[Lustre-discuss] Which partition to choose for mkfs.lustre

[Gnanasekar Loganathan]

Thanks brain.!I'll try my best level and come back with good result.


Thanks,
Gnana




On Mon, Apr 27, 2009 at 6:04 PM, Brian J. Murrell <Brian.Murrell at sun.com>wrote:

> On Sat, 2009-04-25 at 16:44 +0530, Gnanasekar Loganathan wrote:
> > Hi Brain,
>
> Hi,
>
>
> > [root at SF_02 ~]# rpm -qa | grep e2fs
> > e2fsprogs-1.35-12.17.el4
> > e2fsprogs-devel-1.35-12.17.el4
> > e2fsprogs-1.40.11.sun1-0redhat
> > e2fsprogs-1.35-12.17.el4
>
> Why do you have 3 e2fsprogs packages installed?  How did you manage to
> do that?  If you used "rpm -i" rpm should have complained that you
> already had e2fsprogs installed and if you used "rpm -U" it should have
> installed e2fsprogs-1.40.11.sun1-0redhat and removed
> e2fsprogs-1.35-12.17.el4.
>
> >    Device Boot      Start         End      Blocks   Id  System
> > /dev/sda1   *        2550        5000    19687657+  83  Linux
> > /dev/sda2            5001        5383     3076447+  82  Linux swap
> >
> >
> > I have only a 2 partitions on my system.
>
> Yes.  /dev/sda1 and /dev/sda2
>
> > If i run the command
> >
> >
> > 'mkfs.lustre --mdt --mgs --fsname=large-fs /dev/sda'
> >
> >
> > the system will crash/corrupt.
>
> Of course it will.  You are overwriting /dev/sda1 and /dev/sda2 (which
> are your system and swap devices) doing this.  If you intend this
> machine to be an MDS, you need to format some other
> (than /dev/sda, /dev/sda1 or /dev/sda2) device.  I think perhaps you are
> not quite understanding the architecture of Lustre.  I think a review of
> the manual and probably the wiki will help you understand what the
> components of a Lustre system are and how to install them.
>
> b.
>
>
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>
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