Support for hard drives > 2 TB?
josh at tcbug.org
Sat Dec 4 00:31:26 UTC 2010
On Friday, December 03, 2010 06:00:29 am Thomas Mueller wrote:
> Can FreeBSD be successfully installed, and run, on all or part of a hard
> drive > 2 TB? Sector size would be 4 KB, though I think the hard-drive
> firmware can make sector size look like 512 bytes. I know fdisk can
> handle up to 2 TB; this limit is not just for BSD but Linux too.
> Western Digital has come out with a SATA hard drive of 3 TB.
Sure. FreeBSD supports installing to and booting from GPT labeled disks that
don't suffer from the 2TB size limitation that fdisk imposes. The caveat is
that very few systems have a BIOS that can boot from a GPT labeled drive. So
regardless of your OS, you may still have issues.
It's worth noting that RAID arrays have been larger than 2 TB for years, and
the way RAID cards have gotten around the issue is to carve off a chunk of the
array and present it to the OS as a small boot LUN.
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