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Jim Beck

Joined: 12 Feb 2007
Posts: 10

 Posted: Mon Mar 12, 2007 7:23 am    Post subject: Is there a file length limit when backing up on JABACK7? Hello everyone, Can you tell me if there is a file length limit, eg. 255 chars including directories, for example, when backing up a directory structure with sub-directories, nested to about 6 levels deep. I was taking a backup using JABACK7 and then did a restore from the zip file, to verify the files. I have found some files missing, and they seem to have a long directory structure in common. Could you tell me if there is a limitation that you are aware of. I am running on Windows 2000 server
Robert

Joined: 25 May 2006
Posts: 1140

 Posted: Mon Mar 12, 2007 8:41 am    Post subject: that is a good one.. I dont believe we have tested or come accross this issue before. Can you check the exact length of a filepath that fails, and post it here..
Jim Beck

Joined: 12 Feb 2007
Posts: 10

Robert

Joined: 25 May 2006
Posts: 1140

 Posted: Wed Mar 14, 2007 9:43 am    Post subject: Seems like this is a windows path length issue. I tried a simple mkdir from msdos and it failed for longer path lengths.. seems like it could be 256 chars.. This worked C:\junk>mkdir common\dotnetnuke\modules\webwarehouse\WWStore_02.00.03_Source\DotNetNukeStore\Providers\AddressProviders\DefaultAddressProvider\Providers\SqlDataProvider\bin\Debug\test1\test2\test3\test4\test5\test6\test7\test8\test9\test1\test2\test3 this did not work C:\junk>mkdir common\dotnetnuke\modules\webwarehouse\WWStore_02.00.03_Source\DotNetNukeStore\Providers\AddressProviders\DefaultAddressProvider\Providers\SqlDataProvider\bin\Debug\test1\test2\test3\test4\test5\test6\test7\test8\test9\test1\test2\test3\test4\test5\test6 The error was: The full path of common\dotnetnuke\modules\webwarehouse\WWStore_02.00.03_Source\DotNetNukeStore\Providers\AddressProviders\DefaultAddressProvider\Providers\SqlDataProvider\bin\Debug\test1\test2\test3\test4\test5\test6\test7\test8\test9\test1\test2\test3\test4\test5\test6 is too long.
Jim Beck

Joined: 12 Feb 2007
Posts: 10

 Posted: Wed Mar 21, 2007 2:21 am    Post subject: Now that I have discovered the file length limit is 258 characters, I have 2 further questions to ask when using Jaback7. 1. Can I set an alert, so that when this happens I am aware of it, as I just happened to notice it as part of my testing, when I checked the restore against the backup. 2. I have also noticed that empty directories on the source, do not seem to be backed up, as they are not in my restore. I would have thought they would need to exist, as they may be required, so can I set the software to include empty directories, when taking a backup.
Robert

Joined: 25 May 2006
Posts: 1140

 Posted: Wed Mar 21, 2007 12:19 pm    Post subject: did the zip task give any error when this occurred? was the zip task exit code > 0 when this happened? If yes, one way would be to set an email notification profile for this task and email yourself when this zip task exit code >0 Zip entries list by files, and I do not think it can stuff an empty directory path into the ZIP entry list without an actual file.
Jim Beck

Joined: 12 Feb 2007
Posts: 10

 Posted: Fri Mar 23, 2007 5:15 am    Post subject: The job ran successfully, ie the task exit code was zero, because I am using the exit code value to send me different emails. This is why I hope there is something I can use to let me know when the long filepath/empty directory. As a point of interest, I tried to Winzip an empty three level directory, test/empty/something/ and it created an empty Winzip file file, which show the directories under the properties and viewed in Folders(explorer style) but I couldn't get it to restore.....yet
melvin

Joined: 25 May 2006
Posts: 595
Location: Santa Barbara, california

 Posted: Sun Mar 25, 2007 10:42 am    Post subject: 1) is your long path on windows or unix? I could not even create a new folder to test on windows XP when the path is big. I get the following error: Unable to create new folder 'test' The specified path is invalid. 2) On my winzip 9.x, it cannot zip empty folders.. I get an empty zip file with no entries.
Jim Beck

Joined: 12 Feb 2007
Posts: 10

 Posted: Mon Mar 26, 2007 3:42 am    Post subject: The operating system is Windows 2000 server. An example of a long filepath/name is as shown below, which is 263 chars long:- D:\webshare\common\dotnetnuke\modules\webwarehouse\WWStore_02.00.03_Source\DotNetNukeStore\Providers\AddressProviders\DefaultAddressProvider\Providers\SqlDataProvider\bin\Debug\DotNetNuke.Modules.Store.Providers.Address.DefaultAddressProvider.SqlDataProvider.pdb The thing I don't understand is how I can have a filepath this long if it is invalid
Robert

Joined: 25 May 2006
Posts: 1140

 Posted: Wed Mar 28, 2007 10:21 am    Post subject: It seems like a frontpage created path? maybe it can be done via frontpage but not manually through windows explorer.. or was this path on a linux/unix webserver and copied over?
Jim Beck

Joined: 12 Feb 2007
Posts: 10

 Posted: Thu Mar 29, 2007 12:19 am    Post subject: The file was created via dotnetnuke, which is a software package that sits on top of ASP.NET and SQL server, running on a Windows platform. (You can find out about the package at http://www.dotnetnuke.com/ if you really want )
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