Can "Lion" recognize 3 tetrabyte Hitachi hard drives

Thinking of springing for one of those 'colossal' drives for video work. Thanks.

OSX Lion and also Snow Leopard have no problems with 3TB harddisks.
When problems arise then almost always due to the used enternal harddisk enclosure not being able to handle 3TB harddisks.
So be sure to get one that can handle.
Stefan

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Xserve G5 can't recognize external FireWire Hard Drives

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I checked the enclosure lock just in case and it is unlocked. System Profiler lists 2 "Unknown Devices" on the FireWire Bus (one on FW400 port and one on FW800 port) even though I have only one FW800 drive plugged in.

Take a look at this link: What to do if your computer won't recognize a FireWire or USB device
The reset is described in the last 5 steps.

Hi - my 2011 Mac Pro no longer recognizes devices in the usb ports, I've been told it's the logic board. is there a way I can connect the iomega external hard drive to it through the firewire or thunderbolt ports?

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jrburrows wrote:
Ok, fair enough. But since Job's death - Apple's control on leaks has been terrible. I got the new iPhone, and I like it - but it hasn't made nearly as big as an impression as previous ones. Because of the vast ammount of leaks. With the iPad mini leaks, it's 99% sure to come out next week.
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I have a Mac Pro with four hard drives. I currently have Lion installed on one hard drive. I want to have the option to boot from either Lion or Snow Leopard. How can I do this?

I have a Mac Pro with four hard drives. I currently have Lion installed on one hard drive. I want to have the option to boot from either Lion or Snow Leopard. How can I do this?

It's best to install Snow Leopard on one of the three remain drives without an Operating System.
You can then install the applications you need from the original media. Create a User Account using Setup Assistant.
Do you want to migrate User Accounts from the OSX LIon boot drive, or are you keeping the User Accounts separate?
Dual-booting just requires holding the option key during startup and selecting either Lion or Snow Leopard.

Why does my iMac (with Mountain Lion) no longer recognize my external hard drive I have used as a back up via Time Machine after the hard drive was accidentally unplugged?

Why does my iMac (with Mountain Lion) no longer recognize my external hard drive I have used as a back up via Time Machine after the hard drive was accidentally unplugged?

Do you mean the external hard drive is not mounted on the iMac desktop?
Check if Disk Utility sees the drive. Applications / Utilities / Disk Utility. If the external shows up in the left column, select it and click on Mount.
If it does show up this way, I recommend using DU to Repair Disk.

Lion works fine, but it wont recognize my external hard drives. Everything worked with Snow Leopard. Is there a fix?

Lion works fine, but it wont recognize my external hard drives. Everything worked with Snow Leopard. Is there a fix?

What's the URL of the page?
In the mean time clear the cache and reload the page.

Time Capsule wont recognize my external hard drive connected to my router.

I purchasd a Netgear N600 Ruter and connected a WD MyBook for Mac Hard Drive to it with the hopes of setting up a wireless Time Machine Backup system for my MacBook and iMac. Unfortunately Neither computer will recognize the MyBook Hard Drive as a Hard Drive for Time Machine. I can get to the files through the finder window just fine, but Time Machine won't recognize it as haveing space to back things up in. In disk Utility it stays that my external Hard drive is formatted to "Macintosh Formatting".
Also in Time Machine>Select Back Up Disk>Other Time Capsule>Set Up it opens the Airport Utility. In Airport Utility If I go to File Menu and go to Configure Other it Requests a address and password. For the address I chose the files that the Hard drive is listed to which is smb://192.168.1.1...(etc) It says "An error Occured while reading the configuration." Do I need to reformat my external hard drive? I was on support for about 2 hours with the Router support and they finally said to contact apple Support. Any Ideas would be great. Please Help!

Netgear made WNDR3700 and WNDR3800 as well as a specific Mac version.. all called N600 as well as some modem models also called N600.. So tell us a precise and exact model number.
I think the Netgear are supposed to handle AFP file protocol, but we need the exact model to check... also if it can handle AFP since Lion.. because a lot of things changed and units that could do TM backups no longer worked. AFP in Lion increased security beyond what the firmware of the router could handle.
You also need to understand, you cannot see a TM backup that was done on an external drive if it is plugged into a network device.. TM handles network drives differently to local drives.
But there is no reason to do what you are doing.. In fact it is much better to leave the disk plugged into the iMac.
You can still access it from wireless with your laptop, by simply sharing the disk to the network from the iMac.
See http://code.stephenmorley.org/articles/time-machine-on-a-network-drive/

I would like to know if you have to back up a macbook hard drive, can I use a external hard drive that has been previously used to back up several pc 's, or is it best to have a separate external drive for the Mac?

I would like to know if you have to back up a macbook hard drive, can I use a external hard drive that has been previously used to back up several pc 's, or is it best to have a separate external drive for the Mac?

In the Mac side of things, backups usually come in two flavors: clones or incrementals.
A bootable clone is a bit-for-bit copy of all essential files in the startup volume. If using the Lions, clones can be made using CarbonCopyCloner or just plain old Disk Utility. These backups represent the safest protection of your info, but take the longest to do. Recovery is an inverse process: you copy the clone back into the internal drive.
Incremental backups start with a complete backup of the startup volume and only copy whatever changed from the previous run. OS X includes the fully integrated Time Machine backup utility to do this. It is extremely easy to do and takes the least amount of time. Recovery is another matter altogether since you have to start with a freshly installed instance of the OS and have to apply all intervening backups to bring the result to the latest saved version.
As for where the backup takes place, the recommended media is an external dedicated drive or drives connected via the fastest interface available on your Mac: Thunderbolt, USB3, Firewire, or USB2. Network-based backups, wired or wireless, are attractive but may not offer the same performance and hence take longer. Also important to note that the entire drive need not be completely dedicated to a single backup. The Mac's EFI firmware infrastructure allows for an unlimited number of partitions on a hard drive and each can be used for either type of backups.
Holler if you need specifics on how to do each. This was just an executive summary.

Is there an issue with the hitachi hard drives in the MacBook Pro's ? Got a 15 inch and a 13 inch at the same time and both drives have failed in under two years. I have heard from a few other people with same issue.

Is there an issue with the hitachi hard drives in the MacBook Pro's ? Got a 15 inch and a 13 inch at the same time and both drives have failed in under two years. I have heard from a few other people with same issue. Other drive I have had have lasted at least 5 or more years.

there is a dylib you can put in the springboard if jailbroken but if not you have to find an apple store

How can I use my external hard drive on both pc and mac, but also being able to use it to back up my mac data?

I want to be able to transfer some of my files from my laptop to my macbook, but not all of them. I have a NTFS external hard drive and I have heard about reformatting it so that it can read/write across both systems, but can I still use this hard drive to back up the data on my macbook? If I can, how should I go about reformatting the hard drive?

FORMAT TYPES
FAT32 (File Allocation Table)
Read/Write FAT32 from both native Windows and native Mac OS X.
Maximum file size: 4GB.
Maximum volume size: 2TB
You can use this format if you share the drive between Mac OS X and Windows computers and have no files larger than 4GB.
NTFS (Windows NT File System)
Read/Write NTFS from native Windows.
Read only NTFS from native Mac OS X
To Read/Write/Format NTFS from Mac OS X, here are some alternatives:
For Mac OS X 10.4 or later (32 or 64-bit), install Paragon (approx $20) (Best Choice for Lion)
Native NTFS support can be enabled in Snow Leopard and Lion, but is not advisable, due to instability.
AirPort Extreme (802.11n) and Time Capsule do not support NTFS
Maximum file size: 16 TB
Maximum volume size: 256TB
You can use this format if you routinely share a drive with multiple Windows systems.
HFS+ ((((MAC FORMAT)))) (Hierarchical File System, a.k.a. Mac OS Extended (Journaled) Don't use case-sensitive)
Read/Write HFS+ from native Mac OS X
Required for Time Machine or Carbon Copy Cloner or SuperDuper! backups of Mac internal hard drive.
To Read HFS+ (but not Write) from Windows, Install HFSExplorer
Maximum file size: 8EiB
Maximum volume size: 8EiB
You can use this format if you only use the drive with Mac OS X, or use it for backups of your Mac OS X internal drive, or if you only share it with one Windows PC (with MacDrive installed on the PC)
EXFAT (FAT64)
Supported in Mac OS X only in 10.6.5 or later.
Not all Windows versions support exFAT.
exFAT (Extended File Allocation Table)
AirPort Extreme (802.11n) and Time Capsule do not support exFAT
Maximum file size: 16 EiB
Maximum volume size: 64 ZiB
You can use this format if it is supported by all computers with which you intend to share the drive. See "disadvantages" for details.

I have Lion on an external hard-drive and I want to install it on the internal disk

I have Lion on an external hard-drive and I want to install it on the internal disk. How can I proceed?

I recently completed a clean install of Lion on an internal SSD. After wiping it clean, I used a thumb drive with SL on it to boot and then another thumb drive with Lion on it. It worked just fine. The only thing to be aware of is that if you use the thumb to install Lion from... it will not install a recovery partition and you'll have to use the thumb in the future.
That's what I wanted anyway so it's working out just fine. Good luck.
I should add... I used the SL thumb to actually boot from and used Disk Utlities to wipe the internal SSD. It does work and there are Apple posts that can guide you through the thumb drive process. I used copycat to create both the SL boot and Lion.

My notebook won't recognize my external hard drive

my notebook won't recognize my external hard drive. I can safely remove it, but when i look for it on my computer its not there?

Disable Time Machine from System Preferences.
Choose Select disk button, remove the old TM backup disk and add the new one.

If I want to install Lions on a 2nd hard drive in my MacPro Desktop, will it allow me to do so if I have Leopard installed on the boot drive?

I have a blank 2nd hard drive that I am going to install in my MacPro desktop. The boot drive already contains the Leopard operating system. I want to install Lions on the blank hard drive. Will setup in Lions when it comes out, allow me to install Lions onto the 2nd hard drive since it should detect that I have a valid Apple operating system on the boot drive?

You can first install Snow Leopard then re-download Lion. Or you saved the original installer application then created a bootable Lion installer on a USB flash drive or DVD. Or you buy Apple's $69.00 USB flash installer.
You haven't told us what hindrances you've encountered, so you should post your own separate topic related to your problem and not threadjack another person's topic.

I can't format my external hard drive, some one please help me.

i can't format my external hard drive, when i am trying using disk utility its some times not showing the erase option. when its shows erase option its saying earase failed can not unmount the disk.

Repair the Hard Drive and Permissions - Mavericks, Lion/Mountain Lion
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu. Select Restart from the Apple menu.

I have a mid-2010 27" Quad Core i5 iMac running 10.8.3. Startup disk recognizes the primary hard drive as a startup volume but will not boot from it. Have tried zapping PRAM, ran disk utility. No errors reported Any thoughts?

I have a mid-2010 27" Quad Core i5 iMac running 10.8.3. Startup disk recognizes the primary hard drive as a startup volume but will not boot from it. Have tried zapping PRAM, ran disk utility. No errors reported Any thoughts?

My bad Eric. The startup preference recognizes the primary as a 10.8.3 startup volume but when u select it the system does not boot. I can only boot from my external backup drive

Can "Lion" recognize 3 tetrabyte Hitachi hard drives

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