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| Deleted Data Recovery from SSD impossible ? http://forum.hddguru.com/viewtopic.php?f=10&t=35192 |
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| Author: | athena [ March 28th, 2017, 0:42 ] | ||
| Post subject: | Deleted Data Recovery from SSD impossible ? | ||
I am working on a client SSD in which he has deleted data. Diagnostics shows recovered files are zero filled by SSD Trim firmware so even raw recovery gives nothing. Google search shows only Manufacturer can recover data in his own lab. Is there any way to retrieve it ? What is your experience in SSD recovery ?
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| Author: | Martin [ March 28th, 2017, 4:33 ] |
| Post subject: | Re: Deleted Data Recovery from SSD impossible ? |
If TRIM has finished its job, nobody will help you. |
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| Author: | einstein9 [ March 28th, 2017, 5:05 ] |
| Post subject: | Re: Deleted Data Recovery from SSD impossible ? |
Martin wrote: If TRIM has finished its job, nobody will help you. +100 don`t waste your time |
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| Author: | northwind [ March 28th, 2017, 6:59 ] |
| Post subject: | Re: Deleted Data Recovery from SSD impossible ? |
I think the last sentence of your posted picture is quite funny, actually. +1 to what the others said, if TRIM is finished data is gone. |
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| Author: | athena [ March 28th, 2017, 7:29 ] |
| Post subject: | Re: Deleted Data Recovery from SSD impossible ? |
 so it is confirmed no one can recover data. Its hard to say to customer when data is very much critical.Thank you all for shading light. |
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| Author: | jermy [ March 28th, 2017, 13:52 ] |
| Post subject: | Re: Deleted Data Recovery from SSD impossible ? |
athena wrote: :( so it is confirmed no one can recover data. Its hard to say to customer when data is very much critical If data is very critical you make backups frequently |
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| Author: | athena [ March 28th, 2017, 22:06 ] |
| Post subject: | Re: Deleted Data Recovery from SSD impossible ? |
Hi jermy yes backup is very essential . This disk is of my customer. |
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| Author: | geagle [ March 30th, 2017, 11:59 ] |
| Post subject: | Re: Deleted Data Recovery from SSD impossible ? |
Martin wrote: If TRIM has finished its job, nobody will help you. Neither the manufacturer? |
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| Author: | Martin [ March 30th, 2017, 12:58 ] |
| Post subject: | Re: Deleted Data Recovery from SSD impossible ? |
geagle wrote: Martin wrote: If TRIM has finished its job, nobody will help you. Neither the manufacturer? If drive supports TRIM - yes, despite of brand\manufacturer. |
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| Author: | HaQue [ March 30th, 2017, 17:28 ] |
| Post subject: | Re: Deleted Data Recovery from SSD impossible ? |
going back to the Original post: "Diagnostics shows recovered files are zero filled by SSD Trim firmware so even raw recovery gives nothing." what exactly is diagnostics? unless you have read the NAND chip and looked at the dump, you really can't be making assumptions. If you did some sort of logical recovery, R-Studio or GDB on the device, then I would How were you able to say for sure the zero filled files were because of TRIM? There are quite a few SSD's that can be recovered and methods same as flash drives. Sandforce, Marvell and some Phison are exceptions. The main factor in making them "worse" to recover is multiple NAND chips, some single NAND chips having 16 or 32 dumps each and the sheer time it takes to process ECC / read dumps.. and storage space. in flash you cannot talk in general terms. one drive may be a total cow to recover, the next one with same controller/NAND and PCB could be a piece of cake. One thing is for sure though, not knowing when to move on to next case can be a real deciding factor of if you go broke or not. |
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| Author: | athena [ March 31st, 2017, 20:15 ] |
| Post subject: | Re: Deleted Data Recovery from SSD impossible ? |
Hi HaQue Thanks for shading light on the subject which might be useful for me and everyone in future. There is no way to know whether files are zeroes by TRIM . I have only logical / raw recovery as I don't have chip-off tools to directly read Nand nor technology / knowledge to interpret dumps. If opened in hex view files all then show is zeros. |
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