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Asset ID: 1-72-1623999.1
Update Date:2014-02-17
Keywords:

Solution Type  Problem Resolution Sure

Solution  1623999.1 :   Sun Storage 7000 Unified Storage System: SFTP error - Request for subsystem 'sftp' failed on channel 0  


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In this Document
Symptoms
Changes
Cause
Solution
References


Created from <SR 3-8537921799>

Applies to:

Sun Storage 7110 Unified Storage System - Version All Versions to All Versions [Release All Releases]
Sun Storage 7410 Unified Storage System - Version All Versions to All Versions [Release All Releases]
Sun Storage 7310 Unified Storage System - Version All Versions to All Versions [Release All Releases]
Sun ZFS Storage 7120 - Version All Versions to All Versions [Release All Releases]
Sun ZFS Storage 7320 - Version All Versions to All Versions [Release All Releases]
7000 Appliance OS (Fishworks)

Symptoms

After an Appliance Firmware Release upgrade, clients connecting via SFTP fail to connect.

 

Errors of the following form are displayed:

sftp joe@10.163.227.174
Connecting to 10.163.227.174...
Password:
Request for subsystem 'sftp' failed on channel 0
Connection closed

 


Changes

The customer applied an Appliance Firmware upgrade to a 2011.x release

 

Cause

Tighter security in the later versions prevents the old method from working.

 

Solution

You now have to provide the port number and directory location you are mounting to.

 

Example

sftp  -o "port=218" fred@10.163.227.174:/export/big
Connecting to 10.163.227.174...
Password:
Changing to: /export/big
sftp>
 

References

<NOTE:1276209.1> - Sun Storage 7000 Unified Storage System:Appliance SSH service in Maintenance state due to "Restarting too quickly".

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