Chris Moore wrote: >Sorry Rafael - look at the question closely: "What WAS the -S option?". >It's no longer available. > > > >Q1(a). Can I store data in a SQL database? > > Yes. Mysql (use the code that's on CVS).
Cheers, Luca > > >Q1(b). When ntop stops I lose all my data. Why? > > > >Q1(c). Why doesn't the -S option work? > >A. ntop used to optionally store some data in a SQL database. The code >was broken, difficult to maintain, etc. and was removed. A LONG TIME >AGO. If you are reading about this in 'some' documentation - update. > >Current ntop is 3.2, which is the only version we support. > >There are scripts that various users have offered to take the data dump >and insert it into a SQL database. Search the back traffic on the >mailing list for them. > >Yes, ntop uses memory based structures to hold usage data and they are >lost when you reset or restart ntop. > >Persistent storage is in the RRD databases - there's a paper @ >SourceForge that explains them. > >There was another option for some persistence - it was -S - look in >FAQarchive for an article about it, "What was the -S option?". > > > > > >________________________________ > >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of >Rafael Barbosa >Sent: Monday, May 29, 2006 11:43 AM >To: [email protected] >Subject: [Ntop] Re: Keeping data > > > >Guess I found it: > >Q. What was the -S option? > >A. The -S option was the --store-mode option, or the "Persistent >storage mode" Ntop's internal structures are basically an array of >devices (network interfaces), which contains an array of hosts (specific >machines seen on the device. > >So device[0] is the 1st network interface, and device[2] the third. >device[0].host[0] would be, say, the local file server and >device[0].host[1] would be a simple host. device[1].host[1] is a >completely different set of counts from device[0].host[1]. > >The -S options tells ntop to store information about a specific host in >a database from run to run (-S 0 none, -S 1 all and -S 2 only local >hosts). > >This is only the count information about the host and does not store the >information about a device (a network interface). Further, items of >dynamically allocated storage (the devices name) are not stored. > >Data is retrieved on a subsequent run ONLY when traffic is seen from >that host after the restart. (I suppose you could script a ping to each >host you care about and force the reload that way, but it hasn't been >tested...) > >So if you go into the host details (e.g. the 192.168.1.1.html page) you >should see prior-run information. > >But if you're looking for device throughput to be preserved... nope... > >Also, ntop stores the information during 1) reset and 2) shutdown. So if >ntop crashes, the persistent data will be lost. > >This option was removed from ntop in the 2.1.52 development version. > > >Its hard to something especific.... Sorry about that. > >Rafael > >On 5/29/06, Rafael Barbosa <[EMAIL PROTECTED] > wrote: > >Hello again, > >Everytime I close ntop and restart it all data is lost (statistics, >graphs, etc). Is there any option I can use to keep the data? I don't >want to loose information if my power suply goes down. (Which is >happening more that I want here in my lab...) > > > >Rafael Barbosa > > > > > >********************************************************************** >Confidential/Proprietary Note > >The information in this email is confidential and may be legally privileged. >Access to this email by anyone other than the intended addressee is >unauthorized. If you are not the intended recipient of this message, any >review, disclosure, copying, distribution, retention, or any action taken or >omitted to be taken in reliance on it is prohibited and may be unlawful. If >you are not the intended recipient, please reply to or forward a copy of this >message to the sender and delete the message, any attachments, and any copies >thereof from your system. Thank you. >Guardian Mtg Documents, Inc. >225 Union Boulevard, Suite 200 >Lakewood, CO 80228. >********************************************************************** > > >------------------------------------------------------------------------ > >_______________________________________________ >Ntop mailing list >[email protected] >http://listgateway.unipi.it/mailman/listinfo/ntop > > -- Luca Deri <[EMAIL PROTECTED]> http://luca.ntop.org/ skype://lucaderi/ Don't be encumbered by past history. Go off and do something wonderful - Robert Noyce _______________________________________________ Ntop mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop
