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October 7th, 2013 00:00
Celerra issue with explorer.exe
Hi,
we develop a files archiving solutions for Windows, that should be compatible also with Celerra.
When I try to copy offline file in explorer.exe and file is bigger then 64kb explorer caused exception 0x8007054F.
Offline file is during copying downloaded via HTTP into temporary file and then is replaced original file by content partial chunks. HTTP download is requested by EMC Celerra.
Copying by cmd line or another file manager is always OK. Also IE download by accessing the url web service is OK.
Explorer cause exception randomly. Sometimes the file didn't start to be downloaded, some other time it crash before finish. When 0x8007054F occurs explorer 'copy file' dialog allow user 'try again' copying and the file is downloaded anyway.
Also we get this in log on Celerra:
logged time = 2013-10-01 09:02:27
id = 13159628813
severity = ERROR
component = DART
facility = DHSM
baseid = 13
type = STATUS
argument name = httpStatusString
argument value = 202 Accepted
argument type = string (8)
argument name = httpStatus
argument value = 0xCA
argument type = integer32 (2)
brief description = Unexpected HTTP status 202 Accepted during read operation for a GET request.
full description = After the HTTP client sent a GET request to the HTTP server, the HTTP server returned a status
code that was neither 200(OK) nor 205 (Partial Content).
recommended action = 1. Use that status code to troubleshoot the problem.
2. If the status code is '1006 Connection Disconnected' this means that the Data Mover was unable to establish or u
se a TCP connection to the HTTP server.
Verify that the HTTP server is up and running on the correct port. This may be done with ... telnet {HTTP server}
{port}.
Verify that the HTTP server is accessible to the Data Mover on the network. This can be done by executing server_p
ing server_x {HTTP server} on the Control Station.
3. View the Data Mover server log to get more information.
4. Contact the HTTP server vendor.
5. Collect a network trace if the problem is repeatable.
Any ideas what that can be ? Because for Partial Content we are sending 206 which is correct HTTP status . If we changed it to 205, we got the same error.
Tested with Celerra versions 7.0.35 and 7.1.65 .
Thanks
Rainer_EMC
4 Operator
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8.6K Posts
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October 7th, 2013 08:00
Hi,
can you provide some more details ?
From your description it looks like you are talking about offline files that use the FileMover (DHSM) functionality.
Is your application manageing that or is it an EMC appliation like CFA?
what protocol is used to access the archived data? NFS/CIFS or http?
Rainer
Petr_D
6 Posts
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October 7th, 2013 23:00
Hello,
yes, we are using FileMover (DHSM) functionality. We are configuring DHSM service to work and allow us access:
fs_dhsm -connection -create -type http -secondary http:// /HsmDownload -read_policy_override full -cgi n -user
-password
We are accessing a CIFS share which is running on Celerra Simulator 7.1.65
Thanks
Petr_D
6 Posts
0
October 8th, 2013 04:00
We tried it with Celerra Simulator 8.1.0 with the same configuration and we got this message :
logged time = 2013-10-08 07:31:12
id = 17454596096
severity = WARNING
component = DART
facility = DHSM
baseid = 0
type = STATUS
argument name = arg0
argument value = Offline I/O limit of 31 exceeded, returning File_Frozen
argument type = string (8)
brief description = Offline I/O limit of 31 exceeded, returning File_Frozen
full description = No additional information is available.
recommended action = No recommended action is available. For more information and assistance: 1. Log into http://powerlink.emc.com and go to Support > Search Support. 2. Use the message ID or text from the error message's brief description to search.
Any ideas ?
Rainer_EMC
4 Operator
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8.6K Posts
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October 8th, 2013 10:00
Can you try disabling SMB2 and see if the same problem happens with SMB1 ?
Petr_D
6 Posts
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October 9th, 2013 06:00
Set to SMB1 (using server_cifs server_2 -add security=NT,dialect=NT1 ) and the problem still occurs.
Petr_D
6 Posts
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October 10th, 2013 00:00
Hi,
maybe it would be helpful to let you know, that we found out, that we had the same issue with Celerra Sim 5.5 and 5.6 . Our developers received some hotfix from Celerra Sim team but it was a long time ago. Also, to my understanding, this issue happens only with simulators. Our developers were promised that the hotfix would be in new build of Sim - but it was and old communication like 7 years ago.
Just for your information - maybe it will help somehow
Rainer_EMC
4 Operator
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8.6K Posts
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October 10th, 2013 03:00
ok - makes sense
Do you have some kind of SR or AR number for that old hotfix ?
It looks like your company is part of the EMC Technology Partner Program (ETP)
I would suggest to drive your request through your partner contact there
Petr_D
6 Posts
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October 11th, 2013 02:00
We found some SR number, but it's from our client company .. but I do not want to publish it here, can I send it to you? To your email for example ? Will it help somehow ?