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The calculation results for the Server or Server with viewing client contain information about the recommended archive sizevolume of the disk subsystem, total streams and server specifications. To view the results of the platform calculation, select the type of calculation — calculation—Server or Server with viewing client (see Selecting the type of calculation):
Each time the streams are added to the list (see Selecting the cameras), or the parameters affecting the calculation are changed (bit rate, streams recording, etc.), the parameters are recalculated.
Archive
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and disk for metadata size
This will show The Total video archive size section shows both the size required for the video archive and the HDD marked capacity — the capacity—the recommended hard drive size. In this case, it is taken into account that hard drive manufacturers use multiples of 1000 when designating capacity, while the real hard drive size is calculated in the binary system as a multiple of 1024. For example, if the HDD capacity marked by the manufacturer is 1 TB, then in fact 0,91 TB will be available for the video archive.
The Dedicated SSD for metadata and system log section shows the volume of the SSD required to store the metadata and system log. This information is displayed only for the Axxon One platform if data storage was enabled in the settings (see Archive and metadata storage parameters).
Total streams
The Total streams field contains the values for the total stream from IP cameras, stream for recording and stream transmitted to clients, calculated for the specified cameras:
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The Recommended platforms tab of the Result of calculation section shows the results of platform calculation for processors with the selected architecture (see Selecting the CPU architecture):
The specification parameters are displayed in the following columns (1):
- Number of servers — the —the number of servers recommended for the specified number of cameras.
- Server platform — platform platform—platform name and, if detection tools using the GPU/VPU are specified, links to GPU/VPU selection (see see Types of detection tools). When you click on the link to the GPU/VPU selection, the documentation pages with the performance data will open.
- Server CPU load — CPU —CPU load as a percentage.
Server RAM, GB — t—the recommended size and number of RAM modules for dual-channel operation, taking into account the number of processors on the platform. For example, “4 x 8GB” RAM means two 8GB RAM modules per processor for a dual-processor platform.
Info title Note RAM should be used in dual-channel mode or greater mode based on the number of processors in the platform. For example, at least 2 RAM modules must be installed for single-processor platforms, and at least 4 RAM modules for dual-processor platforms.
Using RAM at a higher frequency, or using RAM in dual-channel mode or greater mode results in CPU load decrease, and therefore in the performance increase.
- Server storage configuration: required —required configuration of the disk subsystem, in particular:
- Actual archive size and required HDD marked capacity for storing the archive if No RAID calculation was chosen, or actual archive size if RAID level was chosen.
- Recommended RAID configuration if RAID level was selected:
- total number of disks per server,
- disk size,
- number of RAID groups,
number of hotspare-disks.
Info title Example 28x 4 TB (2x RAID-6 + 1x HS) means 2 RAID-6 groups with a total of 27 4 TB disks and 1 hotspare-disk.
- The SSD volume required to store metadata and system log.
- Required storage recording rate: total —total recording rate which must be supported by the disk subsystem of the server.
- LAN (in/out): total —total rate of the video streams from IP cameras, to be provided by the bandwidth of the network interface of the server.
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You can add an alternative platform to the calculation (2) — for calculation—for details, see Adding a platform for calculation by analogy.
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Platforms can be filtered in the calculation results. For that, enter the search string in the Platforms filter field (3). The filter is not case-sensitive:
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Calculation results can be exported to an Excel file — for file—for details, see Export calculation results to xls. Also system Also system configuration selected in the process of calculating the platform can be saved to a file — for file—for details, see see Configuration import and export.