Messages in this thread | | | Date | Tue, 17 Aug 2004 13:37:11 -0500 | From | Brian Jackson <> | Subject | Re: external drive size differences |
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On Sun, 15 Aug 2004 11:37:59 +0200, Nigel Kukard <nkukard@lbsd.net> wrote: > Something very very interesting... below is an external drive enclosure > supporting both USB2 and Firwire, fitted with a 200Gb IDE Hdd. > > When plugged into the firewire bus, i get 137Gb size, when plugged into > the usb bus, i get 200Gb size. > > Could this be a bug in the kernel? or external hardware?
More than likely hardware. Most of the oxford chips that are so often used in firewire enclosures, don't support >137G drives. It probably uses a different chip for the usb side of things.
--Iggy
> > <snip> > ieee1394: sbp2: Logged into SBP-2 device > ieee1394: Node 0-00:1023: Max speed [S400] - Max payload [2048] > Vendor: WDC WD20 Model: 00JB-00FUA0 Rev: > Type: Direct-Access ANSI SCSI revision: 06 > SCSI device sdb: 268435455 512-byte hdwr sectors (137439 MB) > sdb: asking for cache data failed > sdb: assuming drive cache: write through > sdb: sdb1 > </snip> > > <snip> > scsi7 : SCSI emulation for USB Mass Storage devices > Vendor: USB 2.0 Model: Storage Device Rev: 0100 > Type: Direct-Access ANSI SCSI revision: 02 > SCSI device sdb: 390721968 512-byte hdwr sectors (200050 MB) > sdb: assuming drive cache: write through > sdb: sdb1 > </snip> > > Regards > Nigel Kukard - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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