On 04/08/2014 02:34 PM, Mike Copeland wrote:
Leland F Jackson, CPA wrote:
Anyone else build anything like a 28TB (or thereabouts) NAS box
using Linux? (Raid or no Raid)
Just curious if the 28TB size presents any unusual problems.
You will want a version of Linux that supports the GPT file system. I
think ext2 and ext3 file systems only support up to 2.2TB. GTP file
system support comes standard on Fedora 19, as well as most other
recently released OS(s).
http://www.ibm.com/developerworks/library/l-gpt/
Regards,
LelandJ
Thanks Leland, I was just reading up on Linux FSs...the ext4 seems to
handle over 100TB "without problems," although I'm still looking to
see if that is theoretical, or practical. I did see that ext4 has a
16TB limit with 4k blocks, not sure if that would be an issue with
streaming video files.
Most of the HOW-TOs I'm finding are focusing on 4TB or smaller NAS
boxes. Heck, I built one of those 6 years ago using RAID 5 and it's
still chugging!
I've also seen reference to the Btrfs file system. It seems to be a
successor to the ReiserFS, which was impressive the last time I looked
into it. Not familiar with GPT, but will look into it. Thanks!
Mike Copeland
The traditional MBR partitioning does not support volumes larger than
2.2TB. Using GPT, you can create a partition that uses the entire 4TB.
Once the partition is created, you will need to put the GPT file system
on it.
Regards,
LelandJ
[excessive quoting removed by server]
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