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Re: formatting a 12.73 Tb disk on ROCKS 5.2



Doll, Margaret Ann wrote:
> I used the BIOS setting to create the raid system.  I couldn't format it,
> so I ran fdisk, deleted the partition and created a new partition.  The
> new partition with fdisk was approximately the same size as the original
> partition created by the BIOS.

Ok, I don't know what you mean by the BIOS setting - on what? Is this
attached to a server, or is this an "appliance"? If the former, do you
mean the firmware for an HBA?

At any rate, you *cannot* use fdisk to do anything with this. There are
hard-coded limits with fdisk - you *must* use either parted (which is user
surly, if not outright hostile) or gparted (the GUI version, which is,
well, ok). And you must specify that the partition table - there is no MBR
as we know it, for something this big - must be GPT, not MBR.

      mark
>
> On Thu, May 9, 2013 at 11:19 AM, <m roth 5-cent us> wrote:
>
>> Doll, Margaret Ann wrote:
>> > I have a raid-5, /dev/sda on a NAS node that has 12.73 Tb of space.
>> >
>> > mkfs xfs /dev/sda1
>> > mke2fs 1.39 (29-May-2006)
>> > mkfs.ext2: invalid blocks count - /dev/sda1
>> >
>>
>> Question 1: Margaret - did you use parted or gparted, or fdisk, or some
>> NAS utility to create the logical partition? If anything other than an
>> HBA
>> controller, you've cannot use fdisk, which cannot deal with anything
>> larger than 2TB.
>>
>>         mark
>>
>> > I can use
>> >
>> > mkfs.ext3 /dev/sda1 works, but it only formats the first 2Tb of space.
>> >
>> > filesystem            Size  Used Avail Use% Mounted on
>> > /dev/sdb1              19G  2.8G   16G  16% /
>> > /dev/sdb5             875G  200M  830G   1% /state/partition
>> > /dev/sdb2             4.8G  184M  4.4G   5% /var
>> > tmpfs                 3.9G     0  3.9G   0% /dev/shm
>> > /dev/sda1             2.0T  199M  1.9T   1% /bigdisk1
>> >
>> > How do I get the complete raid system formatted?
>> >
>> > Thanks
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