there is no forced requirement to upgrade to latest releases. If it has a bug fix you are looking for then yes,
else avoid disturbing a running system.
- Make sure MinIO process has write access to `/usr/local/bin` if you plan to use `mc admin update`. This is needed for MinIO to download the latest binary from https://dl.min.io and save it locally for upgrades.
- Read the release notes for the targeted MinIO release *before* performing any installation, there is no forced requirement to upgrade to latest releases every week. If it has a bug fix you are looking for then yes, else avoid actively upgrading a running production system.
- Make sure MinIO process has write access to `/opt/bin` if you plan to use `mc admin update`. This is needed for MinIO to download the latest binary from https://dl.min.io and save it locally for upgrades.
- `mc admin update` is not supported in kubernetes/container environments, container environments provide their own mechanisms for container updates.
- **We do not recommend upgrading one MinIO server at a time, the product is designed to support **parallel** upgrades please follow our recommended guidelines.**
- **We do not recommend upgrading one MinIO server at a time, the product is designed to support parallel upgrades please follow our recommended guidelines.**
# Explore Further
- [MinIO Erasure Code QuickStart Guide](https://docs.min.io/docs/minio-erasure-code-quickstart-guide)