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Ring Buffer Configuration Guide: Difference between revisions
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→Single Shared Ring Buffer
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The '''cluster ring buffer''' mode allows to use multiple ring buffers where each ring buffer can have multiple disks. It allows having a separate disk for pcap files which allows fast '''ring buffer''' and fast '''pcap to disk''' writes at the same time. | The '''cluster ring buffer''' mode allows to use multiple ring buffers where each ring buffer can have multiple disks. It allows having a separate disk for pcap files which allows fast '''ring buffer''' and fast '''pcap to disk''' writes at the same time. | ||
== '''Single | == '''Single shared ring buffer''' == | ||
The | The single shared ring buffer the default setup on all Allegro Network Multimeters that are shipped with '''one''' internal or external storage device. This mode is designed for '''ONE''' internal, external or iSCSI storage device. ( Please see the section [[#iSCSI ring buffer]] for more information ). It does not allow you to use multiple ring buffers with one Allegro Network Multimeter. You can check at '''Generic''' → '''Storage''' if the Allegro Network Multimeter has detected a storage device. Here an example of ONE attached disk: | ||
[[File:Storage no device active.png|border|600px]] | [[File:Storage no device active.png|border|600px]] | ||
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[[File:Format disk dialogue.png|border|300px]] | [[File:Format disk dialogue.png|border|300px]] | ||
Here you can decide whether disk encryption will be used or not, see [[#Encryption]] below. You can also decide if and how much space can be used for the ''' | Here you can decide whether disk encryption will be used or not, see [[#Encryption]] below. You can also decide if and how much space can be used for the '''packet ring buffer'''. Please note that you cannot save any pcap files to the external disk when you use '''100 %''' for the '''ring buffer'''. | ||
If the disk has been formatted, you can continue with the configuration of the ''' | If the disk has been formatted, you can continue with the configuration of the '''ring buffer''' at '''Generic''' → '''ring buffer'''. If you have created a disk with a ring buffer, you should see the statistics of the buffer as in the screen shot here below. | ||
[[File:Running packet ring buffer.png|600px]] | [[File:Running packet ring buffer.png|600px]] | ||
The | The ring buffer is now running and all pcap buttons will work for historic dates. For advanced setup, please continue at the section [[#Filter Rules]]. | ||
== '''Cluster Ring Buffer''' == | == '''Cluster Ring Buffer''' == | ||