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Can't mount on a Centos6 DL380G4 SmartArray > Raid 0 
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Joined: Wed Aug 17, 2011 15:59
Posts: 3
Post Can't mount on a Centos6 DL380G4 SmartArray > Raid 0
Hi all
I'm newbie on Linux world, but I follow many forums intructions to try to solve this issue, but no lucky yet.
My setup is a HP DL380G4 with SmartArray. In boot (hardware setup) I config my disks in this way:
first disk -> one 72Gb as Raid0 (only way on menu) for CentosOS install

remain disks - 5x146Gb as Raid0 (not active at install time to avoid any mess) for Storage/iSCSI.

After install Centos6 and update it, I setup my StorageDisks (around 700Gb) with fdisk and set up it to id7 (NTFS) - this is my " fdisk -l " output (only the Storage part):

-------------------------------

Disk /dev/cciss/c0d1: 734.1 GB, 734054440960 bytes
255 heads, 63 sectors/track, 89243 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xf80f0dee

Device Boot Start End Blocks Id System
/dev/cciss/c0d1p1 1 89243 716844366 7 HPFS/NTFS

-------------------------------

After config iSCSI target, I mount it on a Windows PC (LAN>iSCSI initiator) - format it (quick format NTFS), copy files on it, in others PCs I can read, delete and copy files. Everything looks working, but on Centos side I cant mount it (on the machine where it's fitted - DL380G4).

I get this error with bellow command:

ntfs-3g /dev/cciss/c0d1p1 /mnt/PROJECTS

NTFS signature is missing.
Failed to mount '/dev/cciss/c0d1p1': Invalid argument
The device '/dev/cciss/c0d1p1' doesn't seem to have a valid NTFS.
Maybe the wrong device is used? Or the whole disk instead of a
partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around?

-------------------


change to c0d1 is the same...

Any idea whats happening or how can I fix that?

Kind regards

Antonio


Wed Aug 17, 2011 16:26
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Joined: Wed Aug 17, 2011 15:59
Posts: 3
Post Re: Can't mount on a Centos6 DL380G4 SmartArray > Raid 0
A new report:

Just to check, I plug a 2Tb USB external Disk to my server (DL380G4)

I mount it with:

ntfs-3g /dev/sda1 /mnt/ExtDISK2Tb

and this works fine... can read and write files in Centos...

Going crazy - maybe a raid0 conflict with ntfs-3g?


still trying...

regards

Antonio


Wed Aug 17, 2011 19:54
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Joined: Wed Aug 17, 2011 15:59
Posts: 3
Post Re: Can't mount on a Centos6 DL380G4 SmartArray > Raid 0
New update:

Now I add to this setup a Centos5.4 DL160 machine.
Install and setup iSCSI initiator and ntfs-3g.
In this machine I can mount NTFS using sdb1 dev (added by iSCSI initiator)

But the problem now relies on update/refresh data on disk...

I mean:

on DL160 I can read previous files created by Windows PC.
Write a simple text file, and read and modify it on CEntos (using nano and cat)

On WinPC side I can't see this text file...
On WinPC I copy a 200Gb TIFF file and can ready it normally.

On Centos I can't see TIFF file.
But if I unmount and mount sdb1 I can see TIFF but lose text file made by Centos.

Someone can help me to solve this?

kind regards

Antonio


Thu Aug 18, 2011 17:02
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NTFS-3G Lead Developer

Joined: Tue Sep 04, 2007 17:22
Posts: 1286
Post Re: Can't mount on a Centos6 DL380G4 SmartArray > Raid 0
Hi,

Quote:
On Centos I can't see TIFF file.
But if I unmount and mount sdb1 I can see TIFF but lose text file made by Centos.

Try mounting ntfs-3g with "sync" option. This could force the caches to device (with a significant negative impact on throughput).

Regards

Jean-Pierre


Thu Aug 18, 2011 17:40
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