Sharing and Securing USB Hard Disks on Your Network
Hello,
For the past year, I had a network created with my Airport Extreme giving me access to a USB Hard Disk. The whole thing was working great until last week. From then, even if I had access to web through my Airport, my network wasn't available anymore. All my settings in the Airport base station are as they where before the bug. My USB disk (LaCie 500g) is fine and running as normal. I have unconnected my base station and USB disk and reconnected them, but still, the computer doesn't give me access to my network and by the same occasion, I don't have access to my external disk.
I need a hand on this problem.
Thanks
No problem with Sharepoints...
http://www.hornware.com/sharepoints/
Similar Messages
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How to share Windows 7 Internet connection AND Extreme USB hard disk?
Hi All,
I'm trying to share the mobile broadband Internet connection on a Windows 7 PC as well as the USB hard disk connected to the Airport Extreme (2nd Gen) with other WiFi devices. The problem is that I can get either the one to work or the other, but not both.
When I configure the Airport Extreme for DHCP+NAT, all machines on the Airport network can see each other, share files, etc. When I enable Internet Connection Sharing on the Windows 7 machine, the only way I've gotten that to work is to set the Airport Extreme to bridge mode, but then file sharing of the Airport Extreme's disk no longer works.
Device info: Internet-connected Dell Latitude E5420 Windows 7 Professional 32-bit, Airport Extreme 802.11n (2nd Gen), Windows XP Home Edition + Nokia N8 + etc. WiFi devices.
I've read all the manuals I could find and searched these forums but haven't been able to figure out a solution. I'm really getting desperate and will really appreciate any and all suggestions!
Many thanks,
FrancoisI've found a solution that works with my existing equipment. It's now possible to share the Windows 7 machine's Internet connection at the same time as the AirPort's drive. An additional challenge was to avoid having to manually reconfigure every WiFi client, but it turned out that's also possible.
For the sake of posterity, here's the guide! :-)
Background
My setup is based on an AirPort Extreme access point WiFi network. The AirPort shares a hard drive, and a number of Windows clients connect to the network. One of these, a Windows 7 machine, has a USB mobile broadband dongle which I also wanted to share with the network.
Previously I got this to work, but whatever configuration I came up with required manual reconfiguration of each network client, one way or the other. This was not ideal. Also, Internet Connection Sharing (ICS) defaults to IP address .1, the same one to which the AirPort defaults. This needed manual reconfiguration of the ICS host each time ICS was turned on.
Solution
THIS SOLUTION REQUIRES THE AIRPORT TO BE IN EITHER DHCP + NAT OR DHCP MODE. IF FOR SOME REASON YOU DEPEND ON THE AIRPORT BEING IN BRIDGE MODE, UNFORTUNATELY THIS SOLUTION WILL NOT WORK FOR YOU.
1. Do the AirPort's non-Internet configuration
On the AirPort Utility main screen, click the AirPort button, work through all the tab sheets and configure the items as you require. Do the same for the Printers, Disks and Advanced buttons. Once that's complete, we can do the Internet configuration.
2. Set the AirPort to DHCP & NAT
This is needed so you can choose the AirPort network address in the next step (but you can still set a different Connection Sharing mode later on, see step 7). For now, set Connection Sharing to Share a public IP address:
3. Set the AirPort to the same network address as ICS
Set the AirPort to the network address used by ICS, namely 192.168.137.xyz. Note that the AirPort does not allow a beginning address below 2:
4. Obtain the AirPort's MAC addresses
These will be used in the next step. Record both the Airport ID as well as the Ethernet ID:
5. Fix the AirPort IP addresses to prevent clashing with ICS
The AirPort will default to the same IP address as ICS, namely 192.168.137.1. To prevent this, assign different addresses to the AirPort with DHCP reservations. Underneath DHCP Reservations, click the '+' and create reservations for each of the AirPort and Ethernet interfaces. You can use other values, but to be consistent with the rest of this guide use 192.168.137.253 for the AirPort interface and 192.168.137.254 for the Ethernet inteface:
6. Distribute ICS configuration data with AirPort DHCP
Yes, you read right! This is where the magic happens. To avoid having to manually configure each WiFi client for the additional ICS network, that configuration data is included with the AirPort DHCP configuration. Assuming you've stuck to the numbers above, configure the TCP/IP screen exactly as shown. .254 is the AirPort router (and also its Ethernet interface) address, and .1 is the IP address that Windows configures for the ICS interface:
7. Set AirPort Connection Sharing
If your AirPort is sharing a connection on its WAN port, choose Share a public IP address, otherwise choose Distribute a range of IP address. In the latter case the NAT tab disappears:
8. Save your AirPort's configuration
Your AirPort configuration is now complete and you can push the Update button. Once your AirPort has rebooted, its network will be fully operational.
9. Ensure your Internet sharing port is correctly configured
ICS involves two network ports on the sharing computer - the shared Internet-connected port, and the sharing port connected to your local network. When you enable ICS on the shared port, Windows will temporarily configure the sharing port's settings to fit in with the scheme above (it will get the fixed IP address 192.168.137.1). When ICS is disabled, Windows will restore the default configuration of the sharing port. The purpose of this step is to ensure that the default sharing port configuration is correct. When ICS is inactive the sharing port needs to obtain an IP address automatically from the AirPort via DHCP. Right-click your chosen WiFi sharing connection > Properties > Networking > Internet Protocol Version 4 (TCP/IPv4) > Properties and configure as follows:
10. Share your Internet connection
Right-click the connection you want to share > Properties > Sharing and configure as follows (you may find the other settings also useful but they're not covered here):
And now you're ready to enjoy your local network services as well as your shared Internet connection, all on your Airport Extreme network - without having to lift a finger to configure network clients!
Windows Network Profiles
If you use Windows network profiles to distinguish between Home, Work and Public networks, here are some additional notes you may find useful.
As Windows recognises networks, it applies their assigned profiles which add or remove sets of restrictions wrt. network discovery, file & printer sharing and so on. The amount of ICS configuration data that can be included with AirPort DHCP information is limited and in some instances this interferes with how Windows recognises networks.
It seems that Windows recognises a network once a default router has been configured for it. Following are some known scenarios with fixes for each, based on that principle.
1. WiFi network not recognised
When ICS is enabled, on the ICS host Windows configures only an IP address for the sharing port and no default router. When ICS is disabled, on the ICS host this port receives its configuration from the AirPort via DHCP, as do all other WiFi clients. This DHCP configuration includes router information for the ICS network, but again no router information for the AirPort network itself.
Therefore the AirPort network is not recognised on any Windows machines on the WiFi network, under any circumstances.
To make Windows recognise the AirPort network, execute the following from the command line with Administrator privileges:
route -4 add 0.0.0.0 mask 0.0.0.0 192.168.137.254 metric 3000
This metric is high enough to ensure that "real" default routes get preference over this one.
If you want to remove the above routing table entry, execute the following from the command line with Administrator privileges:
route -4 delete 0.0.0.0 192.168.137.254
For convenience I created shortcuts for these two commands.
2. WiFi network recognised, unrecognised network remains
Once you've added the route above to make Windows recognise your AirPort network, when ICS is disabled Windows will probably identify TWO networks on your WiFi adapter:
Unidentified network, your_AirPort_network
Windows now recognises your AirPort network, but the DHCP router entry for the inactive ICS network makes it think there must be yet another network. However, the 192.168.137.1 ICS port is not present when ICS is inactive, so Windows reports the inactive router entry as an unidentified network.
If you want to remove this unidentified network/router entry, execute the following from the command line with Administrator privileges:
route -4 delete 0.0.0.0 192.168.137.1
On your Windows ICS host, removing this entry can cause no harm.
However, on network clients where you removed this entry and subsequently want to share your Internet connection from again, you'll need to add it back.
To restore the ICS router entry, execute the following from the command line with Administrator privileges:
route -4 add 0.0.0.0 mask 0.0.0.0 192.168.137.1 metric 1 -
Cannot see my shared USB hard disk's connected on my Mac-mini on my Macbook
As you all can see, I'm a Mac user since 1989, i've don't like working on a windows-computer.
But i've got a problem since I'm using Mac os X 10.5. If i try to make a connection with my Macbook pro to my Mac-mini (my Mac-mini has two USB hard disks) i cannot select the USB hard disks. But my WIDOWS computer has no problem to approche these disks???? Can anyone help me????Hi WillemH777-NL and welcome to the discussion forums.
On the MacMini open system preferences-->sharing
then select 'File Sharing' from the Service column. Then under Shared Folders make sure your 2 usb drives are listed, if not click the + sign and add them.
then click the 'options' button
make sure Share files and folders using AFP is checked
make sure Share file and folders using SMB is checked
Then switch on the names of the users and the mac can use the smb service.
then click Done
Now see if you can access the mini's sharepoints. -
ITunes downloads seem to hang when library is on shared USB hard disk
I have a shared USB hard disk on my AirPort Extreme Base Station. I'm able to play music just fine, but when I download a podcast or purchased music from iTunes, the download will start and then hang for a long time. When I quit and tell it to quit downloading in the dialog box, it ignores my choice and won't quit. I'm not even able to force quit iTunes and then can't even shut down my iBook without killing it by holding down the power button.
Is this an issue with transfering the data to the harddrive while airport is also downloading the song? Is there a way to avoid this situation? A setting? Should I be connected to the router directly and not wirelessly?
Please help.You have to mount your drive each time you want to use it. There is a special Airport Disk Utility to do that. Or you create an alias on your desktop (which you can of course only do once you have connected for the first time).
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Why does my mac mini crash and reboot when I do a time machine backup to a USB Hard Disk?
This is the second time it has happened, the first was with a powered USB Hard Disk, this time with a WD Elements HD.
The first time, it crashed and popped up an alert saying the machine needed to be restarted.
After restarting it continued, then around half way through it crashed again.
It then would not boot as it said the Mac Mini's HD was corrupted.
Tried to repair using the recovery mode, with no joy.
Reformatted Hard Disk, went to recover using online recovery, got a 6002F error and it wouldn't reinstall
Took to apple service centre, they wanted to charge to reinstall the OS (put them straight on that ).
Now it looks like it's doing it again, this time after the first crash I'm just copying the files I need manually to the external Hard Disk, which so far is OK.
Seems these macs aren't so reliable.
Any ideas?
CheersHi den.thed,
thanks for the tips, unfortunately when tryong to start the machine to do a Hardware test (to check RAM) I get the error 6002D so I'm guessing there's something more complicated afoot.
Unfortunatley the service centre here in Malaysia doesn't seem to have any "Geniuses" or indeed any "Comptencies" as it has only just come back from their after they had it for a week.
Makes me want to buy Dell, at least the come to you to fix.
Just in case it's of an help, here's the Kernel Panic that kicked off today's fun.
Mon Jun 18 10:49:47 2012
panic(cpu 2 caller 0xffffff80004e0294): "hfs_swap_HFSPlusBTInternalNode: attr inline #27 too big (attrSize=70)\n"@/SourceCache/xnu/xnu-1699.26.8/bsd/hfs/hfs_endian.c:822
Backtrace (CPU 2), Frame : Return Address
0xffffff812e5ebd50 : 0xffffff8000220792
0xffffff812e5ebdd0 : 0xffffff80004e0294
0xffffff812e5ebe20 : 0xffffff80004e128c
0xffffff812e5ebe70 : 0xffffff80004d4ed4
0xffffff812e5ebeb0 : 0xffffff800031ef00
0xffffff812e5ebf90 : 0xffffff800031fff2
0xffffff812e5ebfb0 : 0xffffff8000820057
BSD process name corresponding to current thread: kernel_task
Mac OS version:
11E53
Kernel version:
Darwin Kernel Version 11.4.0: Mon Apr 9 19:32:15 PDT 2012; root:xnu-1699.26.8~1/RELEASE_X86_64
Kernel UUID: A8ED611D-FB0F-3729-8392-E7A32C5E7D74
System model name: Macmini5,1 (Mac-8ED6AF5B48C039E1)
System uptime in nanoseconds: 2217359583984
last loaded kext at 905164039721: com.apple.filesystems.ntfs 3.10.1 (addr 0xffffff7f81072000, size 376832)
last unloaded kext at 1040650199883: com.apple.driver.AppleUSBCDC 4.1.17 (addr 0xffffff7f80791000, size 12288)
loaded kexts:
com.apple.driver.AppleIntelProfile 85.2
com.apple.driver.AppleHWSensor 1.9.5d0
com.apple.driver.AppleMikeyHIDDriver 122
com.apple.driver.AudioAUUC 1.59
com.apple.driver.AppleUpstreamUserClient 3.5.9
com.apple.driver.AppleMCCSControl 1.0.26
com.apple.driver.AppleMikeyDriver 2.2.0f3
com.apple.driver.AppleIntelHD3000Graphics 7.1.8
com.apple.iokit.IOUserEthernet 1.0.0d1
com.apple.driver.AppleHDA 2.2.0f3
com.apple.driver.AGPM 100.12.42
com.apple.driver.ApplePlatformEnabler 2.0.5d2
com.apple.iokit.IOBluetoothSerialManager 4.0.5f11
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AudioIPCDriver 1.2.2
com.apple.driver.AppleSMCPDRC 5.0.0d0
com.apple.driver.ACPI_SMC_PlatformPlugin 5.0.0d0
com.apple.driver.AppleLPC 1.5.8
com.apple.filesystems.autofs 3.0
com.apple.driver.BroadcomUSBBluetoothHCIController 4.0.5f11
com.apple.driver.AppleIRController 312
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 33
com.apple.driver.XsanFilter 404
com.apple.iokit.IOAHCIBlockStorage 2.0.3
com.apple.driver.AppleFWOHCI 4.8.9
com.apple.driver.AppleUSBHub 4.5.0
com.apple.driver.AppleAHCIPort 2.3.0
com.apple.driver.AirPort.Brcm4331 530.4.20
com.apple.driver.AppleSDXC 1.2.0
com.apple.iokit.AppleBCM5701Ethernet 3.1.2b2
com.apple.driver.AppleEFINVRAM 1.5.0
com.apple.driver.AppleUSBEHCI 4.5.8
com.apple.driver.AppleACPIButtons 1.5
com.apple.driver.AppleRTC 1.5
com.apple.driver.AppleHPET 1.6
com.apple.driver.AppleSMBIOS 1.8
com.apple.driver.AppleACPIEC 1.5
com.apple.driver.AppleAPIC 1.5
com.apple.driver.AppleIntelCPUPowerManagementClient 193.0.0
com.apple.nke.applicationfirewall 3.2.30
com.apple.security.quarantine 1.3
com.apple.driver.AppleIntelCPUPowerManagement 193.0.0
com.apple.iokit.IOSCSIBlockCommandsDevice 3.2.0
com.apple.iokit.IOUSBMassStorageClass 3.0.1
com.apple.driver.AppleProfileTimestampAction 85.2
com.apple.driver.AppleProfileThreadInfoAction 85.2
com.apple.driver.AppleProfileRegisterStateAction 85.2
com.apple.driver.AppleProfileReadCounterAction 85.2
com.apple.driver.AppleProfileKEventAction 85.2
com.apple.driver.AppleProfileCallstackAction 85.2
com.apple.iokit.AppleProfileFamily 85.2
com.apple.driver.AppleSMBusController 1.0.10d0
com.apple.driver.DspFuncLib 2.2.0f3
com.apple.iokit.IOSurface 80.0.2
com.apple.iokit.IOSerialFamily 10.0.5
com.apple.iokit.IOAudioFamily 1.8.6fc17
com.apple.kext.OSvKernDSPLib 1.3
com.apple.driver.ApplePolicyControl 3.0.16
com.apple.iokit.IOFireWireIP 2.2.4
com.apple.driver.AppleHDAController 2.2.0f3
com.apple.iokit.IOHDAFamily 2.2.0f3
com.apple.driver.AppleGraphicsControl 3.0.16
com.apple.iokit.IONDRVSupport 2.3.2
com.apple.driver.AppleSMC 3.1.3d8
com.apple.driver.IOPlatformPluginLegacy 5.0.0d0
com.apple.driver.AppleSMBusPCI 1.0.10d0
com.apple.driver.IOPlatformPluginFamily 5.1.0d17
com.apple.kext.triggers 1.0
com.apple.driver.AppleIntelSNBGraphicsFB 7.1.8
com.apple.iokit.IOGraphicsFamily 2.3.2
com.apple.iokit.IOSCSIArchitectureModelFamily 3.2.0
com.apple.driver.AppleThunderboltDPOutAdapter 1.8.2
com.apple.driver.AppleThunderboltDPInAdapter 1.8.2
com.apple.driver.AppleThunderboltDPAdapterFamily 1.8.2
com.apple.driver.AppleThunderboltPCIDownAdapter 1.2.4
com.apple.driver.AppleUSBBluetoothHCIController 4.0.5f11
com.apple.iokit.IOBluetoothFamily 4.0.5f11
com.apple.iokit.IOUSBHIDDriver 4.4.5
com.apple.driver.AppleUSBComposite 4.5.8
com.apple.driver.AppleThunderboltNHI 1.5.5
com.apple.iokit.IOThunderboltFamily 2.0.0
com.apple.iokit.IOFireWireFamily 4.4.5
com.apple.iokit.IOUSBUserClient 4.5.8
com.apple.iokit.IOAHCIFamily 2.0.8
com.apple.iokit.IO80211Family 420.3
com.apple.iokit.IOEthernetAVBController 1.0.1b1
com.apple.iokit.IONetworkingFamily 2.1
com.apple.iokit.IOUSBFamily 4.5.8
com.apple.driver.AppleEFIRuntime 1.5.0
com.apple.iokit.IOHIDFamily 1.7.1
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 177.5
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 7
com.apple.driver.DiskImages 331.6
com.apple.iokit.IOStorageFamily 1.7.1
com.apple.driver.AppleKeyStore 28.18
com.apple.driver.AppleACPIPlatform 1.5
com.apple.iokit.IOPCIFamily 2.6.8
com.apple.iokit.IOACPIFamily 1.4
Cheers -
Extreme & sharing with accounts = unvisible content on usb hard disk
extreme & sharing with accounts = invisible content on usb hard disk (just empty blue wifi disk)
please help,
thank you!
borisThe Westell's USB port is not currently active for customer use. I've heard that the USB port used to update firmware at the factory, but that's the information I know at the moment.
It's not active which means, you cannot connect ANYTHING to the USB port on the router. No HDD's, Printers, and Webcams. -
WRT610N New Firmware Upgrade and USB Hard disk not working
Hi, I've just upgraded the new firmware, everything seems fine but now my USB Hard disk is not recognizable unless i restart the router. I have a Seagate FreeAgent 500Gigs, and it worked perfectly with the previous firmware. Just wondering if its just me or anyone else has the same problem.
Thanks
I forgot to add that afterawhile the hard disk isnt recognizable again and i have to reset it to get it working
Message Edited by jellydish on 02-13-2009 06:09 AMThe same thing is happening to me... After the HDD goes to sleep, when you goto access it again you can hear it spin up but you still can't access it at all.
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The finder window for an external USB hard disk suddenly started separating files by time (today, yesterday, etc.) and stopped allowing me to change column width, order, etc. Also the header bar shifted to flat white from gray.
All was normal until the icon for the disk stopped showing up on the desktop when I would plug it in. I rebooted the computer, and the disk icon now shows up but this new look to the finder window started as a result. The hard disk does not have this problem when I use it on another Mac running Snow leopard. Also, two other external hard disks that I use on this computer running lion 7.4 still have the normal header bars with columns that can be reordered, etc.
I have tried looking in preferences and other places but have not seen this discussed.Well duh - I finally figured out that somehow in the View options for the hard drive, the "arrange by" option had been changed to "by date" from "none". Not sure how that happened, I had never used the "view options" menu tem before. Changing "arrange by" back to "none" gets the gray column headers and the collapsible folder icons back.
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I have a USB hub connected to my airport with a printer and USB hard disk attached. I can see in manual setup in AirPort utility that both the printer and the hard disk are set up and connected. The printer prints wirelessly.
My problem is that I cannot find the hard disk on my computer in order to take and put in files. Where is the hard disk located???In the Airport Utility /Disks/File Sharing make sure 'Enable file sharing' is checked. Select your choice for access (Secure Shared Disks).
Airport Disk Utility: I have enabled 'Automatically discover AirPort Disks' as well as 'Show Airport Disks in the menu bar'. My action for the Airport is 'Connect with Password'.
More often than not every disk I add to the hub (which is attached to the base station), shows up immediately. When it doesn't, I simply use the menu bar icon, click on the airport name and click 'OK' once the disk availability box appears. My oresent setup is to remember the password in my keychain.
Note: since updating the firmware as well as Airport application, I have had no issues with hard drive access or, in particular, printer access. -
Can connect to USB Hard Disk via OS X 10.5, but not 10.5?
I'm able to connect to my USB Hard Disk in OS X 10.5 by simply going to "SHARED" in the Finder, but I don't see it anywhere in OS X 10.4. My 10.5 computer is connected to the AirPort Extreme via wireless, my 10.4 computer (it's actually OS X Server 10.4.11 ) is connected via a LAN port.
If I go to the Finder and select "Network" I just see "Servers" which shows the 10.4 system I'm on. I don't see anything about the AirPort Extreme or USB Hard Disk connected to it.
Any ideas on how I can see the USB Hard Disk on OS X Server 10.4.11 connected to the AirPort Extreme via a LAN port?
Thanks!You should be able to connect to the disk via SMB from your 10.4 computer. Do you know the IP of the airport express base station? If so, use the Go menu from the Finder of the 10.4 machine and use *Connect to Server*. Enter the Server Address as smb://basestation.ip.address.here and click connect. It should present you with a login box and then mount your shares when you provide the correct credentials.
On my airport extreme base station I have File Sharing enabled with base station password, guest access NOT allowed. My credentials are my account username (probably doesn't matter what name you put) and the base station password. It mounts the shared disk perfectly.
Under 10.5, this method (for me anyway) has been MUCH more reliable than using the Airdisk feature. I disabled Airdisk on the client and now I always mount the share using SMB this way. It seems snappier and the problem where I used to get a drive mounted but then be unable to see anything on it has gone away.
If you want it to automount each login (I know this method works on 10.5, can't remember about 10.4) use the *Connect to Server* dialog and enter the Server Address then click the + sign to add the server to your Favorites (the box under the Server Address line.) Then go to your Library folder in your Home directory. You will see the link you put in Favorites stored there as a file. Drag that file into the Login Items list in your user account in the Accounts pane in the System preferences. To see the connection on your desktop you need to make sure you have your Finder Preferences set to show *Connected Servers* on your Desktop. Click on the Finder menu (when you have Finder selected), then Preferences. -
Hey Guys,
I need an advice from you experts regarding the different formats to be used to format my New 4 Tb ministack from OWC. I have a Mid 2010 Intel macbook pro with 500gb hard disk using Mountain lion and two external hard disk from Samsung and Iomega 1Tb each. I want to format this ministack into 4 partitions each of 1Tb each.
1) 1 Tb for time machine to back up my macbook pro.
2) 1 Tb of Free space to be used to store extra data using both windows and mac os.
3) 1 Tb for Samsung back up
4) 1 Tb for my Iomega back up
I know that for 1st option i need to format the partition (volume) to Mac os extended (journalled). I need help for others.For the 1 Tb free space, can i use NTFS so that i can use it on my wifes windows laptop and use a third a party application like tuxera NTFS for use on my macbook which i am already using to use my samsung and Iomega Ext HDD.
Also What format is required for these two 1 Tb volumes dedicated for external hard disk backups and how can i back up my external hard disks to these formatted volumes. Do i need to format them to Mac os extended (journalled) as well as i shall be using macbook pro to back up these hard disks.
Which would be the best software to back up these Ext hdd,can i use time machine? or CCC ?
Your help help shall be gretaly appreciated.
Thanks in advance.Get Disk Warrior that will repair the problems without requiring that you reformat the drive - $99.00 on a bootable CD. Will not work on a FAT formatted drive.
You will need to use Drag and Drop to save your files by copying them from the bad drive to a good one.
To reprep the 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 from the drop down menu to one. 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. -
Arch: Install to & run from External USB Hard Disk Drive (HDD)
I wanted to play with ArchLinux 2009.02, but replacing the existing Debian-Lenny on the laptop's HDD wasn't an option. So I experimented with installing Arch on an external USB Hard Disk Drive.
I have tried to make this "newbie-friendly", so I hope the more experienced will forgive the detail.
Materials:
Three year old Dell Inspiron 6000
CPU = 2.0 GHz Pentium
RAM = 2.0 GB
Internal HDD = 80 GB
Internal CD/DVD R/RW
External USB HDD = Freecom FHD-2 Pro 80 GB
Archlinux 2009.02 install CD
Steps to install:
1. I put the Archlinux install CD in the drive and connected the external 80 GB HDD in the USB port.
2. When the Dell laptop was booted, I pressed F2 to enter the BIOS setup. I edited the boot sequence to the following:
Internal CD/DVD
External USB device
Internal HDD
On the Dell, you can also press F12 to select the preferred boot device for that boot.
3. I started the laptop and the Archlinux installation menu came up and I proceeded with installation following the "Official Arch Linux Install Guide" and the "Beginners Guide".
4. Used km to change to UK keyboard layout and then began the installer script (/arch/setup). I was installing from the core CD so I skipped the network steps.
5. HDD preparation.
This was fairly straightforward with two cautions:
(a) Make very sure that the external HDD (sdb) is selected for the operations.
(b) Remember to set the Bootable Flag for the first (/) partition on the HDD.
I chose 20 GB for /, 2 GB for swap and the remainder for /home.
6. The package selection and installation was fairly straightforward.
7. Configuration of System
This was section was straightforward with one warning:
USB had to be added to the HOOKS in the /etc/mkinitcpio.conf file!
I found this to be essential for my external USB HDD to function as a bootable device. Otherwise I got the same sorts of errors relating to unrecognisable file system types that other people have reported in the forum.
The relevant line from the end of the edited /etc/mkinitcpio.conf file is below:
HOOKS="base udev autodetect pata scsi sata usb filesystems"
8. Installation of GRUB was the other point where caution and/or correction was necessary.
When it asked where GRUB should be installed, I had to select sdb (my external USB HDD) and not any of the particular partitions on sdb. If the root partition sdb1 was selected then the laptop won't boot from the external USB HDD.
The GRUB /boot/grub/menu.lst as written by the installation routine specifies hd(1,0) which doesn't work when you try to reboot from the external USB HDD. When you boot Arch from the external USB HDD, as far as Arch is concerned - at that point in time - the external USB HDD is the first drive in the system. To fix this:
(a) When the Arch boot menu comes up, press e to edit the grub entries.
(b) Change the first line to hd(0,0)
(c) To the end of the kernel line add rootdelay=8
(d) Press b to boot the system with these temporary corrections.
(e) Once your Arch system has booted, edit the /boot/grub/menu.lst to make the above changes permanent.
The relevant portion of my /boot/grub/menu.lst looks like the following:
# (0) Arch Linux
title Arch Linux
root (hd0,0)
kernel /boot/vmlinuz26 root=/dev/disk/by-uuid/... ro rootdelay=8
initrd /boot/kernel26.img
# (1) Arch Linux
title Arch Linux Fallback
root (hd0,0)
kernel /boot/vmlinuz26 root=/dev/disk/by-uuid/... ro rootdelay=8
initrd /boot/kernel26-fallback.img
9. The laptop happily and consistently boots Arch Linux from the external USB HDD when it's plugged in before startup/booting.
Running Arch from the external USB HDD seems as quick as running Debian from the internal HDD.
So if there is a performance penalty associated with using an external USB HDD, my wife and I haven't noticed.
In summary, the three essential points to address during installation to an external USB HDD are:
Remember to set the bootable flag for the first partition.
Add USB to the HOOKS for /etc/mkinitcpio.conf file.
Correct the /etc/grub/menu.lst file.
I hope this is helpful.
TedHi Rookie,
As you say, it is worth remembering the rootfstype= option for the kernel line just in case someone still has problems with GRUB after making all the other changes.
I was working with the most recent Arch 2009.2 release.
I only got messages about unrecognisable file system type when I tried booting with the "stock" or "as-installed" GRUB (before I edited /boot/grub/menu.lst). After editing /boot/grub/menu.lst to identify the drive correctly and add rootdelay, GRUB was able to do the rest and everything worked OK without any error messages.
Best wishes,
Ted -
Trouble connecting to external USB hard disk through PC
I've had AirPort Extreme 802.11n for a few months which I use to connect to a printer and to share a USB hard disk between my eMac and my thinkpad. For a while everything was working beautifully. The disk showed up on my eMac desktop and in my Windows XP file explorer. Then recently the USB disk stopped connecting at all to either computer even after trying the old remedy of connecting directly to my Mac, dismounting it, and reconnecting. Then today a bunch of updates for the AirPort Utility became available and after updating to 5.3.1 on my eMac the disk shows up on my eMac again. But on my PC here's the situation: the disk appears in the AirPort Utility for Windows (5.3.1) but I can't find it in Windows file explorer. I tried the alternative ways of connecting shown here:
http://docs.info.apple.com/article.html?artnum=306119
but no dice.Uhmmmmmm, you meant to say the Macbook Air DOES have (2) USB PORTS
GENEDI, yes, you can connect a 2.5" USB external HD to your Mac AIR, ...... done it a 1000 times -
I have a PC and a need help to configure my external hard disk on my network. Thanks
I have a PC and a need help to configure my external hard disk on my network. Thanks
If you mean you wish to plug a USB drive into the Airport Extreme router (or TC not express) that is easy..
The disk must be formatted FAT32.. as if.. stay away from FAT .. or HFS+ ie Mac OS extended Journaled.
Format the disk on a Mac is best.. and even use GUID partition scheme not MBR.
The PC has no issue writing and reading files because this is a network drive.. The PC does not write to the drive.. it writes files to the Airport OS which writes and reads the disk and passes the info using standard windows SMB.. To the windows computer it will be a Windows NT server.. FAT32 setup.
If your setup is different.. to my hugely guessed assumptions.. give details.. always helps to have.. make and model.
Make and model of disk.. make and model of router.. how the setup will be done.. what windows OS you run.. etc etc.
As it stands your question could have nothing to do with apple at all.. other than you posted in a forum so I guess there is something apple in there somewhere. -
I just bought this external USB hard disc, and what I did was I put all of my pictures in there because I need space for my computer. What I did after that , is that I configured the hard disc with Time Machine, to clear some space also and to "protect" my data. But now I can't use my hard disc, I can't see my pictures I had in it and I can't use it for Time Machine either.
What can I do to get my pictures back?? Thanks!!External USB hard disks come formatted, and unless they're specifically sold for use with Macs, they're formatted for PC's, with FAT, exFAT, or NTFS formats. Macs can read data from all three formats but can only write to FAT and exFAT formatted drives. So you could save your pictures to an external with either of those two formats. However, Time Machine needs a HD formatted and partitioned for a Mac, and if you "configured the hard disc" for use "with Time Machine," you effectively erased the pictures. However, since you "can't use it for Time Machine either," it's not clear exactly what you did, so we'd need to know that first. Also, what do you mean by "clear some space also?" On your internal or the external? And if the external, how did you do that since it already had your pictures and should still have had some empty space.
I'd suggest looking here to see if your external's format agrees with what Time Machine needs. Just look, don't actually change anything, so we have some baseline to work with. And also look at the box the external HD came in. What does it say about computer compatibility and which operating systems it's intended for (i.e., Windows, Mac, both).
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