Shirt Pocket Discussions - sparse bundle error

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sparse bundle error

I've upgraded to 2.6.1 and am trying to take advantage of the save to sparse bundle option. I'm running Snow Leopard. Unfortunately, I get the following error when I try to mount:

hdiutil: create failed - Operation not supported

Trying to save instead to a sparse image works fine. I'm backing up to a D-Link NAS (DNS-321) with EXT2 file system. Is the sparse bundle image incompatible with EXT2 or should I look elsewhere for the problem? Any ideas? Thanks.

I'm getting a similar error:

Code:

| 08:12:42 PM | Info | ......COMMAND => Preparing MBP

| 08:14:25 PM | Info |       hdiutil: create failed - Operation not supported

| 08:14:25 PM | Error | ****FAILED****: result=256 errno=22 (Unknown error: 0)

Buffalo LS-WSGL/R1 XFS

That's a permissions error, possibly caused by SD! not setting a permission that's compatible with the filesystem you're storing the sparse bundles on. If you run ls -dl /path/to/file.sparsebundle in a Terminal shell and post the output here I can see what OS X thinks the permissions are.

A workaround might be to manually adjust the permission, manually mount the sparse bundle volume, then select the mounted volume as the SD! copy target. If you try that be careful not to reselect the sparse bundle filename as the target again because SD! might recreate it because of the permission problem.

can do, however I do not know how to specify the path correctly.

the NAS is named LINKSTATION and the share is called Backup. Not sure what I need to do in terminal to display the information you request for a remote drive. I'll play around and see what I can come up with for now.

I'm not familiar with the NAS naming conventions, but maybe the pathname to the sparse bundle would be something like:

/Volumes/Backup/file.sparsebundle

If you can't figure it out someone else with more direct experience can give you more step-by-step help. In any case I'm sure Shirt Pocket will have a fix for it (if possible) relatively soon.

That worked

there is no file in the directly as SD! can't create, but here is the output you asked for:

Code:

drwx------ 1 djc staff 16384 Aug 30 21:10 /volumes/backup

Thanks for your help!

The permissions at that level looks fine.

I doubt it matters for this, but if you run File > Get Info (Command-I) on the /Volume/Backup volume in Finder is "Enable ownership on the volume" under the bottom Sharing & Permissions section checked or unchecked?

Next I'd run find /Volumes/Backup -name '*.sparsebundle' in a Terminal shell to find the .sparsebundle pathname(s), e.g.:

Code:

% find /Volumes/Backup -name '*.sparsebundle'

/Volumes/Backup/eMac/Macintosh HD@lovelight.sparsebundle

/Volumes/Backup/iMac/Media@halo.sparsebundle

/Volumes/Backup/iMac/Users@halo.sparsebundle

After you've found one that's causing SD! trouble you can run ls -dl /Volume/Backup/path/to/file.sparsebundle to view its permissions. And if you open the folder it's in then try opening the actual .sparsebundle (by double-clicking it) you'll get an error if it's a permissions problem (like I suspect).

Sorry I don't have an instant answer/solution. The info I'm asking for helps analyze and understand the cause of the problem before moving further.

Are you able to create a sparse bundle on that volume with Disk Utility?

Quote:

Originally Posted by sjk (Post 26414)

I don't see that. This is what is shows in GetInfo:

http://img408.imageshack.us/img408/7...ure1lml.th.png

Quote:

Originally Posted by sjk (Post 26414)

Next I'd run find /Volumes/Backup -name '*.sparsebundle' in a Terminal shell to find the .sparsebundle pathname(s), e.g.:

Code:

% find /Volumes/Backup -name '*.sparsebundle'

/Volumes/Backup/eMac/Macintosh HD@lovelight.sparsebundle

/Volumes/Backup/iMac/Media@halo.sparsebundle

/Volumes/Backup/iMac/Users@halo.sparsebundle

SD! isn't creating any sparsebundles at all, almost as if it doesn't have permission to do so, but it should. The backup folder is empty, short of a trashbox.

Quote:

Originally Posted by dnanian (Post 26416)

Are you able to create a sparse bundle on that volume with Disk Utility?

No. Interesting...

http://img33.imageshack.us/img33/817...ure1mct.th.png

Right. That's the problem. When you fix it so you can create a sparse bundle with Disk Utility, SuperDuper! will work too...

Could it be that volume isn't being shared with enough permission?

Not sure why that is. I can create a sparsebundle on my desktop then drag it to 'Backup' and it copies just fine...

?

Quote:

I can create a sparsebundle on my desktop then drag it to 'Backup' and it copies just fine...

That's because when it's created on Desktop it has enough permission to be copied to /Volumes/Backup, but that volume itself doesn't have enough permission for the sparse bundle to be created directly on it.

If you run this command in a Terminal shell:

sudo touch /Volumes/Backup/deleteme

… my guess is it'll return this error:

touch: /Volumes/Backup/deleteme: Permission denied

I don't know what to suggest so authenticated apps like SD! and Disk Utility will have the access they need to it; sorry.