Mailinglist Archive: opensuse (1695 mails)

["Brian K. White" <brian@xxxxxxxxx>]

----- Original Message ----- 
From: "James D. Parra" <Jamesp@xxxxxxxxxxxxxxxx>
To: "'Suse (E-mail)'" <opensuse@xxxxxxxxxxxx>
Sent: Monday, September 29, 2008 1:47 PM
Subject: RE: [opensuse] 2 TB RAID5 limit


> > > Perhaps you are confused and talking about the 2TB limit of 
> > > any single 
> > > partition in an msdos disklabel?
> > >
> > > GPT disklabels have no such limit, and you can create a gpt 
> > > disklabel in 
> > > parted manually at the command line from the opensuse 
> > > installer, but the 
> > > grub 0.97 in opensuse won't boot from it (neither do some 
> > > motherboard bios's 
> > > so you better try with ubuntu or something first.)
> > >
> > > Grub2 understands GPT, but I have found no convenient way to 
> > > get opensuse 
> > > installed wirth a GPT disklabel and grub2. Ubuntu can.
> > I have an Adaptec card with 8 1TB drives set as raid 50 = 5.4 TB. Setting
> > the disk label to GPT looks interesting; how do I accomplish that? 
> >
> > The OS (Suse 10.3) is on a separate system drive so I don't need to boot
> > from the raid. 
> >
> > Thank you,
> >
> > ~James
>
> Have a look at this article.
> http://www.unixgods.org/~tilo/linux_larger_2TB.html
> succes, Hans
>
> ~~~~~~~~~~~~~
>
> Thanks Hans, excellent article. Did the following;
>
> parted /dev/sdb
> GNU Parted 1.8.7
> Using /dev/sdb
> Welcome to GNU Parted! Type 'help' to view a list of commands.
> (parted) mklabel gpt
> (parted) print
> Model: Adaptec RAID50 (scsi)
> Disk /dev/sdb: 6000GB
> Sector size (logical/physical): 512B/512B
> Partition Table: gpt
>
> Number  Start  End  Size  File system  Name  Flags
>
> (parted) mkpart primary xfs 0 6000GB
> (parted) print
> Model: Adaptec RAID50 (scsi)
> Disk /dev/sdb: 6000GB
> Sector size (logical/physical): 512B/512B
> Partition Table: gpt
>
> Number  Start   End     Size    File system  Name     Flags
> 1      17.4kB  6000GB  6000GB               primary  , , , , , , , , , , ,
> <snip>
>
> At this point from Yast I formatted the partition with XFS;
>
> (parted)
> parted /dev/sdb print
> Model: Adaptec RAID50 (scsi)
> Disk /dev/sdb: 6000GB
> Sector size (logical/physical): 512B/512B
> Partition Table: gpt
>
> Number  Start   End     Size    File system  Name     Flags
> 1      17.4kB  6000GB  6000GB  xfs          primary  , , , , , , , , , , ,
> <snip>
>
> Does this look right? "df -s" shows the partition as;
>
> Filesystem            Size  Used Avail Use% Mounted on
> /dev/sdb1             5.5T  1.1M  5.5T   1% /data
>
> Thanks again, 
>
> ~James

Looks correct, but, why did you even bother with a disklabel
or a partition at all in this case?

-- 
Brian K. White    brian@xxxxxxxxx    http://www.myspace.com/KEYofR
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