sda : very big device. try to use READ CAPACITY(16).
SCSI device sda: 5859373056 512-byte hdwr sectors (2999999 MB)
sd 0:0:0:0: Attached scsi generic sg0 type 0
scsi 0:0:16:0: Attached scsi generic sg1 type 3
sda: Write Protect is off
sda: Mode Sense: cb 00 00 08
SCSI device sda: drive cache: write back
sda : very big device. try to use READ CAPACITY(16).
SCSI device sda: 5859373056 512-byte hdwr sectors (2999999 MB)
sda: Write Protect is off
sda: Mode Sense: cb 00 00 08
SCSI device sda: drive cache: write back
 sda:<6>eth0: Tigon3 [partno(BCM95721) rev 4101 PHY(5750)] (PCI Express) 10/100/1000BaseT Ethernet 00:14:5e:94:25:a1
eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[1] Split[0] WireSpeed[1] TSOcap[1] 
eth0: dma_rwctrl[76180000] dma_mask[64-bit]
ata_piix 0000:00:1f.2: version 2.00
ata_piix 0000:00:1f.2: MAP [ P0 P2 IDE IDE ]
GPT:Primary header thinks Alt. header is not at the end of the disk.
GPT:4882810879 != 5859373055
GPT:Alternate GPT header not at the end of the disk.
GPT:4882810879 != 5859373055
GPT: Use GNU Parted to correct GPT errors.
 sda1
sd 0:0:0:0: Attached scsi disk sda