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Re: Partitioning and allocating a logical disk....

On Monday 2009 January 05 14:47:28 Dov Oxenberg wrote:
> Hello Stephen,
> Thank you for taking the time to reply.
> The O/S is on a mirrored array, and the storage array is RAID5.

The math doesn't work on that.  You said 5x 72G disks, 2 in mirrored array.  
That leaves 3x 72G disks for the storage array.  In RAID-5 that's (3 - 1) * 
72G = 144G of storage.  In RAID-0 that's 3 * 72G = 216G.  You said you had 
200G of storage.

Now, the "access beyond end of device" error worries me.  I think that (at 
least) your storage array was created incorrectly or has become corrupt.

> The command I used to create the partition is exactly as you wrote
> "mkfs.ext3 /dev/cciss/c0d1p1"

That's the command you used to create the *filesystem*.  You probably created 
the *partition* with fdisk, gparted, or a similar tool.  The ADC might even 
let you do that.

partition != filesystem.  Most of my filesystems are not on partitions, most 
of my partitions do not hold filesystems.  Instead, most of my partitions are 
md component devices and most of my filesystems on are logical volumes.

> Indeed, I created a directory under /home and 
> named it "secureftp."  I want to mount just the "secureftp" directory. Is
> there something wrong with the command syntax I used?  I entered the
> command exactly as I wrote in my original e-mail.

You wrote "mount -t ext3 /dev/cciss/c0d1p1 /securedata".  If you want to mount 
the filesystem at /home/secureftp, you want to use the command "mount -t 
ext3 /dev/cciss/c0d1p1 /home/secureftp".  The second pathname argument to 
mount is the "mount point", the pathname tied to the root of the filesystem.

> Ok, so the system can't 
> find my target file system, would you please explain why so I may know
> where I went wrong and how I can fix it?

fsck.ext3 should be able to put the filesystem in a consistent state.  It may 
be able to salvage data as well, but I don't think you've written any data to 
the filesystem yet, right?

> Thanks

[snip: hard to read, poorly re-wordwrapped, unedited original mail.]

If your mail client can't quote correctly, please don't quote anything.  
However, it would be preferable for you use get a good client or learn how to 
use it and quote properly.  http://en.wikipedia.org/wiki/Posting_style talks 
about the different types.  While I prefer interleaved/replying inline, 
there's no mandated style on this list, AFAIK.  Whatever style you use, 
please trim irrelevant text.
Boyd Stephen Smith Jr.                     ,= ,-_-. =. 
bss@iguanasuicide.net                     ((_/)o o(\_))
ICQ: 514984 YM/AIM: DaTwinkDaddy           `-'(. .)`-' 
http://iguanasuicide.net/                      \_/     

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