Am 06.07.2012 18:11, schrieb Jim: > On 07/06/2012 12:02 PM, Michael Schwendt wrote: >> On Fri, 06 Jul 2012 11:22:55 -0400, Jim wrote: >> >>>>> /dev/sdb1 is now a blockwise copy of /dev/sda2 >>>> On 05.07.2012, Jim wrote: >>>> >>>>> There are some important data files I must save off of sda2 >>>> Before you start any rescueing, take a full snapshot of the partition, >>>> e.g. "dd if=/dev/sda2 of=/dev/on_an_external_disk" >>>> >>> that is exactly what I did but nothing shows up on /dev/sdb1 external >>> drive after dd has completed . >> That makes no sense. If /dev/sdb1 points at a corrupted filesystem, >> above "dd" command will copy the same corrupted filesystem to /dev/sda2. >> That's expected and okay, if you only want to keep that one read-only as >> a backup of the originally corrupted filesystem. Then you can play with >> rescueing sdb1 - but be careful and remember that sda2 is supposed to be >> your backup of a corrupted filesystem. Don't mess with that one. >> >> Better would have been to copy sdb1 to an image file instead of another >> partition device. >> > sda2 is the corrupted file system. > I'm trying to send a img of the sda2 to backup hard drive sdb1 but you did sent the command to overwrite the whole partition AND NOT a image some posts before! > I' running into a read-only filisystem on sda3 , but : > > # mount | grep sda3 > /dev/sda3 on / type ext4 (rw,relatime,seclabel,data=ordered) what role does play sda3 in this game now? > it say it is rw but when i run the dd command i get a read-only filesystem what role does play sda3 mounted as rootfs for the dd-command and why should dd write to this drive? A LAST TIME: provide UNCUTTED inputs and outputs if you need help as also FULL information what are you trying to do and not only what you think is the solution
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