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From "Elek, Marton (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HDFS-13017) Block Storage: implement simple iscsi discovery in jscsi server
Date Fri, 12 Jan 2018 15:44:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16324141#comment-16324141
] 

Elek, Marton edited comment on HDFS-13017 at 1/12/18 3:43 PM:
--------------------------------------------------------------

The first version is uploaded. It just extends the existing protocolt to get the list of the
available jscsi services. 

The easiest way to test is using docker-compose file from HDFS-12983, but you can also startup
a new cblock server.

After the creation of a cblock, you can test the discovery:

{code}
sudo iscsiadm -m discovery -t st -p 127.0.0.1:3260
{code}

iscsi volumes should be detected and visible under the next call:

{code}
sudo iscsiadm -m node 
{code}



was (Author: elek):
The first version is uploaded. It just extends the existing protocolt to get the list of the
available jscsi services. 

The easiest way to test is using docker-compose file from HDFS-12983, but you can also startup
a new cblock server.

After the creation of a cblock, you can test the discovery:

```
sudo iscsiadm -m discovery -t st -p 127.0.0.1:3260
```

iscsi volumes should be detected and visible under the next call:

```
sudo iscsiadm -m node 
```

> Block Storage: implement simple iscsi discovery in jscsi server
> ---------------------------------------------------------------
>
>                 Key: HDFS-13017
>                 URL: https://issues.apache.org/jira/browse/HDFS-13017
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>    Affects Versions: HDFS-7240
>            Reporter: Elek, Marton
>            Assignee: Elek, Marton
>         Attachments: HDFS-13017-HDFS-7240.001.patch
>
>
> The current jscsi server doesn't support iscsi discovery. 
> To use jscsi server as a kubernetes storage backend we need the discovery. jScsi supports
it we need just override a method and add an additional call to the server protocl to get
the list of the available cblocks.



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