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ddrecovery
What's DOS?
Posts: 2
Registered: ‎12-06-2018
Location: US
Views: 185
Message 1 of 5

W700 RAID 0 Unknow Disks

I am a data recovery engineer and have a clients W700ds with a failed RAID 0 drive. I can get the data back for the client by building the RAID externally with software, but the client has a massive amount of software on the laptop he does not want to lose, so we are trying to get the Laptop to boot. Both drives have been cloned successfully, but on installing the clones I get an 'unknown disk' warning. I presume this is because the drives serial numbers are different to the drives meta data for the original drives.

 

The system recognizes there is a RAID there because if I try to create a new RAID the error message says there is no room to create a new RAID (the RAID 0 volume was the entire disk size), but does not show the RAID volume as a defined RAID. Is there a way fo force the RAID to either boot or to ignore the 'unknown disks'?

Community SeniorMod
Community SeniorMod
Posts: 3,391
Registered: ‎12-01-2007
Location: US
Views: 154
Message 2 of 5

Re: W700 RAID 0 Unknow Disks

Hello,

 

Have you tried deleting the old RAID0 array in the BIOS and then creating a new RAID0 array using new drives in the ThinkPad W700ds, and once that is built doing an image copy of the original/recovered RAID0 array to the new one?  It sounds like the old one first has to be removed.

 

Regards,

 

Aryeh Goretsky

 



I am a volunteer and neither a Lenovo nor a Microsoft employee.

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ddrecovery
What's DOS?
Posts: 2
Registered: ‎12-06-2018
Location: US
Views: 146
Message 3 of 5

Re: W700 RAID 0 Unknow Disks

Thanks for the advice, however when trying to delete the old RAID I get the error 'there are no RAID volume to delete'. When I try to create a new RAID it says 'no room to create a new RAID'. Seems like I am stuck in a bootloop.
Community SeniorMod
Community SeniorMod
Posts: 3,391
Registered: ‎12-01-2007
Location: US
Views: 124
Message 4 of 5

Re: W700 RAID 0 Unknow Disks

Hello,

 

Perhaps pulling the CMOS/RTC backup battery will reset the RAID option to factory default?

 

Regards,

 

Aryeh Goretsky

 



I am a volunteer and neither a Lenovo nor a Microsoft employee.

L380 YogaP72 (20MB-*)P50 (20EN-*)S230u (3347-4HU)T23 (2648-LU7)T42 (2378-R4U)T43p (2678-H7U)T61p (6459-CTO)W510 (4318-CTO)W530 (2441-4R3)W530 (2441-4R3)X100e (3508-CTO)X120e (0596-CTO)X220 (4286-CTO)X250 (20CM-*)Yoga 370

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it_geek
802.11n
Posts: 150
Registered: ‎05-31-2014
Location: SG
Views: 74
Message 5 of 5

Re: W700 RAID 0 Unknow Disks

From my experience I have never been able to re-boot a cloned RAID 0 from an originally failed RAID 0, although the data is still there.

 

The next best option may be to manually extract the license files embedded in the registry, or license files scattered over the driver.

 

Unfortunately, this is one of the risks of using RAID 0.

 

If this was a RAID 1 it may have been a different story.

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