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Big issue with storage and file system




Posted by HAMID1993, 02-08-2015, 12:14 PM
Hello guys i have big problem with installation of my server my problem is i have 12 x 4 tb sata about 48 TB in total with hardware raid my problem is i want to install centos 6 my problem is ext4 doesn't support more than 16 TB of space i want to use xfs but also its not supported by centos 6 any idea how to create / partition with full 48 tb ??in centos 6.5

Posted by gzoli, 02-08-2015, 01:48 PM
http://en.wikipedia.org/wiki/Ext4 The ext4 filesystem can support volumes with sizes up to 1 exbibyte (EiB) and files with sizes up to 16 tebibytes (TiB).[9]

Posted by HAMID1993, 02-08-2015, 02:38 PM
I already read this but it is not true see the picture attached Attached Thumbnails  

Posted by gzoli, 02-08-2015, 03:05 PM
If you use 32bit os, your limit 16TB.

Posted by alanwoo, 02-08-2015, 03:41 PM
Ext4 can support beyond 16TB, however the tools that use to format the ext4 is not update to date yet. For more information, please see the following website: http://blog.ronnyegner-consulting.de...it-now-solved/

Posted by Mark-Hall, 02-08-2015, 05:47 PM
First of all it seems you have a lot of problems Secondly, I am not sure if using 12 drives on Raid0 is a good idea. You know if one of your drives fails you will loose all of your data?

Posted by HAMID1993, 02-08-2015, 09:17 PM
i'm using raid6 not 0 !!

Posted by vastspace, 02-08-2015, 09:45 PM
Hope this link is useful : https://access.redhat.com/articles/rhel-limits

Posted by shahzaibcw, 02-09-2015, 07:44 AM
Is there any reason you don't go with centos-7? It supports XFS filesystem which will let you expand HDD size upto exbibytes.

Posted by net, 02-09-2015, 08:01 AM
Running centos with 64bit can handle that. You need to use GPT in order to partition it. Moved > Hosting Security and Technology.

Posted by YUPAPA, 02-09-2015, 09:04 AM
Are you making your root FS to be 48T or whatever that you get from raid6? I guess that would be a pain when it comes to fsck

Posted by HAMID1993, 02-09-2015, 09:26 AM
Hi i already used x86_64 how to do that ?

Posted by HAMID1993, 02-09-2015, 09:30 AM
because cpanel doesn't support it yet !



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