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Re: Partitioning >2.2 TB drives
- To: "Robert G. (Doc) Savage" <dsavage@peaknet.net>, "silug-discuss@silug.org" <silug-discuss@silug.org>
- Subject: Re: Partitioning >2.2 TB drives
- From: Michael Granito <mgranito@gmail.com>
- Date: Sat, 27 Apr 2013 12:35:24 -0700
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- Organization: Southern Illinois Linux Users Group
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Doc,
It could very well be an issue with USB adapter. Is there any way you
could use esata?
Sent from my Windows Phone From: Robert G. (Doc) Savage
Sent: 4/27/2013 1:20 PM
To: silug-discuss@silug.org
Subject: Partitioning >2.2 TB drives
Is it possible to partition and format a hard drive larger than 2.2 TB
with a USB2 adapter on a CentOS 6.4 machine with a BIOS motherboard?
I just bought a 4 TB Seagate ST4000NC000 SATA3 drive and the best I can
do with fdisk and gdisk are:
# fdisk -l /dev/sdk
Disk /dev/sdk: 1801.8 GB, 1801763774464 bytes
255 heads, 63 sectors/track, 219051 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
Disk identifier: 0x00000000
and
# gdisk -l /dev/sdk
GPT fdisk (gdisk) version 0.8.4
Partition table scan:
MBR: not present
BSD: not present
APM: not present
GPT: not present
Creating new GPT entries.
Disk /dev/sdk: 3519069872 sectors, 1.6 TiB
Logical sector size: 512 bytes
Disk identifier (GUID): 1D245AF9-778E-4684-A7D1-236E2DCB016A
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 3519069838
Partitions will be aligned on 2048-sector boundaries
Total free space is 3519069805 sectors (1.6 TiB)
Number Start (sector) End (sector) Size Code Name
With gparted 0.6 the best I was able to do was create a 1.64 TB
partition and format it to ext4.
I was planning to buy 44 more of these drives for a Backblaze project.
Needless to say, this is a bit of an unexpected pothole.
--Doc Savage
Fairview Heights, IL
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