[RndTbl] Linux 4K drive formatting
Hartmut W Sager
hwsager at marityme.net
Sat Jan 19 18:47:19 CST 2013
Oh, one more thing. The cylinders/heads/sectors legacy stuff is
irrelevant today. Even the old (4-entry) partition table also had a pair
of fields for starting position (displacement from sector 0) and size of
partition, and on later PC's, these two parameters alone were used during
boot and then for the booted OS to know where the partitions are. By the
time we got LBA (large/logical block addressing), this practise was already
On 19 January 2013 17:54, Kevin McGregor <kevin.a.mcgregor at gmail.com> wrote:
> So... I picked up my lovely new WD Red 3 TB drives today and installed
> them in my home server.
> Now what? :-) Specifically, I'm running Ubuntu Server 10.04 LTS
> (2.6.32-45-server #102-Ubuntu SMP Wed Jan 2 22:53:00 UTC 2013 x86_64
> GNU/Linux), and I'm wondering if I should upgrade to Precise before I do
> anything with the drives, or use them as-is. I know I should align the
> partitions at (at least) 4 KB boundaries, and 10.04 by default uses 1 MB
> alignment, so I should be okay there.
> Should I worry that the drive reports
> fdisk -l /dev/sdc
> Disk /dev/sdc: 2199.0 GB, 2199023254528 bytes
> 255 heads, 63 sectors/track, 267349 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> ...instead of 3 TB, and thinks the sector and I/O size is 512 bytes?
> Advice, please!
> Roundtable mailing list
> Roundtable at muug.mb.ca
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