Two controllers and 15 disk - which disks do controller 1

Dariusz Raczkowski · Oct 4, 2013

I have server after fail. My friend was disconnected all disk to remove power supply and now I don't know which disk was connect to eg. controller number one,
Is it some solution to check it disk is member which raid?
Controller is Intel c89056-100.

Thank you.
Dariusz

drtweak · Oct 4, 2013

Ok since your using a hardware controller thats good. The great thing about hardware controllers if you don't have to plug the hard drive in the exactly same SATA port on THAT controller. Raid not only stores the config on the card but it also writes it to the hard drive itself so when you put back in the hard drive the controller reads the info and the hard drive tells it what disk it is on that raid. So honestly if you have no idea what so ever and if you have two different controllers both running raid what you can do is just hook them up, start up the server, and it will tell you in the Raid config if its good degraded or broken. It will also tell you what drives its missing so you can then take the drives that don't go to that controller, remove them, add in another drive, and see if that works. Just keep doing that until you got the right set of disk. AND once you got that WRITE IT ON THE HARD DRIVE IT SELF! Any client we have which has more than a Raid 1 of two hard drive I ALWAYS write what Slot it went in the server on the hard drive it self.

Dariusz Raczkowski · Oct 7, 2013

The problem is that after reading controller manual a was read configuration from disks and write NVRAM.
I have 15 disks so is lots of combinations to chack.

drtweak · Oct 8, 2013

Yea the only way i would know to really get it all back together is to just toss them in there, and not which vitural disk is goes to. then once you label them all you can then rebuild them with the proper disk

Dariusz Raczkowski · Oct 15, 2013

Sorry, my English is not very well. Do You mean that connect to controller disks with different combination and try to rebuild? If disk will incorrect than I lose data??

drtweak · Oct 15, 2013

No you don't try to rebuild and for gods sake do NOT do a INITILIZE DISK. That will erase everything.

What I am asking is this. Plug in a few drives to the server. Go into the raid BIOS when you boot up the PC. The hard drives have the Raid Configuration of what Raid they belong to on the hard drive. So when you start them up and go into the BIOS for the RAID controller it will then List what Raids it sees and what drives are there and you can then see what ones are missing and then add them or remove the ones that dont belong.

Now are ALL the disk on the same raid controller? If they are it doesn't matter what Sata port you plug them into. If he has like 6 drives and its a 8 Ports Controller and they all go on the controller just plug them all it. The raid card will see that the drives are there REGARDLESS of what sata port they are plugged into. Thats the beauty of Raid Controllers

Dariusz Raczkowski · Oct 23, 2013

I don't try anything jet but before asking here I was run server and in bios controller I choose read configuration rom disk.
I have tho controller:
fist with 7 disks
second with 8 disks

Thank for advice

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Two controllers and 15 disk - which disks do controller 1

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