By Jeremy Pedersen
Welcome back for the seventh installment in our weekly Q&A blog series! We're taking a look back into the archives this week, and addressing some questions from previous Alibaba Cloud training sessions.
Yes actually we do! We have a tool called Server Migration Center that does exactly that. Check the link for details.
The RAM Limits Page goes into a lot of detail on the limitations of the service. To summarize:
For RAM roles, the limits are:
Since RAM roles are not attached to RAM users, there is no limit on the number of RAM roles a RAM user can have. You can call the AssumeRole API to use any role to which your user has access rights, whether under your account or another Alibaba Cloud account.
RAM is a complicated subject: I highly recommend checking out the docs to learn more!
Yes, you can bind a custom domain name to an OSS bucket. Follow this guide to learn how.
Unfortunately no. If you want to use Oracle on Alibaba Cloud, consider running it directly on a bare metal ECS instance, or consider migrating to another database engine.
You can use a lot of Oracle database features via our PolarDB database product. Take a look at this migration guide to see how.
ECS can migrate instances within a Zone, but cannot automatically migrate instances between zones.
If a physical machine in one datacenter (Zone) fails, we can auto-migrate your ECS instance to another physical server in the same datacenter (Zone), often with little to no interruption in service.
If an entire Availability Zone fails, your ECS instance cannot be automatically migrated to a different Zone, but you can create a clone of your instance using a recent snapshot of your instance's disk(s).
If you want to guarantee service availability even if an entire zone fails, you should adopt strong HA (High Availability) architecture principles: specifically, you should spread mission-critical services across multiple Zones.
Yes, we have a service called Resource Orchestration Service (ROS) that allows you to manage your infrastructure as code. You can learn more here.
I'm not aware of any examples officially maintained by Alibaba Cloud, but here are a few examples I'm aware of:
Great! Reach out to me at jierui.pjr@alibabacloud.com and I'll do my best to answer in a future Friday Q&A blog.
You can also follow the Alibaba Cloud Academy LinkedIn Page. We'll re-post these blogs there each Friday.
JDP - March 26, 2021
JDP - July 15, 2021
JDP - April 9, 2021
JDP - April 30, 2021
JDP - June 4, 2021
JDP - May 20, 2021
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