Re: [gentoo-user] Recover on SSD

[Randolph Maaßen]

2013/5/5 Hinnerk van Bruinehsen <h.v.bruinehsen@×××××××××.de>

> On Sun, May 05, 2013 at 02:44:11PM +0000, Randolph Maaßen wrote:
> > Hi,
> >
> > I have a SSD in my laptop and I am running Win7 and Gentoo in Parralel.
> for
> > some purpose I needed several Partitions so my base system was lying on
> > sda10, on an LVM-PV. Today my Windows refused to start and during
> recovery
> > its diskpart must have deleted the information about the 10th partition
> on
> > the disk, containing my main Gentoo system. Recovery failed, but
> > sysrescuecd still works :)
> >
> > Now I'm concerned about the rescueing of the partition on the SSD, is it
> > the same way as on HDDs and are the same memory-parts of the SSD used? Or
> > is the partiton gone forever? And when I recreate a partition, will the
> PV
> > with the data still be there and readable?
>
> You could try Testdisk[1]. It may help. The data on a SSD is not
> necessarily stored linar so it's not said that a new partition is using
> the same memory cells as the old one. Even if it is, you'd lose any
> information about directories or files (names, dates, accessrights and
> so on).
> You should definitly try to minimize writes (ideally there would be
> none) since they can corrupt data. For a HDD I'd advise to create a copy
> using dd but from my understanding of SSD technology it's not
> guaranteed to copy the right (now unused marked) blocks.
> If you can't recover the old partition information I'd say you lost your
> data unless you are willing (and there's no guarantees either) to pay
> substantial amounts of money to specialised services (substantial as in
> most likely >> 1000 EUR).
>
> WKR
> Hinnerk
>
>
> [1] http://www.cgsecurity.org/wiki/TestDisk
>


Thanks for the input. I ensured that there is no write after I noticed the
partition was missing.
I try what I can now, and I'm sure its gonna be a long night


-- 
Mit freundlichen Grüßen / Best regards

Randolph Maaßen