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For Frankfurt region, Instance OCID looks like below.

ocid1.instance.oc1.eu-frankfurt-1.abtheljt2tihcyimx3skqhargaklttvljkiueoiqtzzzzzzzzzzzzzzzzzzzzzzzz

For Ashburn region, Instance OCID looks like below.

ocid1.instance.oc1.iad.abuwcljtrfquxhtfl3zbwiuwuwuvhtugzxlpcpuadxxxxxxxxxxxxxxxxxxxxxxxxxxxx

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Also, what is the format for other region instances ? Which is used in the instance OCID (Region Name or Region Key) ?

Any inputs?

karthik_varma_k
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  • Why is this question down voted? Any changes I have to do, let me know. – karthik_varma_k Jun 27 '19 at 13:42
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    I'm voting to close this question as off-topic because this is a design-decision that can only be explained by oracle engineers, not a specific programming problem. P.S.: we are not Oracle cloud-support.... – piet.t Jun 28 '19 at 06:37
  • Okay @piet. I could not have posted here. – karthik_varma_k Jun 28 '19 at 10:07
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    @piet.t Instance OCIDs are used all over though API calls ([Example](https://docs.cloud.oracle.com/iaas/api/#/en/iaas/20160918/BootVolume/ListBootVolumes), so I recommend keeping this question – Andre Teixeira Jul 03 '19 at 21:47
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    @AndreTeixeira But what practical programming problem does the "why" of some non-existent naming convention solve? – piet.t Jul 04 '19 at 06:34
  • @piet.t ok - you are right - this is just a naming conversion, it is by design and won't change the logic for programming. – Andre Teixeira Jul 08 '19 at 17:16

1 Answers1

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Most types of Oracle Cloud Infrastructure resources have an Oracle-assigned unique ID called an Oracle Cloud Identifier (OCID). It's included as part of the resource's information in both the Console and API.

OCIDs use this syntax:

ocid1...[REGION][.FUTURE USE].

  • ocid1: The literal string indicating the version of the OCID.

  • resource type: The type of resource (for example, instance, volume, vcn, subnet, user, group, and so on).

  • realm: The realm the resource is in. A realm is a set of regions that share entities. The only possible value is oc1.

  • region: The region the resource is in (for example, phx, iad, eu-frankfurt-1). With the introduction of the Frankfurt region, the
    format switched from a three-character code to a longer string. This part is present in the OCID only for regional resources or those
    specific to a single availability domain. If the region is not
    applicable to the resource, this part might be blank (see the example tenancy ID below).

  • future use: Reserved for future use. Currently blank.

  • unique ID: The unique portion of the ID. The format may vary depending on the type of resource or service.

Example OCIDs

Tenancy:

ocid1.tenancy.oc1..aaaaaaaaba3pv6wkcr4jqae5f44n2b2m2yt2j6rx32uzr4h25vqstifsfdsq

Instance:

ocid1.instance.oc1.phx.abuw4ljrlsfiqw6vzzxb43vyypt4pkodawglp3wqxjqofakrwvou52gb6s5a

Erik Castro
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