Surveillance Storage 101
This guide teaches the fundamentals of video surveillance storage.
Inside we cover:
- Surveillance Storage
- NVR / Recorder Storage
- Camera / Edge Storage
- Network Storage
- Cloud Storage
- Specialized Surveillance Hard Drives
- Storage Capacity
- Storage Duration
- Recording Types (Continuous vs Event)
- Recording Schedules
- Automatic Storage Cleanup
- Edge Redundant Recording / Trickling
- Storage Redundancy
- RAID
- Redundant / Backup Servers
- Notable Surveillance Storage Suppliers
Surveillance Storage
Surveillance video must be stored in order to review past events. Encoded video streams are saved as video files, where they can be selected and played back in client decoding software.
Storage can be located in recorders, cameras, network-based, or in the cloud.
NVR / Recorder Storage
********* **** ** *** / *** Recorder ** *** **** ****** ****** in ***** ************. ******* ***** ** central ******* ****** ******* *** *** storage ** ******** ******* ***** ** more ********* **** ********* ** ******, which ******* ****.
***** ** ********* ****** ** *** or **** *********** **** ******, ***** can ** ********** ** **** ***** provides ***** **********. **** ** ****** in ***** *******. ******* ******* **** redundancy **** ****** ******** ***** **** many ******* **** *** ******* ** a ****** **** *****.
Camera / **** *******
******* ***** ** * ****** *** eliminate *** **** *** * ******** recorder. ******* ** ********* ******** **** microSD, *** ** ***** ******.
***** *** *** **** **** ** using **** *********:
- **** ****/** ***/***:**** ******* *** ** **** ** the **** *******, **** ** ******* NVR/VMS, ********* **** ******* *******.
- ********* *********:** ** *** ** **** *** redundancy, ********* ** *** ****** ***** the ******* ** **** *** *** recorder ****** ** *******, **** ********* when ******* ************ ** ********.
*******, ********* ** ******* ** *** common, ** ** ** ********* **** expensive *** ******* ** ******* ** a ******** **** ****** *** *****. Additionally, ** * ****** ** ******* or ******, *** **** ** ******** video ** ******.
** *** ***** ****, ********* ** cameras ** * ******* ***** ******** by * ****** ** ***** ********, most ******* *******.
Network *******
****** *******-***** ******* *** ****** ******* capacity (**** **** ******) ** * surveillance ******. **** *** ***** * system ** ******* **** *******, ***** longer ********* *****, ** ******** *** resolution/quality ** *** ******* *******.
***** *** * ****** ******* *** adding ******* *******; *** *** ***.
*** ******* ** * ***-**** ****** of *******-******** ******* *** ***** ***** systems. ******* ***** *** ********** *** lower **** ******** ** ***-***** *******.
******* ***** ** * *** ****** large ***** *********, ******** ******** ****** architectures *** ********* **** **********.
****** ********* ******** *** ******* **** typically ************* ******** ***** **** ******** to ****** **** ******* ** *** primary ********. ********, **** ********* ******* manufacturer-specific ******** *** ******-***** *********** ** engineers ** ********* *** *******.
Cloud *******
***** ******* *** ************ **** * limited ****** *** ***** ************. ***** storing ***** ** *** ***** ********* (or **********) *** **** *** ******** storage, ** *** **** ********* ******* in ***-******* ******* *****-***** *****.
*** ******* ********** ** ***** ******* are *********** **-**** ********* **** ****** it ****** ** *** **** ******* and ********* **** **********.
************, ***** ***** ******* ********** *** risk ** ***** **** ** *** recorder ** ******* ** ******. **** is ******** ******** ** ***** ******* providers *** ***** ******** *** ******** happens, ** ** *** * ****** problem.
*******, ******* *** ***** ** ***** stored ***-*******, *** ***** **** ** uploaded, ********** ********* *********** *** ******* loss ** ** ******** ******. ***** are **** ********* *********** ** *** number ** ******* **** *** ****** video ** *** *****, ***** ** upstream ******** ********* *** * ***** site.
**** *** ***** ** ******** ** the *****, ** *** ********* ** viewed ******** ******* ********** ** *** local *******/*******.
** ** **** **** ****** ** store ***** ** *** ***** ** 77% ** *********** ***** **** ************ or ***** ** **. *** **** details ** *** ******,***** ***** ************ ******* ***** ****.
Specialized ************ **** ******
*********** ************ **** ****** *** ******** for ********** ******* ** *****, ***** is *** * ****** ******* ******* of ***** ************.***** ***** *** ** ****** **** system ***********, **** ***-**** **** ** *** include ****.
************* ****** *** **/* ***** ************ of *** ****** *** *** ***** consumption, ******* ** **** ***** ********** data ****** ****** **** ******* *********** ratings *** ****** **********.
*********** ************ ****** *** **** ~** as **** ** ******* ***** ******** "desktop" ******, *** **% - **% less ********* **** **** ****** ******** for **** ****** ***.
Storage ********
*********** *** ****** ** ******* ******** is * *** **** ** ********* a ************ ******. ***** ** *** be ********* ** *** ***** *** vary ****** ******* *** **** ******** conservatively.
*** ****** ** ****** ********* ****** from ********* **** * ** * camera ** ********* * *** ** a ******** ** * ***** ** dozens ** ****** *******.
** ************ *******, ****** *** ********* offered ** ******** (**) *****. ***** systems *** ******* ** ****** ** 1TB, ***** ***** ******* *** ***** into ******** ** *** ** ********* of ** (**** ** ** * Petabyte) ** ******** ********* (**).
**** ************ ************* ******* ****** ******* (and ******* **********) *********** ***** ** help ********* *** ***** ****** ** storage ******** ********. *******, **** ** these ***** ************ *** ****** ** storage ********, ********** *** ****** ** hard ****** *** ******* ********, ***** can ************* ******** ****** ****.
Storage ********
******* **** ********* **** ******* ******** days ** *********, *** ****** ******* allowed ****, ****** ************* ** *** long ** ****** ***** ** * necessity.
*******, ******* *** **** *** / NVR ********** **** ******* * ******* number ** **** ****** ********** (* and * ***** ****** *** ******* systems). **** *** ********* ******* ********, especially ***** *** *** **** ** those ********** *** *** ***** **** of ********* ****** ****.
**-**** ** ******* ** **** ******** offered, *** ** *** ********* **** of ******* **** *** **** ** years *** *** ********* ********** ** storing ******* ********* ******.
** **** ************ ** *********, ***** are *********** *** ************ *** *** maximum ****** ** **** ********, ** a ******* ****** ** **** *** to *********** (*.*. **** ******, ****** care, ***********).
Recording *****
******* ** *** ********* ***** ** customers, *** **** ** ********* ** important ** ******* *** ******** ******** video *** ******* *** ******** ******* duration **** *** ******** *******.
***** *** * ******* ********* *****; continuous *** *****/****** *********.
Continuous *********
********** ********* ***** *** ***** ** always ***** ********, **** **** ***** is ** ******** ** ******. **** is **** ****** ** ****-******** ********, corrections, *** ********* ***** *****/************ **** place (*.*. *******, *******, ***********).
** ******* **** ********** **** ******* is ********, *** *** ******* ************* more ******* ******** **** *****/****** *********. This **** ******** *** **** ** hard ****** *** *** **** ******* additional *******.
Motion / ***** *********
****** ** ***** ********* ***** *** video ** **** ******** **** *** camera ******* ******/******** ****** *********) ** is ********* ** ** ***** (*.*. input *******, ****** *******).
**** *** ******* ************* ***** ******* capacity **** ********** *********, *******, **** the **** ** ******* * ******** incident ** ** ** *** ********.
************, ** ************ **** ******** ******, the ******* ******* ** ***** ****** recording **** ** *********.
Recording **********
******* ***** *** ** ********* ********** for ********* ********* ** *** **** of *** ** ****, ********* *** primarily **** *** ******* ************. ***** a ****** *** ******* ********** ********* during ******** *****, **** ******* *** be **** ** ********* ** ****** recording ***** *****.
**** ** **** ******** **** ** storage ***** **** ********* ************* **** the **** * *****.
Automatic ******* ********
********* ********* ****** *** ****** ***** to **** ** ***** *** *** video ** ** ********, **** ***** is *******.
**** ******* ***** ***** ** ******* specific ***** ***** **** ********* ******** to ******** ******** ******** ** **** importance (******** *********, ******** *****, ***.). This ** ********* ** *** **** of *********, *****, ***.
Storage **********
**** ******** *** ******** ************ ******* can *** ********* ** ****** ******* to ****** **** ********* *********. *** 3 ****** ******* ** ********** *** RAID, ********* *******, *** ****** *******.
****
**** ** *** **** ****** *** least ********* ****** ** ******* ********** for ******** *****. ***** **** **** is ******* ** ****** ******** ****** so ** * ***** ***** (** more ****** ********* ** *** ****), the ******* *** ** *********. *** most ****** **** ************* **** ** surveillance ******* *** **** * (* redundant *****) *** **** * (* redundant ******).
********* ****** **** **** ** *** add ** *** ***** ******* ******** of *** ******, ** ***** ** an ***** **** *** *******. ********, RAID ******* *** **** ***** ** recover *** ******* **** * ***** fails, ***** *** ************* ****** ****** performance
Redundant / ****** *******
********* ******* ***** **** ***** ** recorded ** * ********* **************, ***** backup ******* ***** *** ***** ** first ******** ** ******* ******* *** then ****** ** * *********/****** ******* location. **** ***** ********* ********* **** with * ************ ******** **** (*.*. recording ****** *********** *******).
********* *** ****** ******* ********* **** double *** **** *** ******* ******* twice *** ****** *** **** ***** resources *** ******** *** ****. ***** are ******** ** **** ************ *******.
Edge ********* ********* / *********
****** ********* *** ** **** *** redundancy, ********* ************ ** *** ****** and * ********. ** *** ******'* network ********** ** **** *** *** recorder ****** ** ******* *** ****** continues ** ****** *******. **** ******* connectivity ** ******** *** ****** **** upload *** ******* ******** ***** ** fill ** *** **** ** *** server *********.
**** ** * ******* ********* **** supported ** **********-******* ***** *** *****-******* VSaaS ******* **** ****** ** ******* recording.
Notable ************ ******* *********
** ******** **** ** ******** ** notable ************ ******* *********:
*******/****** *********
***** *** ****** ** ******* / server *********, ***** *** *** ******* depends ** ***'* ******** ******.
*** *** ******* ******* ********* *** Dell *** ***, ** * ******* second, **. ***** *** ******** **** or ****** ******** *** ********** ** video ************, *.*., ** *** ** BCDVideo ** ********** *****, ****** *****, in ********* ***** ** *** *****, there *** ****** ** ** ***** more ****** *********.
***/*** *********
*** *** *** ************* *** ****** providers ** ******* ********** **** **** China ************* ***** *** ********* ******* for ******* ******* ** *** **** and * ***** ** ***** ********* across *** ***** ***** ** ***** in ****** *** ************* *******.
************ **** ***** *************
**** * *** ******* ************ **** drive ************* ***** **** ******* ******* and ******* *********** ****** ** * duopoly ** ***** ************ **** * much ******* ****** ***** *******. *** more, *** ****'********* ***** ************ **** ***** ************* 2020.
* **** (* ** ****) ***** an *********** ************ ******** **** ******* in **** ******. ** ** ** end **** ************ ** *** *** technical *** ** ** **** ** an *********** ***** **** * ***** pitch. ** ** ******** ** **** down ******* *'* **** ** **** all **** **** **** ** **** so ** ****** *** ** **** to ***** ** ** *** ** my ********* ***** **** ***** ** delighted ** ******* * ******* ** your ***********. ****** **** * * message ** **** ***** ** ** interest
******* *** *** **** **** *** many *****. ******* ** *** ***** player (******** **** *******) ** **** space.
**** ************
** **** **** ********* ****** **** IPVM, * *** ****** **** ** and ******** ** ******** ** * folder **** * *** ********* *** to **** * **** **** ******** soon.