V\u1edbi h\u1ec7 th\u1ed1ng VMS, b\u1ea1n c\u00f3 hai l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn \u0111\u1ec3 tri\u1ec3n khai Redundancy:<\/strong>
– Failover t\u00edch h\u1ee3p s\u1eb5n trong ph\u1ea7n m\u1ec1m VMS.
– Redundancy d\u1ef1a tr\u00ean c\u00f4ng c\u1ee5 \u1ea3o ho\u00e1 (Hyber-V, VMWare, Proxmox, \u2026).
M\u1ed7i ph\u01b0\u01a1ng \u00e1n \u0111\u1ec1u c\u00f3 \u01b0u, nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 m\u1ee9c chi ph\u00ed kh\u00e1c nhau. B\u00e0i vi\u1ebft n\u00e0y gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 v\u00e0 ch\u1ecdn gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p cho h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n
![\"\"](\"https:\/\/mlnyy7eygtqr.i.optimole.com\/w:auto\/h:auto\/q:mauto\/g:sm\/f:best\/https:\/\/kinhnghiemlamviec.com\/wp-content\/uploads\/2025\/11\/image-1.png\")
<\/figure>\n\n\n\n1. V\u00ec sao h\u1ec7 th\u1ed1ng VMS c\u1ea7n Redundancy?<\/h2>\n\n\n\n
Trong gi\u00e1m s\u00e1t an ninh, m\u1ecdi gi\u00e2y ph\u00fat m\u1ea5t ghi h\u00ecnh \u0111\u1ec1u c\u00f3 th\u1ec3 b\u1ecf s\u00f3t s\u1ef1 ki\u1ec7n quan tr\u1ecdng. Server g\u1eb7p s\u1ef1 c\u1ed1 c\u00f3 th\u1ec3 g\u00e2y:<\/p>\n\n\n\n
- \n
- M\u1ea5t d\u1eef li\u1ec7u video.<\/li>\n\n\n\n
- Gi\u00e1n \u0111o\u1ea1n livestream.<\/li>\n\n\n\n
- D\u1eebng c\u00e1c ch\u1ee9c n\u0103ng ph\u00e2n t\u00edch ho\u1eb7c c\u1ea3nh b\u00e1o.<\/li>\n\n\n\n
- Th\u1eddi gian ch\u1ebft c\u1ee7a h\u1ec7 th\u1ed1ng d\u00e0i, g\u00e2y ra l\u1ed7 h\u1ecfng b\u1ea3o m\u1eadt cho doanh nghi\u1ec7p.<\/li>\n<\/ul>\n\n\n\n
2. Gi\u1ea3i ph\u00e1p failover t\u00edch h\u1ee3p s\u1eb5n c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m VMS<\/h2>\n\n\n\n
![\"Failover](\"https:\/\/mlnyy7eygtqr.i.optimole.com\/w:1024\/h:365\/q:mauto\/g:sm\/f:best\/https:\/\/kinhnghiemlamviec.com\/wp-content\/uploads\/2025\/11\/IP-server.jpg\")
<\/figure>\n\n\n\nA. C\u00e1ch ho\u1ea1t \u0111\u1ed9ng<\/strong>
– C\u00e1c h\u1ec7 th\u1ed1ng VMS hi\u1ec7n \u0111\u1ea1i c\u00f3 s\u1eb5n c\u01a1 ch\u1ebf Automated Failover. Khi server ch\u00ednh b\u1ecb l\u1ed7i, server d\u1ef1 ph\u00f2ng s\u1ebd t\u1ef1 \u0111\u1ed9ng nh\u1eadn to\u00e0n b\u1ed9 camera, c\u1ea5u h\u00ecnh v\u00e0 ti\u1ebfp t\u1ee5c ghi h\u00ecnh (th\u01b0\u1eddng trong v\u00f2ng < 1 ph\u00fat).
\u0110i\u1ec1u ki\u1ec7n tri\u1ec3n khai failover ph\u1ea7n m\u1ec1m VMS<\/strong>
– C\u1ea7n t\u1ed1i thi\u1ec3u 2 server c\u1ea5u h\u00ecnh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau.
– C\u1ea7n mua license Failover cho ph\u1ea7n m\u1ec1m VMS.<\/p>\n\n\n\nB. \u01afu \u0111i\u1ec3m<\/strong>
– Kh\u00f4ng c\u1ea7n ph\u1ea7n m\u1ec1m b\u1ed5 sung, ch\u1ec9 c\u1ea7n c\u1ea5u h\u00ecnh trong ph\u1ea7n m\u1ec1m VMS.
– Chuy\u1ec3n \u0111\u1ed5i t\u1ef1 \u0111\u1ed9ng, kh\u00f4ng c\u1ea7n thao t\u00e1c k\u1ef9 thu\u1eadt.
– \u0110\u1ed3ng b\u1ed9 camera v\u00e0 setting nhanh gi\u1eefa c\u00e1c m\u00e1y ch\u1ee7 VMS v\u1edbi nhau.
– \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh cao do \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho ch\u00ednh n\u1ec1n t\u1ea3ng ph\u1ea7n m\u1ec1m VMS.
– Qu\u1ea3n l\u00fd t\u1eadp trung, giao di\u1ec7n tr\u1ef1c quan.<\/p>\n\n\n\nC. Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong>
– C\u1ea7n b\u1ed5 sung license cho ch\u1ee9c n\u0103ng Failover, \u0111a s\u1ed1 c\u00e1c ph\u1ea7n m\u1ec1m VMS hi\u1ec7n \u0111\u1ea1i ng\u00e0y nay \u0111\u1ec1u b\u1eaft ph\u1ea3i mua, kh\u00f4ng c\u00f3 free v\u00e0 gi\u00e1 r\u1ea5t cao.
– N\u1ebfu tri\u1ec3n khai quy m\u00f4 l\u1edbn, c\u1ea7n th\u00eam license ho\u1eb7c ph\u1ea7n c\u1ee9ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng server ch\u00ednh tu\u1ef3 ch\u00ednh s\u00e1ch ph\u1ea7n m\u1ec1m VMS.
– Th\u1eddi gian chuy\u1ec3n \u0111\u1ed5i t\u01b0\u01a1ng \u0111\u1ed1i l\u00e2u g\u00e2y ra gi\u00e1n \u0111o\u1ea1n trong h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\nD. Gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p v\u1edbi:<\/strong>
– Doanh nghi\u1ec7p c\u1ea7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh t\u1ed1i \u0111a.
– H\u1ec7 th\u1ed1ng camera l\u1edbn, y\u00eau c\u1ea7u uptime cao (b\u1ec7nh vi\u1ec7n, tr\u01b0\u1eddng h\u1ecdc, nh\u00e0 m\u00e1y, \u2026).
– Mu\u1ed1n tri\u1ec3n khai \u0111\u01a1n gi\u1ea3n, \u00edt thao t\u00e1c k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n3. Gi\u1ea3i ph\u00e1p d\u00f9ng ph\u1ea7n m\u1ec1m \u1ea3o ho\u00e1 \u0111\u1ec3 t\u1ea1o Failover<\/h2>\n\n\n\n
Hyper-V Cluster<\/figcaption><\/figure>\n\n\n\n Thay v\u00ec d\u00f9ng Failover t\u00edch h\u1ee3p c\u1ee7a ph\u1ea7n m\u1ec1m VMS, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o m\u00e1y ch\u1ee7 \u1ea3o (VM) v\u00e0 d\u00f9ng Failover Cluster c\u1ee7a Hyper-V ho\u1eb7c Live Migration \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng khi hardware g\u1eb7p s\u1ef1 c\u1ed1.<\/p>\n\n\n\n
A. C\u00e1ch ho\u1ea1t \u0111\u1ed9ng<\/strong>
– C\u00e0i ph\u1ea7n m\u1ec1m VMS l\u00ean m\u00e1y \u1ea3o (VM).
– T\u1ea1o cluster cho m\u00e1y \u1ea3o.
Khi server v\u1eadt l\u00fd g\u1eb7p l\u1ed7i, VM t\u1ef1 chuy\u1ec3n sang hardware kh\u00e1c, ph\u1ea7n m\u1ec1m VMS ch\u1ea1y nh\u01b0 b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n\u0110i\u1ec1u ki\u1ec7n tri\u1ec3n khai failover ph\u1ea7n c\u1ee9ng m\u00e1y ch\u1ee7:<\/strong>
– C\u1ea7n t\u1ed1i thi\u1ec3u 2 server c\u1ea5u h\u00ecnh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau (tu\u1ef3 v\u00e0o \u1ee9ng d\u1ee5ng \u1ea3o ho\u00e1 m\u00e0 b\u1ea1n s\u1eed d\u1ee5ng).
– C\u1ea7n m\u1ed9t v\u00f9ng l\u01b0u tr\u1eef chung \u0111\u1ec3 ch\u1ee9a m\u00e1y \u1ea3o (v\u00ed d\u1ee5: NAS, SAN, …).
– Hyper-V, Proxmox h\u1ed7 tr\u1ee3 license free, VMware th\u00ec t\u00ednh ph\u00ed r\u1ea5t cao<\/strong>.
<\/p>\n\n\n\nB. \u01afu \u0111i\u1ec3m<\/strong>
– Ti\u1ebft ki\u1ec7m chi ph\u00ed license v\u00ec t\u1eadn d\u1ee5ng kh\u1ea3 n\u0103ng \u1ea3o h\u00f3a s\u1eb5n c\u00f3.
– M\u1ed9t hardware c\u00f3 th\u1ec3 ch\u1ea1y nhi\u1ec1u VM => t\u1ed1i \u01b0u h\u1ea1 t\u1ea7ng.
– T\u1eadn d\u1ee5ng h\u1ea1 t\u1ea7ng server c\u00f2n d\u01b0 c\u1ee7a kh\u00e1c h\u00e0ng, kh\u00f4ng c\u1ea7n mua m\u1edbi.
– D\u1ec5 m\u1edf r\u1ed9ng khi h\u1ec7 th\u1ed1ng l\u1edbn d\u1ea7n.<\/p>\n\n\n\nC. Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong>
– C\u1ea7n ng\u01b0\u1eddi h\u01b0\u1edbng d\u1eabn ho\u1eb7c k\u1ef9 thu\u1eadt vi\u00ean bi\u1ebft tri\u1ec3n khai h\u1ec7 th\u1ed1ng Cluster m\u00e1y \u1ea3o.
– Th\u1eddi gian chuy\u1ec3n \u0111\u1ed5i c\u00f3 th\u1ec3 l\u00e2u h\u01a1n so v\u1edbi failover c\u1ee7a ph\u1ea7n m\u1ec1m VMS.
– Ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh h\u1ea1 t\u1ea7ng \u1ea3o h\u00f3a (san storage, network,…).<\/p>\n\n\n\nD. Gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p v\u1edbi:<\/strong>
– Mu\u1ed1n ti\u1ebft ki\u1ec7m t\u1ed1i \u0111a chi ph\u00ed \u0111\u1ea7u t\u01b0 ph\u1ea7n c\u1ee9ng m\u00e1y ch\u1ee7.
– Chia nh\u1ecf h\u1ec7 th\u1ed1ng VMS tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7 ph\u1ea7n c\u1ee9ng.
– Doanh nghi\u1ec7p \u0111\u00e3 c\u00f3 h\u1ea1 t\u1ea7ng \u1ea3o h\u00f3a s\u1eb5n (Hyper-V, Proxmox, VMware, SAN storage,\u2026).<\/p>\n\n\n\n4. B\u1ea3ng so s\u00e1nh<\/h2>\n\n\n\n
Ti\u00eau ch\u00ed<\/strong><\/td> Failover d\u00f9ng VMS<\/strong><\/td> Failover d\u00f9ng ph\u1ea7n m\u1ec1m \u1ea3o ho\u00e1<\/strong><\/td><\/tr> Chi ph\u00ed<\/td> Cao h\u01a1n (c\u1ea7n server ri\u00eang)<\/td> R\u1ebb, t\u1eadn d\u1ee5ng h\u1ea1 t\u1ea7ng s\u1eb5n c\u00f3 c\u1ee7a doanh nghi\u1ec7p<\/td><\/tr> \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh<\/td> Cao<\/td> Cao<\/td><\/tr> T\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i<\/td> d\u01b0\u1edbi 1 ph\u00fat<\/td> Tu\u1ef3 v\u00e0o ph\u1ea7n m\u1ec1m \u1ea3o ho\u00e1<\/td><\/tr> Tri\u1ec3n khai<\/td> D\u1ec5<\/td> Kh\u00f3, c\u1ea7n IT \u1ea3o ho\u00e1<\/td><\/tr> M\u1edf r\u1ed9ng<\/td> Theo camera \/ server<\/td> Camera \/ ph\u1ea7n c\u1ee9ng \u1ea3o ho\u00e1<\/td><\/tr> Ph\u00f9 h\u1ee3p<\/td> H\u1ec7 th\u1ed1ng l\u1edbn, y\u00eau c\u1ea7u li\u00ean t\u1ee5c 24\/7<\/td> H\u1ec7 th\u1ed1ng nh\u1ecf, v\u1eeba, ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u1ea7u t\u01b0 ph\u1ea7n c\u1ee9ng.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n 5. T\u00f3m l\u1ea1i<\/h2>\n\n\n\n
Redundancy cho VMS l\u00e0 b\u1eaft bu\u1ed9c n\u1ebfu b\u1ea1n kh\u00f4ng mu\u1ed1n m\u1ea5t d\u1eef li\u1ec7u video quan tr\u1ecdng khi server g\u1eb7p s\u1ef1 c\u1ed1. V\u1edbi h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m VMS, b\u1ea1n c\u00f3 hai h\u01b0\u1edbng tri\u1ec3n khai linh ho\u1ea1t:<\/p>\n\n\n\n
![\"Hyper-V](\"https:\/\/mlnyy7eygtqr.i.optimole.com\/w:auto\/h:auto\/q:mauto\/g:sm\/f:best\/https:\/\/kinhnghiemlamviec.com\/wp-content\/uploads\/2025\/11\/Mo-hinh-ao-hoa-Hyper-V.jpg\")