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Mac Forum / General / Hardware / July 2007External HD only showing on one Mac
Hi all, I curently own a G4 PowerbBook (OS 10.4.10) and just bought a G5 Mac Pro (OS 10.4.10). I also have a Macpower IceCube 3.5" 320GB HD with 2 S400 Firewire ports. Currently the Ex HD has no problems showing up on my PowerBook (as it always has). But when connected to both machines it will only show up on one or the other (depending on which machine detects it first). I've called Apple Support, but the only thing they could suggest doing was reformatting the Ex HD from a FAT 32 file system to Mac Extended (Journaled) file system. So I tried that, and still no luck - then they suggested it must be an issue with the thrid party product seeing that both machines can physically recognise the drive. And from what I can telll MacPower doesnt have any support relating to this particular drive. Looking in System profiler on both machines - They both claim to have an OXFORD IDE Device which I can only assume is the HD. Does anyone know whats going on or how I can fix this? I figure if there are 2 firewire ports, I should be able to share the drive on 2 machines... correct? Here are my specs for both machines: G4 Powerbook Machine Name: PowerBook G4 15" Machine Model: PowerBook5,8 CPU Type: PowerPC G4 (1.5) Number Of CPUs: 1 CPU Speed: 1.67 GHz L2 Cache (per CPU): 512 KB Memory: 1 GB Bus Speed: 167 MHz Boot ROM Version: 4.9.5f3 Serial Number: Sudden Motion Sensor: State: Enabled FireWire Bus: Maximum Speed: Up to 800 Mb/sec Unknown Device: Manufacturer: Unknown Model: Unknown Device Maximum Speed: Up to 800 Mb/sec Connection Speed: Unknown Unknown Device: Manufacturer: Unknown Model: Unknown Device Maximum Speed: Up to 800 Mb/sec Connection Speed: Unknown Unknown Device: Manufacturer: Unknown Model: Unknown Device Maximum Speed: Up to 400 Mb/sec Connection Speed: Up to 400 Mb/sec OXFORD IDE Device 1: Manufacturer: Macpower Model: 0x0 GUID: 0x1D202E0102066 Maximum Speed: Up to 400 Mb/sec Connection Speed: Up to 400 Mb/sec Sub-units: OXFORD IDE Device 1 Unit: Unit Software Version: 0x10483 Unit Spec ID: 0x609E Firmware Revision: 0x102 Product Revision Level: 08.0 Sub-units: OXFORD IDE Device 1 SBP-LUN: Capacity: 298.09 GB Removable Media: Yes BSD Name: disk1 OS9 Drivers: Yes S.M.A.R.T. status: Not Supported Volumes: Koodoz: Capacity: 297.96 GB Available: 282.77 GB Writable: Yes File System: Journaled HFS+ BSD Name: disk1s10 Mount Point: /Volumes/Koodoz G5 MacPro Model Name: Mac Pro Model Identifier: MacPro1,1 Processor Name: Dual-Core Intel Xeon Processor Speed: 2.66 GHz Number Of Processors: 2 Total Number Of Cores: 4 L2 Cache (per processor): 4 MB Memory: 2 GB Bus Speed: 1.33 GHz Boot ROM Version: MP11.005C.B04 SMC Version: 1.7f8 FireWire Bus: Maximum Speed: Up to 800 Mb/sec Built-in Hub: Manufacturer: Unknown Model: Unknown Device Maximum Speed: Up to 800 Mb/sec Connection Speed: Unknown Unknown Device: Manufacturer: Unknown Model: Unknown Device Maximum Speed: Up to 400 Mb/sec Connection Speed: Unknown OXFORD IDE Device 1: Manufacturer: Macpower Model: 0x0 GUID: 0x1D202E0102066 Maximum Speed: Up to 400 Mb/sec Connection Speed: Up to 400 Mb/sec Sub-units: OXFORD IDE Device 1 Unit: Unit Software Version: 0x10483 Unit Spec ID: 0x609E Firmware Revision: 0x102 Sub-units: OXFORD IDE Device 1 SBP-LUN: Macintosh: Manufacturer: Apple Computer, Inc. Model: 0xA GUID: 0x1451FFFE1CD66A Maximum Speed: Up to 800 Mb/sec Connection Speed: Up to 400 Mb/sec Sub-units: Macintosh Unit: Unit Software Version: 0x1 Unit Spec ID: 0x5E Macintosh Unit: Unit Software Version: 0x2 Unit Spec ID: 0x5E > Hi all, > [quoted text clipped - 12 lines] > can telll MacPower doesnt have any support relating to this particular > drive. How do you intend to use this configuration? FireWire is not intended to support more than on controller. As you've described the connection, One Mac could be started in Target Disk Mode and the other Mac would see both the external drive and the other Mac's internal drive. You will not be able to use the external drive as a storage pool for both Macs concurrently. > In article <1184070976.939992.27...@e16g2000pri.googlegroups.com>, > You will not be able to use the external drive as a storage pool for > both Macs concurrently. Thanks Tom, I cant believe the tech guys at Apple couldnt tell me that straight up. Can you explain why there are 2 FireWire ports on the HD? Also can you elaborate on Target Disk Mode.. i.e What is this mode intended for? Is it safe o work form this mode? Which machine would be better off in Target Mode? Or better yet. Is there another workaround, like software or firmware that will fix this issue? Cheers, Marc > > In article <1184070976.939992.27...@e16g2000pri.googlegroups.com>, > [quoted text clipped - 5 lines] > I cant believe the tech guys at Apple couldnt tell me that straight > up. They may not have understood that you were trying to connect to to machines concurrently. Depends a lot on how you phrased your statements. > Can you explain why there are 2 FireWire ports on the HD? For chaining additional devices. > Also can you elaborate on Target Disk Mode.. i.e What is this mode > intended for? It's intended as a means for one machine to use a different machine's internal drive as local storage. You invoke it by holding down the T key on the machine you want to use as a drive while it's booting. You'll eventually see a mostly-blank screen with a FireWire logo jumping around on it. > Is it safe to work form this mode? Um. Generally, yes. That's what it's there for. What particular kind of work do you have in mind? > Which machine would be > better off in Target Mode? Whichever one you don't want to actually be sitting at as an operator. > Or better yet. Is there another workaround, > like software or firmware that will fix this issue? No. FireWire is not a network file system. You'd pretty much have to introduce new hardware to own the drive and arbitrate access to it. >>> In article <1184070976.939992.27...@e16g2000pri.googlegroups.com>, >> [quoted text clipped - 37 lines] > No. FireWire is not a network file system. You'd pretty much have to > introduce new hardware to own the drive and arbitrate access to it. Ah, no. All you need is IP over FireWire. That's been around since at least Jaguar, and was much better supported under Panther and later. <http://forums.macosxhints.com/archive/index.php/t-18018.html> It's also supported (poorly) by W2K and (much better) by WinXP and Vista.  Signatureemail to oshea dot j dot j at gmail dot com. > >> Or better yet. Is there another workaround, > >> like software or firmware that will fix this issue? [quoted text clipped - 6 lines] > <http://forums.macosxhints.com/archive/index.php/t-18018.html> It's also > supported (poorly) by W2K and (much better) by WinXP and Vista. No, that's not all you need. That's an answer to a different question. IPFW lets hosts communicate with each other using FireWire as the physical layer. But you'd still need something to get the FireWire drive to act as a host and something to arbitrate access to the platters in that scenario. Look carefully at what you wrote: IPFW is supported by OS X and Windows. Now what's the OS running on the HD that lets it participate? Now, that said, I presumed that the OP knew about the possibility of sharing a drive over a LAN and for some reason found that insufficient to his needs. (Such as not wanting to commit to having a high-load host machine on/awake at all times.) If that presumption is flawed, then yes: All he needs to do is establish a network between the machines and he won't actually need extra hardware beyond a cable. >I curently own a G4 PowerbBook (OS 10.4.10) and just bought a G5 Mac >Pro (OS 10.4.10). I also have a Macpower IceCube 3.5" 320GB HD with 2 [quoted text clipped - 17 lines] >there are 2 firewire ports, I should be able to share the drive on 2 >machines... correct? No, sharing a drive between two computers is a lot more complicated. Either both computers need to know about each other and the drive or the drive needs an intelligent controller. Regards, Christoph Gartmann SignatureMax-Planck-Institut fuer Phone : +49-761-5108-464 Fax: -452 Immunbiologie Postfach 1169 Internet: gartmann@immunbio dot mpg dot de D-79011 Freiburg, Germany http://www.immunbio.mpg.de/home/menue.html > No, sharing a drive between two computers is a lot more complicated. > Either both computers need to know about each other and the drive or > the drive needs an intelligent controller. Christoph, Can you point me in the right direction to either of these methods? Cheers, Marc >> No, sharing a drive between two computers is a lot more complicated. >> Either both computers need to know about each other and the drive or [quoted text clipped - 3 lines] > >Can you point me in the right direction to either of these methods? The first possibility is a matter of the operating system. The second one is something that is commonly known as NAS (networked attached storage). I am not aware of any solution via Firewire for neither of the two possibilities. An example that might do what you need is a "Snapserver 110". Regards, Christoph Gartmann SignatureMax-Planck-Institut fuer Phone : +49-761-5108-464 Fax: -452 Immunbiologie Postfach 1169 Internet: gartmann@immunbio dot mpg dot de D-79011 Freiburg, Germany http://www.immunbio.mpg.de/home/menue.html >> No, sharing a drive between two computers is a lot more complicated. >> Either both computers need to know about each other and the drive or [quoted text clipped - 7 lines] > > Marc Googling 'firewire network mac' will reveal much. Signatureemail to oshea dot j dot j at gmail dot com. > Does anyone know whats going on or how I can fix this? I figure if > there are 2 firewire ports, I should be able to share the drive on 2 > machines... correct? You appear to be trying to use FireWire as a networking system. This can be done... just not with Macs running anything earlier than Panther <http://www.oreillynet.com/pub/a/mac/2003/11/11/panther_internet.html>. You'd have to configure the drive as a NAS device, with an IP of its own. You can't have any one FireWire cable longer than 15 feet, and you can't exceed 240 (237, officially) feet in total for your entire network. Or you could configure one port to have an IP and attach the drive to the other port, and mount it as a share point. That could be done with Jaguar. <http://forums.macosxhints.com/archive/index.php/t-18018.html> Signatureemail to oshea dot j dot j at gmail dot com. |
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