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тАО07-31-2008 05:33 AM
тАО07-31-2008 05:33 AM
Re: FC connection drop to MSL 6030
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тАО08-01-2008 02:22 AM
тАО08-01-2008 02:22 AM
Re: FC connection drop to MSL 6030
Ran a short backup just to produce the error and start with a clean sheet.
Rebooted backup server only, e1200 & library didn't show up and link to first brocade down.
Rebooted library and server, e1200 & library shows up and link to first brocade down
Then started portErrShow, noted values.
Initated ntbackup job, ran for 56 minutes and 42 seconds then failed.
During backup job portErrShow was re-run about every 5 to 10 minutes, but values didn't change.
Once the error appeared I again ran portErrShow, and the only value that had changed was under disc c3, which went up from 298 to 340 for fc connection to the controller card as seen below.
0 = e1200
19 = controller card in server
frames enc crc too too bad enc disc link loss loss frjt fbsy
tx rx in err shrt long eof out c3 fail sync sig
=====================================================================
0: 3.7g 2.6g 0 0 0 0 0 454k 0 22k 3.8k 7.6k 0 0
19: 2.8g 4.0g 0 0 0 0 0 172k 298 182 867 459 0 0
frames enc crc too too bad enc disc link loss loss frjt fbsy
tx rx in err shrt long eof out c3 fail sync sig
=====================================================================
0: 3.7g 2.6g 0 0 0 0 0 454k 0 22k 3.8k 7.6k 0 0
19: 2.8g 4.0g 0 0 0 0 0 172k 340 182 867 459 0 0
I then checked HBanywhere on the backup server;
Link to second brocade up and HSV 200's visible, but drives & e1200 not listed.
Link to first brocade down, still.
Verified this in turn by going into the web mgmt interface for the second brocade, and here the port connection to the controller card was still alive (19) - but the link to the e1200 was down (0).
As mentioned above, the only place where a value changed was the port connecting the controller card on the backup server - not the one to the e1200. Yet that is the one that drops.
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тАО08-01-2008 06:35 AM
тАО08-01-2008 06:35 AM
Re: FC connection drop to MSL 6030
can you connect he library to the second ("good") fabric to see if the problem there persists or not to isolate the problem?
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тАО08-04-2008 02:45 AM
тАО08-04-2008 02:45 AM
Re: FC connection drop to MSL 6030
-Moved the MSL onto the other SAN switch, along with the backup server (using the "good" port on the controller card).
-Verified that they appeared on the switch, and recreated aliases and a zone for them.
-Ran the backup job again.
Same error after a while. MSL/e1200 drops out of the SAN switch, but the backup server remains.
Same results as before on portErrShow.
I've placed an order for a new fibre cable just to see if I can get the controller card to connect to both SAN switches and rule out a cable error, but it does look like the error is related to the library since it gets disconnected from them both?
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тАО08-05-2008 01:40 AM
тАО08-05-2008 01:40 AM
Re: FC connection drop to MSL 6030
Put the same new fibre cable between the e1200 and the switch, and backups have now been running for over two hours. So if all goes well I'll let a job run over night and see what happens.
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тАО11-03-2008 08:10 PM
тАО11-03-2008 08:10 PM
Re: FC connection drop to MSL 6030
Hi,
Do you have the solution already?
This is the same case for us right now.
MSL 8096, Brocade switch, Windows clients, HBA (EMulex).
Thanks for your reply!
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тАО11-04-2008 09:57 AM
тАО11-04-2008 09:57 AM
Re: FC connection drop to MSL 6030
Yes, more or less. The last fibre cable that we replaced has fixed the backups. Still only have one connection up from the emulex board, but we're replacing the server soon so once the backups got running fine we just left it as is.
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