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Forum Discussion
Missing sparse bundle?!?
I've been using my Pioneer to backup my Mac Mini using Time Machine for a few months now. I think this support is awesome. But I'm afraid you are going to tell me there is a nasty bug...
I just did a clean upgrade on my Mac to Lion. I then connected to the AFP view of my ReadyNAS as the Time Machine user, i.e. as ReadyNAS. There I went and renamed the 'myhostname' sparse bundle to 'myhostname (running Snow Leopard)' . I then went into the TM control selected my ReadyNAS as the drive and enabled TM.
What I expected was I would have an old TM sparse bundle with my 10.6 backups that would remain untouched until I decided to delete it, and a new bundle with the 10.7 time line. However, to my surprise, the 'myhostname (running Snow Leopard)' sparse bundle is gone!?! And I have a strong suspicion that you are going to tell me that it is really gone, not just moved to someplace completely unexpected.
Please tell me my suspicions are completely unfounded.
I just did a clean upgrade on my Mac to Lion. I then connected to the AFP view of my ReadyNAS as the Time Machine user, i.e. as ReadyNAS. There I went and renamed the 'myhostname' sparse bundle to 'myhostname (running Snow Leopard)' . I then went into the TM control selected my ReadyNAS as the drive and enabled TM.
What I expected was I would have an old TM sparse bundle with my 10.6 backups that would remain untouched until I decided to delete it, and a new bundle with the 10.7 time line. However, to my surprise, the 'myhostname (running Snow Leopard)' sparse bundle is gone!?! And I have a strong suspicion that you are going to tell me that it is really gone, not just moved to someplace completely unexpected.
Please tell me my suspicions are completely unfounded.
4 Replies
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- What do you see in the ReadyNAS (TM) share? And what specifically do you mean by "clean upgrade on my Mac to Lion"?
Presuming you do have a sparsebundle in the share, if you mount that do you see older backups than those performed since your upgrade to Lion? - Hmmm... this isn't as bad as I was expecting. The file 'afp://my_nas (AFP)._afpovertcp._tcp.local/ReadyNAS/myhostname (running Snow Leopard)' is gone, but browsing 'afp://my_nas (AFP)._afpovertcp._tcp.local/ReadyNAS/myhostname' shows me that nothing was lost. I thought I could have two bundles, one before the new install and one after. I want this because it is my understanding that sooner or later Time Machine will throw away the oldest stuff in the timeline.'
By "clean upgrade on my Mac to Lion" I mean I had OS X 10.6 installed on a RAID set. I secure deleted everything on that RAID set, then broke the set into it's parts and installed Lion from a bootable thumb drive onto one of the drives from the original set (no longer doing RAID because Lion doesn't seem to like RAID for the boot drive).
So things aren't nearly as bad as I thought they were. Nothing seems to actually have been lost. Is there a way I can do the following:
1) copy the current bundle someplace else for achival purposes (I suspect the answer here is just drag&drop to another share)
2) remove the last/top/most recent backup from the copy
Thanks. - Be aware that OSX does not reference files by name, but by a "Catalog Node ID" - effectively an ID number.
This way if a file is moved within the file system or *renamed*, as the ID does not change it will still be properly referenced by any applications that use that file. The AFP service on the ReadyNAS replicates this functionality for network shares - maintaining a hidden CNID database in the root of the share- and so it appears that via this TM reused the same sparse bundle as before.
The only way to prevent this in future is to move the relevant data/file/sparsebundle to a separate share as there is one CNID database per share and so moving the data to a new share would remove all references to it from the original share
As for removing the last backup from a copy of the sparse bundle - there is little point as the sparse bundle will have increased size to accommodate the backup - removing that does not cause the sparse bundle to shrink - Tricksy it is. Well, at least I didn't actually loose anything.
Thanks for your help and the information.
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