Disk Management Claims there is "Free Space" on Disk 0. Possible to merge it into main drive?

Hello.
Thanks for having the time to read my post.
Recently, I was trying to Dualboot Windows 7 with another OS just to test something out(The Operating system was horrible.)
But anyway, when it was installing that OS, it took over 160 Gb memory out of my main drive and into a seprate drive for that os.
So when I went in Disk Management, I saw a hidden drive saying 160 Gb. I deleted it and now it's says under Disk 0 "159.83 Gb Free Space" in a green box.
I don't know how to merge that memory into my main C drive again.
Thanks.
son588

Hi Son588,
Why is it free space instead of unallocated space? I guess the drive you have deleted is a logical drive in extended partition. You can try to right-click the free space to deleted it again. If there is no partitions, locating between C drive and unallocated
space, you can merge the unallocated space in to C drive with the feature of "Extend Volume" built-in Disk Management. If not, there are two solutions to solve your problem:
Solution1: Backup partitions which locate between C drive and unallcated space, and then delete these partitions. Then merge unallcoated space into C drive with “Extend Volume”.
Solution2: Extend partition with free partition manager software.
Resources:
Free disk and partition backup software: http://www.aomeitech.com/aomei-data-backuper.html
Free partition manager software: http://www.disk-partition.com/free-partition-software.html
i hope it'll help you!

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markov-mac:~ markov$ diskutil list
/dev/disk0
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *121.3 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:          Apple_CoreStorage                         100.3 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
/dev/disk1
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   0:                  Apple_HFS Macintosh HD           *100.0 GB   disk1
markov-mac:~ markov$ diskutil cs list
CoreStorage logical volume groups (1 found)
|
+-- Logical Volume Group 0F0D9268-58FC-4832-8FCB-4A11FB5675F6
    =========================================================
    Name:         Macintosh HD
    Status:       Online
    Size:         100335546368 B (100.3 GB)
    Free Space:   15724544 B (15.7 MB)
    |
    +-< Physical Volume 9B8968BE-CE97-4A66-B5B3-31B4EB87E21F
    |   ----------------------------------------------------
    |   Index:    0
    |   Disk:     disk0s2
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        Encryption Status:       Unlocked
        Encryption Type:         None
        Conversion Status:       NoConversion
        Conversion Direction:    -none-
        Has Encrypted Extents:   No
        Fully Secure:            No
        Passphrase Required:     No
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            Status:                Online
            Size (Total):          99999997952 B (100.0 GB)
            Conversion Progress:   -none-
            Revertible:            No
            LV Name:               Macintosh HD
            Volume Name:           Macintosh HD
            Content Hint:          Apple_HFS
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map -hosts on /net (autofs, nosuid, automounted, nobrowse)
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If you haven't already - try a shutting it down rather than putting it to sleep.
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MacBook Mac OS X (10.4.7) White 2 Ghz.

Doing so does not free up any hard drive space.
Copied from this link.
http://docs.info.apple.com/article.html?path=DiskUtility/10.5/en/duh1010.html
You might see a message saying that you are running out of disk space, but you can ignore that warning. When this operation is complete, you will have the same amount of free space as you did when it started.
For suggestions to free up hard drive space, check this link.
http://www.thexlab.com/faqs/freeingspace.html

How do I fix Your hard disk does not have enough free space?

How do I fix Your hard disk does not have enough free space?

Select the icon of your startup volume ("Macintosh HD," unless you renamed it) in the sidebar of a Finder window, and open the Info window. How much space is Available? Specify gigabytes (GB) or megabytes (MB).

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Hello,
I am facing some issues related to my Time Capsule.
Reviewing my past, I had a lot of backups on this, using Time Machine and it always worked pretty well. But after deleting some backups manually to reclaim disk space, this was not exactly freeing it.
Searching in the forum here, I saw that I could mount the backup sparsebundle image and map it into the Disk Utility. This always worked greatly too both for disk checking and reclaiming the space back.
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If anyone needs more details to help me out of this, just let me know.
Thanks and regards,
Eduardo

Just another thing to add, I'd like a good solution for this as the redo operation from Disk Utility takes around 2 days and then it just "dies".

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Hi
I have a problem with my main Logical Volume Group / Partition. So My main Logical Volume Group (Macintosh HD) was separated into 2 partitions. I decided to delete the second one, and once the process started in Disk Utility, it crashed. Now if I look at the Logical Volume Group, it is separated in two, first one being Macintosh HD, and the second one is greyed out and is "Free Space".
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Thanks

If you wish to delete data, the best option would be to encrypt everything on the drive (locking everything with a password) and then erasing the drive. This would atleast scramble the left over data. The problem is that SSDs have a wear controlling firmware that distribute the load accordingly, so the entire drive wears evenly. Secure erase wouldnt work since secure erase works by first erasing the refrences to the data, and then writing 0s over the left over data. Since the firmware distributes the load differently each time, there is no guarantee that the data would be covered in 0s.

Imac frozen at blue screen after i went into disk utilities and cleaned my free space. I tried holding down T key as it reboots and i get a message. Start up disk full empty it how can one emptie it if you cant get past the blue screen

Imac frozen at blue screen after i went into disk utilities and cleaned free space.
I tried holding down T key as it reboots
and i get a message. Start up disk full empty it how can one emptie it if you cant get past the blue screen?
to make matters worse we bought the IMAC of amazon uk on the 4/07/011 so what can we do?
please remember how frustrating it is when asking for help when the helper telling you to type something on the screen when its frozen
Tell us when you can type some instuctions to the software how do you get to the doss prompt so to speak to do this
Thanks

i tried all this thanks
i can not get past blue screen and message Your disk is full it needs to be emptied Please not I cant proceed past this message.
no matter what you tell me
Am i right ok in thinking that
when i went into disk utilities and chose to clean my free space i left it over one hour to do its stuff
i came back and there was no progress bar just the box so i quit the program and when i opened mac mail the system just froze i forced quit mail rebooted and blue screen death
Now when free space is being cleaned is it the same as windows dose the utility write lots of 0 on the hard drive then rebbot its self to free the space
basicly is my hard drive full of 00000 is this why im getting this message because the process was interupted
I need to know if i need outside help i bought the computer on line on amazon uk what dose one do next

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I tried looking for a file but "find" in finder coldn't seem to locate any files written during that time period.
any direction to recoup the space is greatly appreciated.

OK, thanks guys.
Sometimes the simplest things...
Now if I were at the office working on something on a windoze machine a restart would be the first thing I would try, you have to restart twice a day even if the machine is working properly!
I however, rarely shut down my Mac. Unless there is a thunderstorm or I am going away, or I've performed an update, the machine stays on/sleeps.
Apparently as an "erase free space " is being performed the space is being used as zeroes are written. When I allowed it to complete the space returned. However; the space that was consumed during the aborted try was still not availible.
Only after a restart did the space become shown as being free.
This has been great since I now know of 2 more helper apps. Tinker Tool allows me to see hidden files and change other prefs not availible natively. OmniDiskSweep quickly check file on the HD.
Thanks for your help, and if there were votes still, I'd use them all!
-T

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Hello all,
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For example I have disks a, b, c, d. Each are sized let's say 100GB each.
I create a data group DATA1. With it set to normal redundancy, I start off adding disk a and b to DATA1, and the free space is roughly 100 GB (for example, not accounting for extra taken for overhead).
Now...let's say I add disk d of 100GB more to DATA1, what would happen here? If I were in high redundancy and I had 3x disks, I'd guess I'd have 100GB free space, but, with normal redundancy, what would I get?
One step further, if I added both c and d to DATA1..would my free space available, with mirroring be 200GB or more or less?
Is it better to do two disk groups, say DATA1 and DATA2...with a and b in DATA1, and c and d in DATA2...and use both of them for the database...maybe separate data from indexes....flashback , etc...?
Thanks in advance,
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For normal redundancy the effective (or usable if you like) storage size is approximately the half of the total physical disk size you have added. When you add A and B initially you are introducing 200 GB of physical storage but mirroring will let you to use only 100GB. So if you add C and D together (I assume you will add them into seperate fail groups) your effective size will grow to 200GB in total.
Your question about adding a single disk to a normal redundant diskgroup has a bit wierd answer. SO I will demonstrate it.
SQL> create diskgroup mydgrp normal redundancy failgroup fg1 disk '/dev/sdd' failgroup fg2 disk '/dev/sde';
Diskgroup created.
SQL> alter diskgroup mydgrp add disk '/dev/sdf';
Diskgroup altered.
PATH FAILGROUP
/dev/sdf MYDGRP_0002
/dev/sde FG2
/dev/sdd FG1
6 rows selected.
SQL> select path,free_mb,total_mb-free_mb usage_mb from v$asm_disk;
PATH FREE_MB USAGE_MB
/dev/sdf 1997 51
/dev/sde 1997 51
/dev/sdd 1997 51
6 rows selected.
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There is no problem in having one large DISKGROUP for everything (by large I mean 100 TB+) like datafiles, tempfiles. But for FRA (it is a Best Practice to have one) you should have another diskgroup residing on different physical disks (if possible different storage boxes). 2 should be enough but here are some other cases in which it is advised to create another diskgroup:
- You bought another storage box with a totally different brand or model
- You bought new disks with different sizes so your new LUN sizes differs from the existing ones
- You need another level of redundancy.
Edited by: HSensoy on 15.Oca.2010 17:06

Erasing free space using disk utility

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In Dec I did a complete re-install of Lion, because I was running out of SSD storage...
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Size of free space root disk

Hi
I try to obtain the free space disk of c:\ (under windows NT). I use the class File but i obtain a size of 0 for the drive C:\
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File lecteur = new File("c:\");
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}

Why don't you implement your own code to calculate the full size of the disk?
Windows system itself does a recursive count.
(Which makes the request for a bug not founded since everytime you ask for the size, you would have to wait until the count is done.)
you could do this :
public long diskSize(File root) {
if(root != null && root.isDirectory()) {
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Anthony

Disk Management Claims there is "Free Space" on Disk 0. Possible to merge it into main drive?

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