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https://issues.apache.org/jira/browse/HDDS-490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16618548#comment-16618548
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Elek, Marton edited comment on HDDS-490 at 9/18/18 6:34 AM:
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1. I would prefer to use the more GNU style --create-object-store. (no camel
case)
2. Would be easier for me to use the same option for scm and om (--format could
be a generic or --init. With picocli it could be a secondary alias.) scm
--format / om --format
3. Please allow the run multiple times without exiting with exit code. It's
very important for kubernetes + containerized word. (In kubernetes there is an
option to define an init container. We can add 'ozone om \--format' to it, but
it should work at the second ran.) I propose to introduce a new argument,
something like '--if-not-exists', and in that case error should not be thrown.
You can suggest better name ('--if-missing' ?). By default it could be false
and the default behaviour could be the failing (as described in 3).
was (Author: elek):
1. I would prefer to use the more GNU style --create-object-store. (no camel
case)
2. Would be easier for me to use the same option for scm and om (--format could
be a generic or --init. With picocli it could be a secondary alias.) scm
--format / om --format
3. Please allow the run multiple times without exiting with exit code. It's
very important for kubernetes + containerized word. (In kubernetes there is an
option to define an init container. We can add 'ozone om --format' to it, but
it should work at the second ran.) I propose to introduce a new argument,
something like '--if-not-exists', and in that case error should not be thrown.
You can suggest better name ('--if-missing' ?). By default it could be false
and the default behaviour could be the failing (as described in 3).
> Improve om and scm start up options
> ------------------------------------
>
> Key: HDDS-490
> URL: https://issues.apache.org/jira/browse/HDDS-490
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Namit Maheshwari
> Assignee: Namit Maheshwari
> Priority: Major
> Labels: incompatible
>
> I propose the following changes:
> # Rename createObjectStore to format
> # Change the flag to use --createObjectStore instead of using
> -createObjectStore. It is also applicable to other scm and om startup options.
> # Fail to format existing object store. If a user runs:
> {code:java}
> ozone om -createObjectStore{code}
> And there is already an object store, it should give a warning message and
> exit the process.
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