42 پاسخ به “NAS vs SAN – Network Attached Storage vs Storage Area Network”

1. Here is an example of a NAS (affiliate) https://amzn.to/2VgnRgD

2. I'm a visual person and this type of presentation is just perfect.

3. You guys are fast becoming my favourite channel – thanks a million!

4. Fantastic video! I learned so much so quickly. Thank you!

5. Excellent

6. Very nice, clear explanation. Good pace and clear voice. Nicely done and much appreciated!

7. SAN is fun to play with. Bought some old IBM equipment, pcie SAS controller cards and cables from ebay. Used two debian servers with 40Gbps infiniband. 60 hours spent. worth it 😀

8. Didn't know 128Gbit/s FC existed. But great video, as always!

9. Excellent. Very well illustrated with clear, simple explanations. Thank you.

10. Naz

11. very nice explanation sanks

12. If I look at the word NAS in the mirror, it will say SAN. Same goes for the word SAN.
    I shall put this on my resume and apply to a big tech firm, with confidence I will be immediately hired as genius-level lead engineer.

13. was planning on making a SAN for my home network storage but the price doesnt makes SANs

14. dear keith can u pls post some videos on fabric understanding/ leaf and spine switches and data centre concepts

15. This video has a bit of misinformation but good enough for laymen to understand +1

16. But a file cannot be accessed by multiple users on a SAN?

17. very good accent, i'm french and i understand everything , thanks a lot !!!! i do understand very well now ! and these explications are very nice !

18. A computer nerds perspective…

    I have a SAN setup at home and it's really not that expensive – far cheaper than a NAS although the initial learning curve is steeper. SANs are not plug-and-play in the way that a consumer NAS unit is, they require some proper administration and configuration. Fortunately, this isn't too difficult once you understand how the elements of a SAN interact.

    Since SAN equipment is designed for the enterprise it is power efficient and almost bombproof.

    I bought cheap second hand enterprise equipment that was SAS and SATA capable from a certain 'bay' popular with shoppers. I then populated them with the cheaper SATA (never do this in an enterprise). I bought a job-lot of 6 Disk Shelves, each with 24 drive capability but currently only use two shelves at half capacity. These provide redundant storage services to my 16-blade m1000e server (delivering a private vSphere VM cloud) and to my workstations.

    At 40Gb/s the SAN is far faster than my former QNAP NAS which only had a single 1Gbit LAN port. The built in redundant RAID controllers, redundant network cards and redundant PSUs mean that the shelf can develop a fault and just keeps on running. The data redundancy in the storage medium is automatic and transparent, letting me get on with my life. In use it feels very responsive… indistinguishable from a local drive in fact.

    I'd recommend a secondhand SAN shelf over a NAS to anyone who likes tech and isn't scared to learn new things. NAS units tend to lack any real redundancy, usually don't offer much storage and only a single type of filesystem. They often have numerous software plugins for things like torrenting and websharing, but security (in consumer NAS units) is sometimes very much an afterthought so I'd never advise exposing one to the wider internet.

    Basically, geeks should use SANs… no excuses ; )

    Oh, and SANs have WAY more blinkenlights! And we should all strive for more blinkenlighten in our lives!

19. Good Job Bro…

20. that word art tho

21. Finally I understand the difference between NAS and SAN. Thanks a lot.

22. NAS vs SAN to me = SAN has dedicated controllers that handle multiple disk shelves.
    Otherwise it is a NAS, which also do iSCSI and Fiber Channel so that is not exclusive to SAN's

23. The disadvantage you mentioned doesn't apply to a selfbuild one. You can get dual server psu's and all the good stuff if you really want to. Even in rack form.

24. Sounds NASty

25. can you tell me what is unified SAN NAS?

26. Thank you… That was very informative.

27. I prefer ANS (Area Network Storage) or SNA (Storage Network Area).

28. You’re amazingly through

29. Thanks for interesting information.

30. i learn much more from videos than from a book. And this channel has some high quality videos

31. Plzz make video of clustering and type of clustering and how it's works

32. Can u provide videos lyk this for cloud computing ang big data

33. Can't explain simpler than this. Great video for anyone who wants to understand the basics.

34. There is one SAN vendor, Coraid, that repurposes Ethernet to serve as the substrate for its network in order to reduce cost.

35. sans

36. woow, you talk about old nas server technology, today you have nas with dual controller, with iscsi 10, 25, 40 gb / s, there are NAS with ISCSI per block, there are nas with protocol fc, this video would be great if we were in the 2000

37. Read NAS backwards

38. This help a lot.Thanks!

39. Enjoyed this video, simple and easily understood. Could you do one on Hyperconvergence? 🙂

40. Great Job has done every time on these videos. Keep it up the good work!

41. thanks for the video, you did a great job explaining it in a very simple way 🙂

42. You guys really are the best of all the cert training videos I wish you did more! Always clear and simple explanations, well done.

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