Here are my findings in relation to what Chris posted: On Nov 15, 2013, at 1:55 PM, Chris Nighswonger <[email protected]> wrote:
> After some further testing this morning and this afternoon, here is what I > find: > > 1. I am able to unzip the files on our Amanda server using the unix 'unzip' > utility, but there are "random" " error: invalid compressed data to inflate" > errors. These do not appear to affect all files, but that is little > consolation. Testing the archive with 'unzip -t foo.zip' shows that probably > a majority of the files are OK, but many throw the same error just mentioned. I believe it may be related to file size. I can not even list the contents of a rather large (~16G) ZIP file. Unizp on my system is compiled with both large file and ZIP64 support. > > 2. Moving the archive to a Win32 box I find that I can browse the archive > using the built-in Windows zip functionality. I am also able to selectively > extract various files and their contents seem to be completely intact as > expected. However, attempting a full extract of the file results in an > "Unexpected end of file" error. My Windows 7 and 8 systems both hang when trying to open the file in Windows Explorer. It's possible it would eventually succeed but I gave up after about 20 minutes. > > 3. Attempting to use 7zip to "open as an archive" results in "Cannot open foo > as an archive" error. Testing the archive with 7zip results in the same error. I have had the same experience. > > It seems that there is a definite issue with ZWC. Its a bit much trouble to > setup a test bed and hunt through prior versions of ZWC to discover if this > is a regression and when it occurred, although I think it is as I have not > noticed this problem when restoring files in the past from Win32 backups. > I'd like to add that the trial version of PKZip seemed to work fine when browsing or extracting individual files, but I have not tried extracting the entire contents of the archive. > Maybe Paddy or someone from Zmanda can jump in here and help scare up what is > going on here. > That would be very appreciated by me as well. Markus > Kind Regards, > Chris > > PS. I did find an old post regarding a similar issue[1]. However, the ZWC > does compression client-side, so I doubt the server hardware has much to do > with it unless one is unzipping on the server and it happens to have some > hardware problem. > > [1] https://forums.zmanda.com/showthread.php?2139-Recovery-failed! > > On Fri, Nov 15, 2013 at 12:41 PM, flooding Controlled > <[email protected]> wrote: > I have the same issue on the "pkzip" files. The latest version amanda 3.3.4 > uses this as default on windows client. > > So it made me difficult to unzip the pkzip files... any suggestions ? Thanks. > > > Regards. > > flooding2012 > --- Markus A. Iturriaga Woelfel, IT Administrator Department of Electrical Engineering and Computer Science University of Tennessee Min H. Kao Building, Suite 424 / 1520 Middle Drive Knoxville, TN 37996-2250 [email protected] / (865) 974-3837 http://twitter.com/UTKEECSIT
