Date: Tue, 1 Apr 2008 09:52:11 +0200 From: Gianni <gdoe6545@yahoo.it> To: freebsd-questions@freebsd.org Subject: External USB drive - primary GPT table is corrupt or invalid Message-ID: <F5D75DD8-7DC2-42E4-AA2D-A829322ADEFA@yahoo.it>
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I've created a single slice and partition on an external USB drive using sysinstall which gives the following devices: /dev/da0 /dev/da0s1 /dev/da0s1c /dev/da0s1d I can mount da0s1d and read+write data just fine but I get the messages below when I initially attach the drive; can someone explain what "the primary GPT table is corrupt or invalid" means and if it's something I should be concerned about. umass0: <JMicron JM20336 SATA, USB Combo, class 0/0, rev 2.00/1.00, addr 4> on uhub4 da0 at umass-sim0 bus 0 target 0 lun 0 da0: <WDC WD32 WD-WCARW278 58.0> Fixed Direct Access SCSI-2 device da0: 40.000MB/s transfers da0: 305245MB (625142448 512 byte sectors: 255H 63S/T 38913C) GEOM: da0: the primary GPT table is corrupt or invalid. GEOM: da0: using the secondary instead -- recovery strongly advised. GEOM_LABEL: Label for provider da0p1 is msdosfs/EFI. Thanks Gianni
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