Hi again, Jelle de Jong wrote: > Hi Jean-Pierre, > > Don't know if this is related to the bug you found. > > But I am getting scrambled data, one moment the file is empty then it > has data and the file sizes are not the same when copied:
Probably the same bug, though difficult to tell for sure. Please retry with the (hopefully) fixed plugin in http://jp-andre.pagesperso-orange.fr/dedup.zip Regards Jean-Pierre > > root@backup:~# ls -hal "/mnt/sr7-sdb2/ALGEMEEN/DSC_1319.JPG" > -r-xr-xr-x 1 root root 2.4M Feb 5 2014 > /mnt/sr7-sdb2/ALGEMEEN/DSC_1319.JPG > root@backup:~# cp "/mnt/sr7-sdb2/ALGEMEEN/DSC_1319.JPG" /root/ -v > '/mnt/sr7-sdb2/ALGEMEEN/DSC_1319.JPG' -> '/root/DSC_1319.JPG' > root@backup:~# ls -hal DSC_1319.JPG > -r-xr-xr-x 1 root root 0 Feb 9 13:31 DSC_1319.JPG > root@backup:~# file "/mnt/sr7-sdb2/ALGEMEEN/DSC_1319.JPG" > /mnt/sr7-sdb2/ALGEMEEN/DSC_1319.JPG: empty > root@backup:~# file "/mnt/sr7-sdb2/ALGEMEEN/DSC_1319.JPG" > /mnt/sr7-sdb2/ALGEMEEN/DSC_1319.JPG: data > root@backup:~# cp "/mnt/sr7-sdb2/ALGEMEEN/DSC_1319.JPG" /root/ -v > '/mnt/sr7-sdb2/ALGEMEEN/DSC_1319.JPG' -> '/root/DSC_1319.JPG' > root@backup:~# ls -hal DSC_1319.JPG > -r-xr-xr-x 1 root root 256K Feb 9 13:32 DSC_1319.JPG > > Kind regards, > > Jelle de Jong > > On 09/02/17 11:41, Jean-Pierre André wrote: >> Hi, >> >> Jelle de Jong wrote: >>> Hi Jean-Pierre, >>> >>> Thank you! >>> >>> The new plug-in seems to work for now, I am moving it into testing phase >>> with-in our production back-up scripts. >> >> Please wait a few hours, I have found a bug which >> I have fixed. I am currently inserting your data >> into my test base in order to rerun all my tests. >> >>> Will you release the source code eventually, would like to write a blog >>> post about how to add the support. >> >> What exactly do you mean ? If it is about how to >> collect the data in a unsupported condition, it is >> difficult, because unsupported generally means >> unknown territory... >> >>> What do you think the changes are of the plug-in stop working again? >> >> (assuming a typo changes -> chances) >> Your files were in a condition not met before : data >> has been relocated according to a logic I do not fully >> understand. Maybe this is an intermediate step in the >> process of updating the files, anyway this can happen. >> >> The situation I am facing is that I have a single >> example from which it is difficult to derive the rules. >> So yes, the plugin may stop working again. >> >> Note : there are strict consistency checks in the plugin, >> so it is unlikely you read invalid data. Moreover if >> you only mount read-only you cannot damage the deduplicated >> partition. >> >>> We do not have an automatic test running to verify the back-ups at this >>> moment _yet_, so if the plug-in stops working, incremental file-based >>> back-ups with empty files will slowly get in the back-ups this way :| >> >> Usually a deduplicated partition is only used for backups, >> and reading from backups is only for recovering former >> versions of files (on demand). >> >> If you access deduplicated files with no human control, >> you have to insert your own checks in the process. I >> would at least check whether the size of the recovered >> file is the same as the deduplicated one (also grep for >> messages in the syslog). >> >> Regards >> >> Jean-Pierre >> >>> Again thank you for all your help so far! >>> >>> Kind regards, >>> >>> Jelle de Jong >>> >>> >>> On 08/02/17 15:59, Jean-Pierre André wrote: >>>> Hi, >>>> >>>> Can you please make a try with : >>>> http://jp-andre.pagesperso-orange.fr/dedup120-beta.zip >>>> >>>> This is experimental and based on assumptions which have >>>> to be clarified, but it should work in your environment. >>>> >>>> Regards >>>> >>>> Jean-Pierre >> >> > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ ntfs-3g-devel mailing list ntfs-3g-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ntfs-3g-devel
