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IT Department everywhere...

  • Yes that was bnew. Lahat. I don't think data recovery is covered by warranty, in the first place never deploy a system without any form of backup. That was a hard lesson learned from that Synology experience.

    Take note, hindi nasira ang harddisk, they are all ok, so happens that the NAS reported one as failed kahit ok pa naman, eh RAID 5 di ba, so isang failure pa sira na ang array. Hindi agad namin napalitan yung isang disk, tapos ni report din ni Synology NAS na failed na rin yung isa after a day. So yun sira ang array.

    And it's not a fluke, meron pa kami isa Synology, same model, buti di pa for production, ganun din RAID5, nasira din ang array kahit ok naman ang mga disk. We know, kasi I rebuilt the RAID5 array and ok naman, syempre wala na ang data mo kasi mag initialize yun.

    And after some test, seems that RAID1 was the best option, hindi nasira yung array. Yun nga lang lugi ka sa disk space.


    naku mukhang napaisip ako kung irerecommend ko pa itong synology na ito. Any other option po na marerecommend nyo? If windows file server po kaya? anong hardware & software ang mga requirements ko? ano ano yung mga kailangan ko, at ano rin yung dapat kong malaman sa client namin?

    if RAID1 po ba kapag nasira yung isa may chance pa rin bang irebuild yung isang hardisk na nasira?
  • if RAID1 po ba kapag nasira yung isa may chance pa rin bang irebuild yung isang hardisk na nasira?


    ganito, again based on experience, kung pano nag perform yung Synology ha, I don't kung specific lang sa model na yun.

    Anyway, it was a 4-bay NAS. So kung RAID1 tapos 4 na 2TB, magiging total capacity lang ay 4TB, dalawang 2TB na volumes yun.

    Say, Disk0 and Disk1 = array1 tapos Disk2 and Disk3 = array2

    Kapag nasira yung Disk0 , OK pa ang array 1, kapag nasira naman yung Disk1 at hindi mo pa napapalitan yung Disk0 or di pa tapos mag sync, you're toast.

    Same goes with array2.

    Kung RAID5, tapos 4 x 2TB, total capacity is 6TB, 1 volume. So Disk0,Disk1,Disk2,Disk3, kapag may nasira na isa dyan, OK pa ang array mo. Data is intact. Kapag may nasira pa na isa (or kahit hindi sira at sinabi lang ni Synology na sira), wala na ang data mo, kaboom!

    Again, may inaantay ako na machine soon, it's a Dell, and it's a Windows 2008 Storage Server, it's just Win2k8 with File Services only role. No need for CALs.

    Downside, it's expensive, cost you around 290K to 300K+ depending on the configuration.
  • Linux based NAS crap out under high load. This has been confirmed by our customers contacting their NAS tech. support. We donít want to mention the brand name here but from our experience we know most linux-based NAS use similar embedded Linux OS code, so many NAS boxes suffer from the same or similar issues.


    this is true

    and this

    Some NAS boxes power off and go into a standby but donít power back on properly and thereby break idle network connections

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