Sun Storage 7000 Unified Storage System: Unable To Download Latest Firmware Via FTP

Asset ID:	1-72-1405875.1
Update Date:	2012-02-21
Keywords:

Solution Type Problem Resolution Sure

Solution 1405875.1 : Sun Storage 7000 Unified Storage System: Unable To Download Latest Firmware Via FTP

Applies to:

Sun Storage 7720 Unified Storage System - Version: Not Applicable and later   [Release: N/A and later ]
Sun Storage 7110 Unified Storage System - Version: Not Applicable and later    [Release: N/A and later]
Sun ZFS Storage 7120 - Version: Not Applicable and later    [Release: N/A and later]
Sun Storage 7210 Unified Storage System - Version: Not Applicable and later    [Release: N/A and later]
Sun Storage 7310 Unified Storage System - Version: Not Applicable and later    [Release: N/A and later]
7000 Appliance OS (Fishworks)
NAS head revision : [2011.1 or later]
BIOS revision : [not dependent]
ILOM revision : [not dependent]
JBODs Model : [not dependent]
CLUSTER related : [not dependent]

Symptoms

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The upload of a Appliance Kit software release via ftp to a Sun Storage 7000 Unified Storage System fails with timeout errors on the CLI.

Transferred 696M of 703M (99%) ... failed
error: download failed: FTP response timeout

Cause

<Bug: 7070586> "Upgrade image download fails when ftp transfer lasts more than 60 seconds"

The cause for this limitation of the Appliance Kit Software is known and is related to following items

This is a known limitation of Curl 7.20.0.
All version of Appliance Kit software of revision 2010.Q3 or before are affected
FTP timeouts after file transferred completely (though the download is complete libcurl gets timed out)

Note that this will affect upgrades to any release, if done over a relatively slow network until a software release containing the fix has been installed.

Solution

Implemented Fix

Since 2011.1 uses libcurl 7.21.1 an upgrade to Software release 2011.1 or later will implement a fix for this timeout issue and it should not be observed any longer.

Workaround:

As a workaround it is recommended to use HTTP instead of FTP. With HTTP you have the choice between CLI or BUI for uploading the Appliance Kit Software.

For TSC engineers only:
If customer is not able to use HTTP for what ever reason, on the Wiki pages there is a procedure for manual update of the Sun Storage 7000 Unified Storage System, please refer to

https://stbeehive.oracle.com/teamcollab/wiki/AmberRoadSupport:NAS+fw+upgrade+or+update+thanx+to+solaris+shell

References

<NOTE:1019887.1> - Sun Storage 7000 Unified Storage System: How to collect supportfile bundle using the BUI or CLI
<BUG:7070586> - UPGRADE IMAGE DOWNLOAD FAILS WHEN FTP TRANSFER LASTS MORE THAN 60 SECONDS
https://stbeehive.oracle.com/teamcollab/wiki/AmberRoadSupport:Upgrade+-+Error+how+to+get+more+logs

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