Converting PC NTFS file system to Mac

I have just got a Mac and want to user the external hard drive that was previously used by my PC. I do not have read/write permission to the external hard drive - I guess because it is formatted for NTFS. Do I need to reformat the external drive to allow my Mac to be the primary user of it with full access?
I have copied all the data off the external drive in anticipation so assume that I need to reformat it from my Mac and then copy the data back? Is that right or is there anehotr way? If re-format is the way to go what tool do I use - Disk Utility?
Thanks in advance.

Yep... You answered your own question
OS X can read from NTFS formatted drives, but it cannot write to them. You can use Disk Utility to reformat the drive. The most common format to use (if PC compatibility is not an issue) is Mac OS Extended (Journaled)). If you want to use the drive on both Macs and PCs, you can select the MS DOS format option. That will format the drive in FAT32 so you can use it on both Macs and Windows machines.

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USB Hardrive NTFS file system

Ive just changed from windows to mac. I am now having a bit of a problem. With my old windows computer i used a 180gb usb hardrive on NTFS file system. I can read the files on my new mac but i cant put anything on there. So i now realise i have to convert the hardrive to a mac file system. But i have lots of files on there and i assume reformating will wipe all the files??? Does anyone have any suggestions of what i can do? I also have one final question if and when i do format which is the best file system to use? and is there anyfile system other than FAT32 that will work with mac and windows?

The Mac can only read NTFS, not read.
My suggestion would be a) move the things to another already formatted external drive, b) get lots of DVD's and start making those archive copies that you've been putting off for so long, c) move the files onto the Mac temporarily and reformat the drive and then put them back on the external drive.
For maximum interoperability you'll want FAT32, if you are going to do that it'd probably be easier to offload the files onto your PC, reformat and then move them again.
I recently did this and I went through the files on the drive first and found that I could delete a lot of the files that I had on there so good luck.

Are ntfs files compatable with mac os lion

are ntfs files compatable with mac os lion

Files aren't ntfs or hfs or ufs or zfs.
Those are file systems that is the basis for how the OS stores the files on the computer. Files are store inside a file system, but the file system doesn't normally affect the file itself.
Mac OS X can natively read nt file systems. If you want to write, then you'll need something like Siddharth Khanna pointed out. I've also used Tuxera's product. You can use a combination of MacFuse and NTFS-3G for free, but if you need normal everyday access, that's going to fall short, I think.
On the other hand, Windows can't natively handle HFS+ at all. If you need to format an external drive to work with both, I'd suggest using exFAT. Mac OS X from 10.6.6 on can read and write it, and Windows back to some version of XP can read/write it. As the name implies, it is much like FAT, but on steroids. It can handle very large file sizes and disk sizes.

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Message was edited by: Hermann Koster
Thank you very much for your reply. The idea is to decommission the Windows file server which is running Windows Server 2003 SP2 operating system but is not running as a DC but just a member server. All this server is doing is providing file server services so my idea is to replace it with the NSS 324 box. My only concern is that when my NSS joins the domain all my users would be able to see and access network shares transparently, the same way they saw the former W2003 file server. After I transferred the data from File server I will use the same for NSS that was used for file server as well as same IP address and folders path as before.
Any suggestions or advice?
Once again thank you very much for your reply.
Cheers,

The internal HDDs must be formatted in either EXT3 or EXT4 file system because NSS uses Linux OS. This is mainly because the RAM designed to fit with the customized Linux OS's size.
You can connect to an external HDD via a USB or eSATA port. The external HDD's file system can be NTFS, FAT32, AFT or EXT3/4 to be recognized for read/write. You can connect a 2TB USB/eSATA drive connec to the NSS via USB port to format your HDD for NTFS, AFT, FAT32, or EXT3/4 partition.
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Memory Management, Crit Structure Corrupt, Bad Pool Caller, ntfs file system error

So after freshly installing Win 8.1 I was happy, untill I started to play some games that I previously played on Win 7, I've started to get a whole heap of errors, I did have more written down but have lost the bit of paper they were written on.
Here are the list of errors I can remember.
Memory Management, Crit Structure Corrupt, Bad Pool Caller, ntfs file system error
Specs:
Operating System
Windows 8.1 Pro 64-bit
CPU
AMD Athlon II X2 250
35 °C
Regor 45nm Technology
RAM
6.00GB Dual-Channel DDR2 @ 400MHz (5-5-5-18)
Motherboard
ASUSTeK Computer INC. M3N-H/HDMI (Socket AM2 )
40 °C
Graphics
SyncMaster (1440x900@60Hz)
SAMSUNG (1440x900@60Hz)
ATI Radeon HD 4800 Series (Microsoft Corporation - WDDM v1.1) (Sapphire/PCPartner)
Storage
698GB Western Digital WDC WD7500AAKS-00RBA0 ATA Device (SATA)

Adam
These are Related to
atikmdag.sys ATI Radeon Kernel Mode Driver. Yours is 2+ years old. I would update to the newest driver available.
Microsoft (R) Windows Debugger Version 6.3.9600.16384 AMD64
Copyright (c) Microsoft Corporation. All rights reserved.
Loading Dump File [C:\Users\Ken\Desktop\A040614-65203-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available
************* Symbol Path validation summary **************
Response Time (ms) Location
Deferred SRV*H:\symbols*http://msdl.microsoft.com/download/symbols
Symbol search path is: SRV*H:\symbols*http://msdl.microsoft.com/download/symbols
Executable search path is:
Windows 8 Kernel Version 9600 MP (2 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 9600.16384.amd64fre.winblue_rtm.130821-1623
Machine Name:
Kernel base = 0xfffff803`be013000 PsLoadedModuleList = 0xfffff803`be2da9b0
Debug session time: Mon Apr 7 00:35:03.785 2014 (UTC - 4:00)
System Uptime: 0 days 0:08:48.334
Loading Kernel Symbols
Loading User Symbols
Loading unloaded module list
* Bugcheck Analysis *
Use !analyze -v to get detailed debugging information.
BugCheck 3B, {c0000005, fffff80001cf7d73, ffffd0002305c470, 0}
*** WARNING: Unable to verify timestamp for atikmdag.sys
*** ERROR: Module load completed but symbols could not be loaded for atikmdag.sys
Probably caused by : atikmdag.sys ( atikmdag+70d73 )
Followup: MachineOwner
0: kd> !analyze -v
* Bugcheck Analysis *
SYSTEM_SERVICE_EXCEPTION (3b)
An exception happened while executing a system service routine.
Arguments:
Arg1: 00000000c0000005, Exception code that caused the bugcheck
Arg2: fffff80001cf7d73, Address of the instruction which caused the bugcheck
Arg3: ffffd0002305c470, Address of the context record for the exception that caused the bugcheck
Arg4: 0000000000000000, zero.
Debugging Details:
EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%08lx referenced memory at 0x%08lx. The memory could not be %s.
FAULTING_IP:
atikmdag+70d73
fffff800`01cf7d73 8a040a mov al,byte ptr [rdx+rcx]
CONTEXT: ffffd0002305c470 -- (.cxr 0xffffd0002305c470;r)
rax=0000000000000000 rbx=ffffcf80021783a0 rcx=ffffcf8002334ff5
rdx=0000307ffdccb010 rsi=ffffcf8004734470 rdi=ffffcf80021783a0
rip=fffff80001cf7d73 rsp=ffffd0002305cea8 rbp=ffffd0002305cf00
r8=0000000000000006 r9=0000000000000000 r10=0000000000000384
r11=ffffcf8002334ff0 r12=0000000000000001 r13=ffffcf8004734470
r14=0000000000000000 r15=ffffcf8004734470
iopl=0 nv up ei ng nz na po nc
cs=0010 ss=0018 ds=002b es=002b fs=0053 gs=002b efl=00010286
atikmdag+0x70d73:
fffff800`01cf7d73 8a040a mov al,byte ptr [rdx+rcx] ds:002b:00000000`00000005=??
Last set context:
rax=0000000000000000 rbx=ffffcf80021783a0 rcx=ffffcf8002334ff5
rdx=0000307ffdccb010 rsi=ffffcf8004734470 rdi=ffffcf80021783a0
rip=fffff80001cf7d73 rsp=ffffd0002305cea8 rbp=ffffd0002305cf00
r8=0000000000000006 r9=0000000000000000 r10=0000000000000384
r11=ffffcf8002334ff0 r12=0000000000000001 r13=ffffcf8004734470
r14=0000000000000000 r15=ffffcf8004734470
iopl=0 nv up ei ng nz na po nc
cs=0010 ss=0018 ds=002b es=002b fs=0053 gs=002b efl=00010286
atikmdag+0x70d73:
fffff800`01cf7d73 8a040a mov al,byte ptr [rdx+rcx] ds:002b:00000000`00000005=??
Resetting default scope
CUSTOMER_CRASH_COUNT: 1
DEFAULT_BUCKET_ID: VERIFIER_ENABLED_VISTA_MINIDUMP
BUGCHECK_STR: 0x3B
PROCESS_NAME: csrss.exe
CURRENT_IRQL: 0
ANALYSIS_VERSION: 6.3.9600.16384 (debuggers(dbg).130821-1623) amd64fre
LAST_CONTROL_TRANSFER: from fffff800025cf3d7 to fffff80001cf7d73
STACK_TEXT:
ffffd000`2305cea8 fffff800`025cf3d7 : ffffcf80`04734470 ffffcf80`04734470 00000000`00000000 ffffcf80`01f52450 : atikmdag+0x70d73
ffffd000`2305ceb0 ffffcf80`04734470 : ffffcf80`04734470 00000000`00000000 ffffcf80`01f52450 ffffd000`2305cf00 : atikmdag+0x9483d7
ffffd000`2305ceb8 ffffcf80`04734470 : 00000000`00000000 ffffcf80`01f52450 ffffd000`2305cf00 fffff800`025f48d3 : 0xffffcf80`04734470
ffffd000`2305cec0 00000000`00000000 : ffffcf80`01f52450 ffffd000`2305cf00 fffff800`025f48d3 ffffcf80`04734470 : 0xffffcf80`04734470
FOLLOWUP_IP:
atikmdag+70d73
fffff800`01cf7d73 8a040a mov al,byte ptr [rdx+rcx]
SYMBOL_STACK_INDEX: 0
SYMBOL_NAME: atikmdag+70d73
FOLLOWUP_NAME: MachineOwner
MODULE_NAME: atikmdag
IMAGE_NAME: atikmdag.sys
DEBUG_FLR_IMAGE_TIMESTAMP: 4fdf9bbd
STACK_COMMAND: .cxr 0xffffd0002305c470 ; kb
FAILURE_BUCKET_ID: 0x3B_VRF_atikmdag+70d73
BUCKET_ID: 0x3B_VRF_atikmdag+70d73
ANALYSIS_SOURCE: KM
FAILURE_ID_HASH_STRING: km:0x3b_vrf_atikmdag+70d73
FAILURE_ID_HASH: {1ec4cdaf-008d-03dd-4ca9-ade1993441da}
Followup: MachineOwner
Wanikiya and Dyami--Team Zigzag

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Converting PC NTFS file system to Mac

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