2013/5/5 Randolph Maaßen <r.maasse...@gmail.com> > 2013/5/5 Hinnerk van Bruinehsen <h.v.bruineh...@fu-berlin.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 > >
I'm so damn lucky I dd'ed the SSD onto an external drive and worked at first on the image with qemu. A simple recreation of the partition brought the system back to live on the image. I tried the same on the real machine and Gentoo works again. -- Mit freundlichen Grüßen / Best regards Randolph Maaßen
