How do I partition my huge 1 TB Sata Disk?

I have an iMac 27-inch, Mid 2011 and on Maverick OS X 10.9

You need a backup drive, not partition your internal drive.
Basic Backup
For some people Time Machine will be more than adequate. Time Machine is part of OS X. There are two components:
1. A Time Machine preferences panel as part of System Preferences;
2. A Time Machine application located in the Applications folder. It is
     used to manage backups and to restore backups. Time Machine
     requires a backup drive that is at least twice the capacity of the
     drive being backed up.
Alternatively, get an external drive at least equal in size to the internal hard drive and make (and maintain) a bootable clone/backup. You can make a bootable clone using the Restore option of Disk Utility. You can also make and maintain clones with good backup software. My personal recommendations are (order is not significant):
1. Carbon Copy Cloner
2. Get Backup
3. Deja Vu
4. SuperDuper!
5. Synk Pro
6. Tri-Backup
Visit The XLab FAQs and read the FAQ on backup and restore. Also read How to Back Up and Restore Your Files. For help with using Time Machine visit Pondini's Time Machine FAQ for help with all things Time Machine.
Although you can buy a complete external drive system, you can also put one together if you are so inclined. It's relatively easy and only requires a Phillips head screwdriver (typically.) You can purchase hard drives separately. This gives you an opportunity to shop for the best prices on a hard drive of your choice. Reliable brands include Seagate, Hitachi, Western Digital, Toshiba, and Fujitsu. You can find reviews and benchmarks on many drives at Storage Review.
Enclosures for FireWire and USB are readily available. You can find only FireWire enclosures, only USB enclosures, and enclosures that feature multiple ports. I would stress getting enclosures that use the Oxford chipsets especially for Firewire drives (911, 921, 922, for example.) You can find enclosures at places such as;
1. Cool Drives
2. OWC
3. WiebeTech
4. Firewire Direct
5. California Drives
6. NewEgg
All you need do is remove a case cover, mount the hard drive in the enclosure and connect the cables, then re-attach the case cover. Usually the only tool required is a small or medium Phillips screwdriver.

Similar Messages

How Do I partition an external hard drive using disk utility?

I have a 500 GB external hard drive that I want to set up so that half the space is for Time Machine backup and the other half as a simple flash drive that will be compatible with all types of computer operating systems?

A terrible idea. Never use a backup drive for anything but a backup drive. Get another drive for experimenting.
You can partition an external drive no differently than an internal drive.
Drive Preparation
1. Open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions desired from the drop down. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Security button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
Steps 4-6 are optional but should be used on a drive that has never been formatted before, if the format type is not Mac OS Extended, if the partition scheme has been changed, or if a different operating system (not OS X) has been installed on the drive.

How do I partition an external HD without formatting it or deleting data on it?

I'm using OSX Lion and have an external HD, which is about 40% full. I'd like to add a partition without reformatting it or deleting data if that's possible.
Anyone know how to do this? I've opened up Disk Utility and clicked on the Partition tab and have tried to use the re-size corner to change the size of the current partition, but it is greyed out and I can't sem to get it to work.
Any thoughts on how do to this? Right now my drive is one big partition. I'd like to divide it into two partitions, again, without deleting data if I can avoid it.
Thanks!

John C Lin wrote:
I'm using OSX Lion and have an external HD, which is about 40% full. I'd like to add a partition without reformatting it or deleting data if that's possible.
Very possible. However, requires that the HD's formatted as OS X Extended, has the GUID partitioning scheme, and has journaling enabled. If those conditions are met, Disk Utility will do it.

How do i partition external hard drive using mac

how do i partition my external hard drive on mac? can i use it as time machine disk as well as external drive?

You can use an external disk for store files and for Time Machine, but you have to create a second volume.
To create volumes on the external disk, use Disk Utility. See > http://pondini.org/OSX/DU3.html I recommend you to put as much space as you can for the Time Machine volume, because backups consume a lot and Time Machine starts deleting backups when the external disk is full

How can i reformat my harddrive using the recovery disk stored in partition drive?

hi guys! i need help. i need to reformat my harddrive and i will do this for the first time. however, i was not ablt to make the recovery disk since i purchased the tx2 1275dx laptop last july 2009. what i have is a recovery disk stored in a partition harddrive. how can i reformat my cpmputer using the recovery disk in partition harddrive? my OS is windows vista. thank you...

Hi,
Shutdown the notebook. Tap away at f11 as you start to access Recovery Manager which you can then use to reinstall the Operating System.
Regards,
DP-K
****Click the White thumb to say thanks****
****Please mark Accept As Solution if it solves your problem****
****I don't work for HP****
Microsoft MVP - Windows Experience

HT201250 How do I partition my Time Machine back up drive (G-Drive) to back up both my IMac and my MacBook Air?

How do I partition my Time Machine back up drive (G-Drive) to back up both my IMac and my MacBook Air?

That's not needed, but if you want to do it, use the Disk Utility in the /Applications/Utilities/ folder to create a new partition.
(70423)

How do i partition a hard drive

How do I partition an external "my Passport" hard drive that I have already formatted for pc use so that I can use it with my MB Pro?

Select the Desktop icon of the drive. Press COMMAND-I to open the Get Info window. In the top panel you should see displayed something like this:
Look to see what's displayed for Format.

How do I partition my MacBook Pro so I can keep Snow Leopard and also install Mountain Lion?

How do I partition my MacBook Pro so I can keep Snow Leopard and also install Mountain Lion?
I want to install the latest OS, but I already know that I will lose a lot of my software unless I can partition the hard drive and have two "bootable" drives.
How do I retain everything I have, partition the drive, then reloa the software I own according to which OS it will work under?

msmedia wrote:
I do not currently own OS X ML.
I am currently running OS X (10.6.8 Snow Leopard) on my MacBook Pro. It has a 2.8GHz Intel Core 2 Duo Processor. I want to upgrade to Mountain Lion, but many of my software titles will not operate with ML and I cannot afford to replace some of them (Adobe Creative Suite, for e.g.)
After I back-up my HD and then partition the HD, how do I use the back-up to reinstall what I want to the SL partition, and then place the rest on the ML partition.
I have not done what you want to do, so can only offer some general thoughts in support. Take value from the following where you can. No guarantees.
If it was me, I would use a disk clone utility (e.g. Carbon Copy Cloner) to image the existing Snow Leopard disk to an external drive. Then verify that the external drive would boot and run Snow Leopard normally.
I would then purchase and download the Mountain Lion upgrade installer, but not run it. Use Lion Diskmaker to make a bootable USB stick, and perform a clean install of Mountain Lion, replacing the Snow Leopard on your MBP. This way, you make absolutely certain that no third-party drivers or other SL cruft remains to make Mountain Lion unstable. Update to latest ML point release. Fix permissions. Let TimeMachine make a full backup of your ML installation to a different external drive. Then turn of Time Machine.
In Disk Utility, use the + sign at the bottom of the ML partition to add another GUID, HFS+ Journaled partition for Snow Leopard. Resize to taste. Name it differently from your ML partition. Exhale.
Now ideally, you would like to reverse the external clone and put it back into the new SL partition. Then fix permissions. And demonstrate that you can boot into individually stable OS X installations. This would save you alot of work. Resist copying your home directory into ML just yet.
If you cannot successfully achieve the preceding paragraph, you will be faced with a full SL and application reinstall.
The ~/Library contents for SL and ML are sufficiently different that you do not want to mix them. You may want to salvage Safari bookmarks.plist. And, ML created folders in the home directory may have different permissions or ACL settings than in SL. So, my rule of thumb would be to copy folders that you created in SL, and only the contents of matching named OS created folders such as Music, Pictures, Downloads, etc.
For each operating system, you probably want the Time Machine settings to exclude the opposite OS X partition. If you use the same host name in Sharing prefs, then you will mix SL and ML backups on the same Time Machine back up drive. If you use different host names, they will be distinct folders in the Time Machine backups.backupdb and allow discrete restores per host. You may also want to gag Spotlight from indexing the opposite OS X partition.

How can I partition my external hard drive supporting mac OS in one partition and windows OS in another?

Hello everyone, how can I partition my external hard drive supporting mac OS in one partition and windows OS in another?

OK. Start with:
1. Open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to two (2). Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed.
4. Click on the Erase tab in DU's main window. Select one of the two partitions, preferably the first one, change the Format type: to MSDOS then click on the Erase button.

How do I partition my external hard drive without losing data?

How do I partition my external hard drive without losing the data already on it? I've been using it with Time Machine on my old computer, but want to use it as a regular drag-and-drop type back up on my new computer. Is there any way to basically split the hard drive so I can still access the Time Machine backups on my old computer, but also be able to use it with my new mac? Thanks!

If you reformat the drive all data is lost.
The only way to save the data is to copy it somewhere else during the reformat.
Drag & drop will not backup things correctly.
I suggest you set up partition for each Mac and then point Time Machine to each of the partition for each of the Macs.

How do i partition using multi-disk install?

i've bought new hard drives for my ol' dual 800 quicksilver G4. it came with os9 and osX. i'm trying to restore using the original multi-restore disks that came with my G4, but with two partitions, one for each operating system. it doesn't appear to give me the option to set up partitions when i do the multi-disk restore. when i use the single disk to install each operating system, i'm able to select the option to partition, however, programs like itunes, idvd, imovie, are not installed when i use the single disc. of course i want to utilize these programs. is it even possible to partiton my hard drive with the multi-disk restore? and if not, how do i get all the programs on that aren't being installed?

Hi, shoot -
are you suggesting i use the single disks to create 2 partitions and install 9 and X on one partition. and then copy 9 onto the other partition? and then remove 9 from the partition that has both 9 and X on it?
Yes.
That will result in OSX being on one partition and OS 9 on another, which is what you described as your goal.
Yes, it is a clumsy way to get to a separation of OS's - but it is the only way when using the set of Restore disks.
The reason for that - the Restore disks do not install using a collection of files from which the installer chooses. Instead, the installer uses a disk image on the CD as a source - this disk image is an exact rendition of the hard drive's contents as originally shipped, and the only choice is all of it, as is.
On a stand-alone install disk, such as an OS 9 Software Install CD, the installer uses a rather extensive selection of individual files. It picks and chooses from amongst those in response to instructions it has been given - not only on what volume (partition) the install is made, but it also permits a Custom install which allows the user to adjust what is installed.
You might examine the contents of the OS 9 Software Install disk - those often contain additional software in the CD Extras folder, and in the Software Installers folder. These might include the items you're interested in - if so, you can install them as supplemental installs after installing OS 9.

How to use partition by instead of group by?

Hi,
I am having trouble using partition by clause in following case,
column other_number with null values contains 10 records in 'some_table'
5 records with date 11-01-2009, item_code = 1
5 records with date 10-01-2009, item_code = 2
This query returns all 10 records, (which suppose to return 2)
SELECT count (a.anumber) over (partition by TO_char(a.some_date,'MM'), a.item_code) AS i_count, a.item_code,
TO_char(a.some_date,'MM')
     FROM some_table
     WHERE to_char(a.some_date,'yyyy') = 2009
     AND a.other_number IS NULL
Works fine if I wrote like this,
SELECT count (a.anumber) AS i_count, a.item_code,
TO_char(a.some_date,'MM')
     FROM some_table
     WHERE to_char(a.some_date,'yyyy') = 2009
     AND a.other_number IS NULL
group by TO_char(a.some_date,'MM'), a.item_code
How to use partition by in this case?

Hi,
Almost all of the aggregate functions (the ones you use in a GROUP BY query) have analytic counterparts.
You seem to have already discovered that whatever values are returned by
an aggregate funcition using "GROUP BY x, y, z" can also be found with
an analytic function using "PARTITION BY x, y. z".
Aggregate queries collapse the result set.
The aggregate COUNT function:
SELECT    deptno
,         COUNT (*)   AS cnt
FROM       scott.emp
GROUP BY deptno
;tells how many of the 14 employees are in each of the 3 departments.
So does the analytic COUNT function:
SELECT    deptno
,         COUNT (*) OVER (PARTITION BY deptno)   AS cnt
FROM       scott.emp
;but the first query produces 3 rows of output, the second query produces 14.
You could get 3 rows of output using the analytic function and SELECT DISTINCT , but it's inefficient.
Which should you use? Like so many other things, the answer depends on what data you have, and what results you want from that data.
If you want collapsed results (one row per group), that's a striong indication that you'll want aggregate, not analytic functions.
If you want one row of output for every row in the table, that's a strong indication that you'll want analytic functions.
If you have a particular question, ask it. Post some sample data and the results you want from that data, as Rob said.
There is another important difference between aggreate and analytic functions: analytic functions can easily be restricted to a window , or subset, of the data set. This is something like a WHERE clause, but a WHERE clause applies to the whole query: a wondowing condition applies only to an individual row.
If you need to compute a SUM of rows with an earlier order_date than this row or an average of the last 5 rows, then you proabably want to use analytic function.

How can I delete the huge "other" section in my storage?

How can I delete this huge "other" category? I don't even know what is in that category.
Thank you!

See -> What is "Other" and what can I do about it?
Clinton

What is partition ? how to create partition ? how to maintain indexes ?

HI experts,
What is the use of peartion table
how to create partition ?
how to create index ? how to maintain ?
Thanks in Advance!
Vijay

Read
Partitioned Tables and Indexes
Create Partitioned Tables and Indexes
SQL Server Index and Statistics Maintenance
Many Thanks & Best Regards, Hua Min

How's this partition table for my server?

How's this partition table for my server? Web/DNS/DHCP/Mail Server.
hdd1: ~8gb total
/boot - 100mb
swap - 1gb
/ - rest of drive
hdd2: ~155gb total
/var - whole drive
This is a Compaq ProLiant 5500 server with 10 drives. Will most things be installed inside /var or what?

Zetsumei wrote:Web/DNS/DHCP/Mail Server.
Web = /srv
DNS = /var
DHCP = /var
Mail = Depends which package you use. I use postfix and told it to use /srv
I would half your swap, reduce /var and put the extra space into /srv
Also create a separate /tmp and /home to prevent accidental or deliberate DoS attacks by filling your / partition
Here's what I use on my Web / DNS / FTP server:
Filesystem Size Used Avail Use% Mounted on
/dev/xvda 493M 176M 317M 36% /
/dev/xvdc 31M 674K 29M 3% /boot
/dev/lvmData-home 62M 26M 34M 44% /home
/dev/lvmData-usr 2.0G 848M 1.1G 45% /usr
/dev/lvmData-tmp 496M 20M 451M 5% /tmp
/dev/lvmData-srv 1.5G 769M 667M 54% /srv
/dev/lvmData-var 496M 231M 241M 49% /var
/dev/lvmData-pacman 384M 303M 82M 79% /var/cache/pacman
/dev/lvmData-backup 5.5G 4.6G 565M 90% /mnt/backup

How do I partition my huge 1 TB Sata Disk?

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