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тАО10-01-2010 10:38 PM
тАО10-01-2010 10:38 PM
We have Brocade san switches on two diffeent locations (about 10km between them). We use single mode sfp's, but we see some problems with luns go offline for short periods during heavy CA traffic. Is there a command in Brocade cli which shows that there is need for extended fabric license?
-inex
Solved! Go to Solution.
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тАО10-02-2010 11:34 PM
тАО10-02-2010 11:34 PM
SolutionBrocade licenses are 1 or 0 mean if you don't have a license you need, then it will not work or be able to reach other end. in your situation you have access to other end, so your issue does not seem to be a license but a performance issue,
btw, you can see your licenses installed with;
>show license
you can capture a support_show output and share, may be we can find something
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тАО10-03-2010 05:44 AM
тАО10-03-2010 05:44 AM
Re: Extended fabric license
-inex
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тАО10-04-2010 10:56 AM
тАО10-04-2010 10:56 AM
Re: Extended fabric license
1) make sure you use LongWawe SFP's for your Inter-Switch Links (ISLs).
2) generaly extended fabric is used in higher distances (>30km), but I heard it could help in shorter enviroment.
Check your ISL first, licence could by expensive.
Jan
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тАО10-04-2010 11:02 AM
тАО10-04-2010 11:02 AM
Re: Extended fabric license
-inex
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тАО10-04-2010 11:06 AM
тАО10-04-2010 11:06 AM
Re: Extended fabric license
it could be true, maybe try to investigate switch logs with vendor support to make it sure, licence could by expencive... :(
Jan
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тАО10-04-2010 12:56 PM
тАО10-04-2010 12:56 PM
Re: Extended fabric license
What storage are you using on CA, EVA?
If so, what is your XCS,
can you share supportshow output for the san switches,
If the data change rate on local storage is greater than bandwith capacity it may be normal to see some LUN errors.
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тАО10-06-2010 04:37 AM
тАО10-06-2010 04:37 AM
Re: Extended fabric license
please check your Port config. Connect via telnet to the switch and type portbuffershow. Notify the values for your E-port. Type portperfshow. You can see now your current speed for all ports. "crtl C" stops this output. Connect to switch via browser. Go to portadmin, select your E-port, edit configuration, a window opens where you select your port types, click next then you can select your speed below the speed dropdown menu should be another dropdown menu for long distance. The default value is zero, select the other value which is for 10km. Save these changes. Repeat same steps on the other connected FC-Switch. Connect via telnet to the switch and type portbuffershow. Your E-port should now show under LX-Mode an entry of LE and at the Link Distance 10km. These settings helps me to grow up my performance from 23MB/s to 76MB/s without extend fabric license. Try these settings for one fabric and watch the throughput and your lun problems.
Thomas
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тАО10-06-2010 04:51 AM
тАО10-06-2010 04:51 AM
Re: Extended fabric license
While in basic mode you don't get the option to choose for the long distance mode.
HTH
Kris