What is this setting?

noice

n3wb
Jul 31, 2018
18
13
USA
Can someone advise what this setting is? It's under Maintain, System info, Record

Not much info, can't access or edit.

NVR: NV4108P-4KL
FW: V4.002.0000000.2.R, Build Date: 01-21-2022
 

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  • 2023-02-17 15_01_50-WEB SERVICE.png
    2023-02-17 15_01_50-WEB SERVICE.png
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Mine is a little different view or menu

but "sda" appears under the Hard drive tab on mine
so one could assume it's related to the recording
it's showing the drive size equivalent to my 4Tb WD thats running in there.

1676666155962.png
 
Mine is a little different view or menu

but "sda" appears under the Hard drive tab on mine
so one could assume it's related to the recording
it's showing the drive size equivalent to my 4Tb WD thats running in there.

View attachment 154591
Yea I have that page too. But the record page has a bunch more that I cannot click, delete view or anything. They also are some random time frames
 
just learned something on a post from a guy from Serbia with 2 HDD's in a system is marked sda the other sdb. mystery solved.

I1676711138737.png
 
Showing my age here but sd stood for SCSI device as far as I know/knew at the time as all Unix systems back then predominantly used SCSI hard drives well all except SCO Xenix which I think was one of the first that could be installed into a standard desktop way back then.
 
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NVR's use a linux operating system (OS). The screenshot you shared depicts the manner in which the physical drives are identified by the OS.
sda (hda) - primary hard drive​
sdb (hdb) - secondary hard drive​
Depending on the type of drive controller the NVR manufacturer used, you might see the "hd" prefix instead of "sd".

You may also see a number reference (sda0, hda1)... the number represent the partition number on the respective physical drive.

What is a Partition?
Partitions are necessary because you can’t just start writing files to a blank drive. You must first create at least one container with a file system. We call this container a partition. You can have one partition that contains all the storage space on the drive or divide the space into twenty different partitions. Either way, you need at least one partition on the drive.
After creating a partition, the partition is formatted with a file system — like the NTFS file system on Windows drives, FAT32 file system for removable drives, HFS+ file system on Mac computers, or the ext4 file system on Linux. Files are then written to that file system on the partition.