Time Machine gets stuck on 'Making Backup Disk Available'

This has been happening a few days now. Time machine kicks off a backup but it never gets anywhere. It just keeps spinning and saying 'Making Backup Disk Available'
The log says only:
Starting standard backup
Attempting to mount network destination using URL: afp://[email protected]/Jim's%20Time%20Capsule
Mounted network destination using URL: afp://[email protected]/Jim's%20Time%20Capsule
I tried to use Disk Utility to repair the sparsebundle and although it says it needs to be repaired, when I click repair it quickly says it 'Volume Repair Complete' but then gets stuck on ''Updating Boot Support Partitions for the volume as required'. I left it on all night to see if it would ever finish and it never did.
Where do I go from here?
Thanks

Where do I go from here?
if disk utility can not repair the sparse bundle you can try repairing it with disk warrior or a similar tool. if that does not work either you need to trash the sparse bundle and start backups from scratch. there isn't anything else you can do.
Thanks

Similar Messages

My Time Machine says there is no backup disk available. I've never had any problems with my time machine. I'm not technologically savvy, so if anyone can help, I'd appreciate it!

My Time Machine says there is no backup disk available. I've never had any problems with my time machine completing backups. I was away from house with my laptop for about 9 days so I'm wondering if there is something I need to do now that I'm home to get it working again. I'm not technologically savvy, so if anyone can help, I'd appreciate it!
Thanks,
Jana

You can lose your ability to backup through TM for any number of reasons, but the most common is what happens after a update. If your drive still works, your best approach is to read this:
http://www.chriscolotti.us/technology/how-to-fix-osx-mountain-lion-time-machine/
The attached link contains helpful graphics, so don't worry if you're not tech savvy.

Time capsule stuck on making backup disk available

I read the tread below that should fix this issue:
"What I did was start up disk utility and use it's repair feature on the bundle. The first time, I got an error saying it could not be repaired, but I tried again a couple days later and it seems to have worked.
How to:
1. Disk utility it in the Utilities folder in Applications or use spotlight to find it.
2. You want to repair the sparsebundle that is on the time capsule or external drive. It's at the top level and named something like Liz M's MacBook_123456789abc.sparsebundle.
3. If it doesn't show up on the list in Disk Utility, use Finder to find it and then drag it into the list in the bottom half of the pane.
4. To run the repair, clicke the sparsebundle and then the "Repair Disk" button.
5. The first time I tried, it didn't take long but did repair some key things. The second time, it took 9 hours! But it completed and looks good.
6. If you get an error that it's in use, go to Airport Utility and:
- click on the time capsule on the left
- click "Manual Setup" at the bottom
- click disks icon at the top
- if anyone else is backing up to the time capsule right then (or using the disk for anything else), wait for their backup to finish
- click "Disconnect All Users" at the bottom
- retry the repair disk and it should work; if someone else does backups to the same time capsule, they can continue while you're repairing though it might be slow.
My backups seem to be working just fine now. I have noticed that if you have the sparsebundle mounted in Finder, Time Machine seems to have trouble starting up, so eject it before starting a Time Machine backup.Hope this helps! I typed this on my iPhone which is a bit tedious. And nearly impossible to proofread. So, take care following these instructions and post here if you find a mistake. Thanks. "
My issue is that I can not seem to locate the sparsebundle as stated. In my Disk Utility only my 640G Hitachi hard drive and my DVD reader are listed. Time capsule is ethernet wired with green light on back. Green light on front and the signal dies work but it does not appear to be reading the drive. I turned it off and back on, it did show up as an available drive in system preferences and is switched on but then the System preferences shows "not responding" immediately after trying to open time machine preferences up.
Software up to date, hard drive permissions repaired, stuck.

Bunce wrote:
oh i already did that. Im working on my imac and looking into this on my macbook. Was able to reproduce the issue again by trying to open TM. Locked out the finder again and had to restart. I checked the serial number and it was an early 2009 purchase with no coverage.
If you bought a Mac and got AppleCare with it, within 2 years of buying the TC, the TC is covered, too.
I have to admit that this $500 unit was the first to apparently junk out. The western digital that had my main data on that is my daily external that I store about 2TB of data on is still perfect and the new technology TM appears to already be cashed. Love the computers, not to big of a fan on the externals of the apple TV's. No life expectancy. Neither here nor there.
suggestions before I either get this looked at or scrap the HD on it and move forward.?
Reset the TC. See [Resetting an AirPort Base Station or Time Capsule FAQ|http://support.apple.com/kb/ht3728].
Try a "full reset" of Time Machine, per #A4 in [Time Machine - Troubleshooting|http://web.me.com/pondini/Time_Machine/Troubleshooting.html] (or use the link in *User Tips* at the top of the +Time Machine+ forum).
If all else fails, take it to your local Apple Store or Authorized Repair location, they may be able to determine whether the disk is dead.
If it is, they might replace the TC for you. If not, they won't repair it, but if the electronics are ok, you can replace the HD yourself, if you want to. See http://discussions.apple.com/thread.jspa?threadID=2542983

I set up time capsule using a wireless 4g modem. it's been five hours and it still is saying making backup disk available (4.97 GB of 18.52 GB). Can I stop the whole thing, get a ethernet cable and start over to increase the speed of the backup?

I set up a new time capsule on a wireless 4g modem. I started the initial backup. It's been five hours and it still says "making backup disk available (4.97 GB of 18.52 GB)." Can I stop the whole thing, connect my computer to the time machine using an ethernet cable and start over to increase the speed of the backup?
Thanks,
David

Bunce wrote:
oh i already did that. Im working on my imac and looking into this on my macbook. Was able to reproduce the issue again by trying to open TM. Locked out the finder again and had to restart. I checked the serial number and it was an early 2009 purchase with no coverage.
If you bought a Mac and got AppleCare with it, within 2 years of buying the TC, the TC is covered, too.
I have to admit that this $500 unit was the first to apparently junk out. The western digital that had my main data on that is my daily external that I store about 2TB of data on is still perfect and the new technology TM appears to already be cashed. Love the computers, not to big of a fan on the externals of the apple TV's. No life expectancy. Neither here nor there.
suggestions before I either get this looked at or scrap the HD on it and move forward.?
Reset the TC. See [Resetting an AirPort Base Station or Time Capsule FAQ|http://support.apple.com/kb/ht3728].
Try a "full reset" of Time Machine, per #A4 in [Time Machine - Troubleshooting|http://web.me.com/pondini/Time_Machine/Troubleshooting.html] (or use the link in *User Tips* at the top of the +Time Machine+ forum).
If all else fails, take it to your local Apple Store or Authorized Repair location, they may be able to determine whether the disk is dead.
If it is, they might replace the TC for you. If not, they won't repair it, but if the electronics are ok, you can replace the HD yourself, if you want to. See http://discussions.apple.com/thread.jspa?threadID=2542983

My Time Machine / Time capsule gets the error: The backup disk image could not be mounted

My time machine / time capsule gets the error: The backup disk image could not be mounted.

Reboot the TC.
If you normally have multiple computers backing up, under Lion there seems to be some issues.. you need to force other users off the system. You can do that through the Airport utility, manual setup, disks, disconnect all users. Note carefully if you use Lion you probably need to download the real airport utility.. 5.6 to accomplish anything useful.

Time Machine Backup Error. Time machine could not delete the backup disk image .sparsebundle

Time Machine is giving an error message. Time Machine couldnt complete the backup. I am using the Seagate GoFlex Home. Error message states Time Machine could not delete the backup disk image "/volumes/Go Flex Home Backup/iMAc.sparsebundle". Does anybody have any ideas?

I have deleted all files in the Time Machine backup via Windows, Finder, and GoFlex UI.
I think this is your problem.. you need to follow the exact setup from seagate to get TM running again.. please read the manual... I do not have one but I do have another brand of NAS and setting up TM involves a fairly complex set of instructions.. because it is not a native Apple device.. your computer does not recognise it as TM capable.. you need to use the work around the manual will explain.

"Time Machine could not delete the backup disk"

This morning, I got the "Time Machine must create a new backup for you" message referred to here: http://pondini.org/TM/C13.html
I went ahead and told it "start new backup" but after a few minutes, got this message, ending in error message -1: "Time Machine could not delete the backup disk." It did not reference a sparsebundle file or some other specific file name as I've seen in some other threads, and I haven't been able to find this exact issue anywhere in the forum or on Pondini's page.
I went ahead and told it manually to do a new backup, but I am concerned that it will "lie to me" about the verifiability of the files per Pondini's page above (orange box at the bottom). I'll attempt to force it to manually verify once this backup completes to see what happens, I guess.
I'd appreciate any input.

And now an effort to manually start a backup produces this error: "This backup is too large for the backup disk. The backup requires 233.73 GB but only 188.30 GB are available."

Time Machine getting stuck on random hourly backups?? Please help!

I set up Time Machine the yesterday, it compleated it's initial backup fine, and performed about 10 or so hourly backups, then randomly on one of it's hourly backups it got stuck. It never actually started the backup. The preferences said it was backing up, but the progress bar wasn't moving, and there was no activity on the drive. I stopped the "backup", and from then on I could not get it to do another backup.
So last night I reformatted the external and decided to let TM start over. Once again it finished the initial backup fine, and I went to bed. While I was in bed it finished 3 more hourly backups, and I woke up this morning to find it stuck again, trying to do it's 2:05AM backup. The computer was awake all night, so it should have no problems. The preferences say it is backing up, but never makes any progress, and there is no drive activity.
Here is the relavent errors from my System log:
Nov 1 02:05:50 todd-sullivans-imac /System/Library/CoreServices/backupd[304]: Backup requested by automatic scheduler
Nov 1 02:05:50 todd-sullivans-imac /System/Library/CoreServices/backupd[304]: Starting standard backup
Nov 1 02:05:57 todd-sullivans-imac /System/Library/CoreServices/backupd[304]: Backing up to: /Volumes/Backup/Backups.backupdb
Nov 1 02:05:57 todd-sullivans-imac /System/Library/CoreServices/backupd[304]: Ownership is disabled on the backup destination volume. Enabling.
Nov 1 02:05:57 todd-sullivans-imac KernelEventAgent[35]: tid 00000000 received unknown event (256)
*Nov 1 02:05:59 todd-sullivans-imac /System/Library/CoreServices/backupd[304]: Event store UUIDs don't match for volume  Macintosh HD*
*Nov 1 02:05:59 todd-sullivans-imac /System/Library/CoreServices/backupd[304]: Node requires deep traversal:/ reason:kFSEDBEventFlagMustScanSubDirs|kFSEDBEventFlagReasonEventDBUntrustable|*
Nov 1 02:09:45 todd-sullivans-imac /System/Library/CoreServices/backupd[304]: No pre-backup thinning needed: 14.57 GB requested (including padding), 132.30 GB available
Nov 1 02:09:46 todd-sullivans-imac /System/Library/CoreServices/backupd[304]: MDBackupBegin() returned result (909) > 0, waiting
Nov 1 02:10:16 todd-sullivans-imac /System/Library/CoreServices/backupd[304]: MDBackupBegin() returned result (906) > 0, waiting
Nov 1 02:10:46 todd-sullivans-imac /System/Library/CoreServices/backupd[304]: MDBackupBegin() returned result (906) > 0, waiting
I bolded the entries that I assume are the problem, but I don't know what it could be. Why does it randomly get stuck on hourly backups. BTW The "waiting" is just repeating over and over etc..... Help! Or it's back to CCC for me. Thanks
EDIT: Tried it a 3rd time, and this time it managed to do 25 hourly backups before getting stuck. does anyone have a clue here, I'd like to get this working. Every time it stops working I have to format the drive and start over to get it to backup again.
Message was edited by: tms2010
Message was edited by: tms2010
Message was edited by: tms2010

The deep traversal is being done because something in the TM data base is corrupted or not trusted. The deep traversal means the TM backupd process has to traverse your whole set of volumes being backed up. This is a very lengthy process.
No matter, it does seem you're hitting a snag of some kind. The best response I can give is for you to send the evidence to Apple feedback for the software engineers to review.
People on this forum are unlikely to know what the problem is nor have a fix for you.
When you formatted your TM backup Volume to you zero it out using Disk Utility. You could be running into an unrecoverable disk i/o error - a bad spot on the backup HD or even a bad spot on your internal HD.

What to do when time machine seems stuck on "Preparing Backup"

This issue is happenning on my macbook pro, mid 2010. My drive setup is that I have a partition which I dedicated to time machine backups. The total size of my drive is 500GB, and I partitioned about 100GB for time machine. The reason for that is I only needed a few space since I setup time machine to include only the system and the apps, and NONE of the libraries such as itunes or photos. This means that the only backup will be for the system, profiles, and the app. I have been running this for a few months andhas been doing OK until up to now.
My problem is that my time machine seems to get stuck on "Preparing Backup". The latest backup was done last Nov 8, 2011, whcih is about 11 days from now. I am also aware that the time machine drive has only about 200 mb space left, but I am not worried at all because I've always TM to delete the oldest backup to free up space. My oldest backup was still Sept 8, and I'm ok if that will be deleted.
So I'd like to find out why it still stuck on "Preparing backup" ,and I am wondering if deleting a backup can solve it. Can it? what do I do to solve this?
Also, I use my computer alot , so it is basically running for about 18 hours a day, but still time machine didn't quite work well. I have tried reparing the disk using disk utility, but that didn't help.

Comments inline below.
Pondini wrote:
joshua raphael wrote:
This issue is happenning on my macbook pro, mid 2010. My drive setup is that I have a partition which I dedicated to time machine backups. The total size of my drive is 500GB, and I partitioned about 100GB for time machine. The reason for that is I only needed a few space since I setup time machine to include only the system and the apps, and NONE of the libraries such as itunes or photos.
You may want to revisit that strategy:
A backup on the same drive isn't very secure -- when (not if) the HD fails, you risk losing everything.
In most cases, if there's a problem with OSX the best way to fix it is to just install a fresh version. But you can't do that from that backup.
Indeed!
Backing-up apps that way will also be useless in some cases. 3rd-party apps that came with their own installers put other files in other places (and sometimes "helper" apps as well). Unless you know what and where they all are, and restore them, too, the restored app won't work properly, if at all.
I think you're confusing each other with terminology. iTunes music and iPhoto pictures are NOT "Libraries", which has a specific meaning when it comes to OS X. "Libraries", in OS X normally refers to /Libraries and ~/Libraries folders. This is not where iTunes music and iPhoto pictures are stored. iTunes music and iPhoto pictures are stored within ~/Music and ~/Pictures, respectively.
I have tried reparing the disk using disk utility, but that didn't help.
Disk Utility changed a bit in Lion. When you select an entire disk, it only repairs the partition map, not all the volumes. You must repair each one separately.
Wow, good to know. (What a stupid change to make, for backwards compatibility, if for no other reason!)
See #D1 in Time Machine - Troubleshooting to figure out why the backups are hanging.
Whew. This editor makes it so hard to make comments inline. The key thing when time machine seems stuck is patience. Sometimes it needs to be left to run overnight. Unfortunately, it doesn't log or report it's progress very well.
Opening Time Machine settings in Preferences plus a command like this left running in Terminal.app is how I monitor progress. And even so, there is very little logging indicating progress.
sudo tail -f /Volumes/Time Machine/Backups.backupdb/My\ Computer/2012-07-11-133352.inProgress/.Backup.363731632.496216.log
The parts in italics will need to be adjusted. Tab completion makes this easy, e.g type
sudo tail -f /Volumes/
and hit tab, type the first few letters of the relevant volume name, hit tab...
Also, I have a hypothesis which needs testing.
I know that Time Machine gets confused if one deletes large files from a backup - specifically, Time Machine doesn't recognize that the size of the backup has changed.
I know because this made restoring a thinned out time machine backup ("thinned out" by deleting files from within the GUI while inside the Time Machine) to a small SSD harder than it should have been. I had to restore to a big disk and then clone that volume to the SSD - even though the SSD had enough space, Time Machine didn't think so; it didn't "understand" that it had been thinned.
My hypothesis is that Time Machine also gets confused if the Time Machine partition is resized. I shrunk a Time Machine partition (no it wasn't on my main disk!) and about that time, Time Machine stopped working. After thinning the volume, it started working again.

Time Machine gets stuck on cleaning up

Hi, I can't complete a back up successfully with Time Machine. I get stuck on the 'cleaning up' phase and then it stays there forever. I actually went to work and when I came home it was still in the same state. Then I can't stop the back-up cleanly. I have to go in to Activity Monitor to force quit.
Following the advice on pondini.org I have installed the Buddy widget. It tells me that....
Starting standard backup
Network destination already mounted at: /Volumes/Data
Failed to attach to image: /Volumes/Data/gemzap_001f5bed6067.sparsebundle, DIHLDiskImageAttach returned: 35
Disk image /Volumes/Data/gemzap_001f5bed6067.sparsebundle mounted at: /Volumes/Backup of gemzap
Backing up to: /Volumes/Backup of gemzap/Backups.backupdb
Event store UUIDs don't match for volume: Macintosh HD
Node requires deep traversal:/ reason:must scan subdirs|new event db|
Node requires deep traversal:/Users/gemzap/Pictures/iPhoto Library reason:contains changes|must scan subdirs|found in deep scan|missed reservation|
Following advice on here, I have also done a verify/repair disk on both my macbook and the time capsule external drive. Both reported to be ok.
Any ideas? Any help would be much appreciated!
Many thanks
gemzap

No luck I'm afraid.... I dismounted (then completely unplugged) the time capsule. Then reconnected, clicked in to the timecapsule drive to make sure it wasn't napping, and tried again. The messages on the time machine read as follows..
22:25 Making back up disk available
Calculating changes
22:27 Scanning 800,713 items
Preparing xxx items
22:58 Cleaning up - for 8 hours.
So at 7am this morning I clicked stop back up. But again that hasn't don't anything, so have just done a force quit in Activity Monitor.
Time Machine buddy says...
Starting standard backup
Attempting to mount network destination using URL: afp://Gemma%[email protected]/Data
Mounted network destination using URL: afp://Gemma%[email protected]/Data
QUICKCHECK ONLY; FILESYSTEM CLEAN
Disk image /Volumes/Data-1/gemzap_001f5bed6067.sparsebundle mounted at: /Volumes/Backup of gemzap
Backing up to: /Volumes/Backup of gemzap/Backups.backupdb
Event store UUIDs don't match for volume: Macintosh HD
Node requires deep traversal:/Users/gemzap/Pictures/iPhoto Library reason:must scan subdirs|missed reservation|
Node requires deep traversal:/ reason:must scan subdirs|new event db|
I'm at a loss.
Should I try deleting the gemzap_001f5bed6067.sparsebundle file? Could that help?
Many thanks
gemzap

Time machine gets stuck on indexing

Since the last weeks my time machine will not backup anymore..
I have searched around but couldn't find out what will fix it..
This is what the module had to say:
Starting standard backup
Attempting to mount network destination using URL: afp://admin@TM_Twan.local/MyShare
Mounted network destination using URL: afp://admin@TM_Twan.local/MyShare
Warning: Destination /Volumes/MyShare does not support TM Lock Stealing
Warning: Destination /Volumes/MyShare does not support Server Reply Cache
QUICKCHECK ONLY; FILESYSTEM CLEAN
Disk image /Volumes/MyShare/MacBook Pro van Antoine van der Lee.sparsebundle mounted at: /Volumes/Time Machine-reservekopieën
Backing up to: /Volumes/Time Machine-reservekopieën/Backups.backupdb
Event store UUIDs don't match for volume: Macintosh HD
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (101)
Waiting for index to be ready (101)
Waiting for index to be ready (101)
Waiting for index to be ready (101)
Waiting for index to be ready (101)
Waiting for index to be ready (101)
Waiting for index to be ready (101)
Waiting for index to be ready (101)
Waiting for index to be ready (101)
I hope you guys can help me..
Kind regards,
Twan

AJvanderLee wrote:
There was only one thing i could not do, i could not repair my backups, because they didn't appear in the disk utility..
What are you backing-up to? If you can see the +sparse bundle+ your backups are in via the Finder, use the instructions in #A5 for repairing the backups on a Time Capsule. If you can't see it, you can't repair them with DIsk Utility (or most 3rd-party disk repair apps). Check with the maker of the NAS for help.
Further, i thought it would be something with the message "Event store UUIDs don't match for volume: Macintosh HD"
That's normal after a failed/cancelled backup, and will be repeated each time until one completes successfully. See #A6 in Troubleshooting for details.
Besides, my spotlight is now indexing my harddisk and seems to get stuck on "calculating time for indexing"
This is because i excluded my harddisk from spotlight, restarted my mac and then included my harddisk again for spotlight. So it needed to reindex it, but i'm not sure that it will work, because it allready toke the whole day for it and is still saying the same thing..
That sounds like a problem with a file or the directory structure on your internal HD. Did you verify your internal HD, per #3 in the green box? If so, and if it says it's ok, exclude your internal HD from Spotlight indexing until you get your backups working; then you can figure out what's wrong with Spotlight.

Time Capsule gets stuck at "Preparing Backup..." every time.

This has been happening for about two months now. I was sure 10.5.5 would fix the problem, but it still occurs. My Time Capsule seems to not work any more - it gets stuck "Preparing Backup..." permanently. I have left it running for two days straight and it makes no visible progress. Any ideas? I don't even know where to start.

Jeffrey,
Consider these factors regarding an extended period of "Preparing...":
*Recent Crash or Other Major System Event* (Deep Traversal)
The reasons for this process are described in an article by George Schreyer. “During the preparation step it checks the FSEvents log for consistency. If it determines that something isn't quite right it has to rescan the whole disk. This can take quite awhile. A full rescan is always triggered by a crash, an unplanned shut down event or by booting from some other bootable disk between backups…. After a crash, Time Machine must scan the whole disk to determine what it has to do because it cannot trust the information that it left behind. Connected via an Ethernet connection, this phase would typically take 20 minutes on an older PowerBook. Being connected wirelessly stretches this phase out to over 3 hours.” [http://www.girr.org/mac_stuff/backups.html]
According to the following KB article it can sometimes take a very long time if Time Machine begins this “deep traversal” and has to compare data inventories. This may apply to your situation, particularly if many Gigs of data are involved. (http://support.apple.com/kb/TS1516)
*Software Updates*
Installing new software, upgrading existing software, or updating Mac OS X system software can created major changes in the structure of your directories. Time Machine will backup every file that has changed since the installation.
*Anti-Virus Software*
Running anti-virus software can interfere with the backup process. Either disable it altogether, or try the suggestion outlined here, “If you use third-party anti-virus scanning software and have issues, make sure your Time Machine back up folder (Backups.backupdb on the Time Machine disk) is excluded from virus scanning.” (http://support.apple.com/kb/TS1516)
*Stalled .inProgress Files:*
It may be that the previous backup attempt was ungracefully interrupted leaving remains that Time Machine can’t deal with.
Open your Time Machine drive.
Open the folder labeled “Backups,backupdb”.
Now open the folder containing backups of the computer in question.
Are there any “.inProgress” files there. Delete them.
(For Time Capsule Users)
Select the TC in the SideBar of the Finder window.
Click "Connect as...". Enter your TCs password.
Double click the blue folder that appears in the finder window. The sparsebundle should now be visible.
Double click the sparsebundle and then click “Skip” in the checksum message.
Once “Backup of (Users Computer)” mounts in the Sidebar, click on it and open the “.backupdb” folder. Now open the folder containing backups of the computer in question.
Are there any “.inProgress” files there. Delete them.
Unmount the sparsebundle, then unmount the TC, and try backing up again.
Let us know if any of the suggestions above helped.

Time Machine no longer finds the backup disk

Time Machine running smoothly for the past 6 months. Then had an error that the "......sparsebundle" was in use by another user. So, went into Time Machine preferences, removed the Backup Disk I had been using. Also renamed the hard drive on my laptop (which shouldn't have anything to do with this issue). Now, wehn I go into Time Machine preferences, no disks are available. The disk that I had been using is online with no issues, I can connect to it from my laptop no problem (it is connected physically to my Mini). Can't figure out a way to get TIme Machine to recognize that its there (it's a Seagate drive). Ideas?

Backing up to a third-party NAS with Time Machine is risky, and unacceptably risky if it's your only backup. This is an example of what can happen.
If you want network backup with Time Machine, use as the destination either an Apple Time Capsule or an external hard drive connected to another Mac or a mini-tower (802.11ac) AirPort base station. Only the 802.11ac base station supports Time Machine, not any previous model.

Since upgrading to Mavericks, my Time Machine is stuck on "Preparing Backup".

Since upgrading to Mavericks, every time I attempt to run a Time Machine backup, I can only get it to go as far as "Preparing Backup". I've left it like that for hours just to see if it's slow. I've also stopped and restarted Time Machine multiple times to no avail....it just gets stuck at that point. Please help.

Since upgrading to Mavericks, every time I attempt to run a Time Machine backup, I can only get it to go as far as "Preparing Backup". I've left it like that for hours just to see if it's slow. I've also stopped and restarted Time Machine multiple times to no avail....it just gets stuck at that point. Please help.

Time machine can't access the backup disk ''time machine backup'' on WD My Cloud, Time machine can't access the backup disk ''time machine backup'' on WD My Cloud?

Every time I try to start my Mac's time Machine receive above message and it seems no possible to reopen/start properly the application.
What is error OSS 2?

WD Back up connection problems for Networked WD hard drive
“Connection failed”
“Can not find server”
“There was a problem connecting to the server “WD ShareSpace-Backup”.”
There may be two problems and associated solutions:
Read only access
It may be necessary to “create” a disk for the WD back up.
Change Read Only Access
The WD hard drive may automatically create a share for the Time Machine. This share appears in Finder as “WD_Backup”
If you open WD interface through a web browser and go to
Advanced Mode > Users>Folder Share permissions
You will see it as “back up” or similar.
As indicated by others click on the icon on the far left – a pencil and paper – and change the “NFS Access” from “Read Only” to “Full Access”
For Networked back up dives it may be necessary to “create” a disk for the WD back up.
The WD hard drive may automatically create a share for the Time Machine. This share appears in Finder as “WD_Backup”
The password is “backup”, although others have suggested it is sometimes “admin”
If when you open “Time Machine” and “Select Disk” time Machine says it “can not find…” or “can not connect to…” the server/disk it may be necessary to “create”, ”map”, or manually force your mac to connect to the “WD_Backup” folder share.
To do this
Open Finder
Select GO>Connect to Server
In the box at the top enter the IP address for your WD drive. You can find this in the top of your web browser or through your web browser interface with your WD Drive:
Advanced Mode >Network>LAN
The IP address will probably be in the format
“192.168.0.X” where “X” is a number particular to your network
In my case X used to be 2 but then changed to 3 – I don’t know why.
Click “Connect” and enter the Name and password
Name: “WD_Backup”
Password: “backup”
Click “registered user” and click “connect”
Click the “+” button to add the server to the list in the lower box.
Now open “Time Machine”
Click “Select Disk”
Your new “disk” / Folder share should appear in the list with the IP address below it thus:
WD_Backup
On “192.168.0.X”
As in the screen shot below.
Select this disk by clicking on the disk and then on “use disk”.
You should now be away………….

Time Machine gets stuck on 'Making Backup Disk Available'

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