software raid0 ntfs partitions missing dmraid

It looks like dmraid fails to recognize DOS (ntfs?) partitions as documented in /usr/share/doc/dmraid/KNOWN_BUGS

No, it recognizes dos partitions just fine. The problem here is that the name of the raid set is not null terminated, which causes the main device name to have all those spaces in it, which causes dmraid to fail to access it to scan for partitions. I believe there is already a patch for this upstream and so it will be merged in hardy heron.

Is there a way to have a fix in gutsy (eg. compiling dmraid myself) or
waiting for heron is the only option?

On 10/29/07, Phillip Susi <email address hidden> wrote:
>
> No, it recognizes dos partitions just fine. The problem here is that
> the name of the raid set is not null terminated, which causes the main
> device name to have all those spaces in it, which causes dmraid to fail
> to access it to scan for partitions. I believe there is already a patch
> for this upstream and so it will be merged in hardy heron.
>
>
> ** Changed in: dmraid (Ubuntu)
> Status: New => Triaged
>
> --
> software raid0 ntfs partitions missing dmraid
> https://bugs.launchpad.net/bugs/156189
> You received this bug notification because you are a direct subscriber
> of the bug.
>

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Is there a way to have a fix in gutsy (eg. compiling dmraid myself) or waiting for heron is the only option?

I got the same probleme since the 7.10 upgrade with raid1/ntfs/sata :
- ASUS A7N8X-E Deluxe ACPI BIOS Rev 1013
- Linux rene 2.6.22-14-generic #1 SMP Sun Oct 14 23:05:12 GMT 2007 i686 GNU/Linux

hernic@rene:~$ sudo mount -v -t ntfs -rw -o users,owner,rw,umask=000 /dev/mapper/sil_agabajcbcgfd1 /mnt/raid1

FUSE mount point creation failed
Unmounting /dev/mapper/sil_agabajcbcgfd1 (infosphere)

hernic@rene:~$ sudo fdisk -l

Disk /dev/sda: 251.0 GB, 251000193024 bytes
255 heads, 63 sectors/track, 30515 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0004f22c

   Device Boot Start End Blocks Id System
/dev/sda1 1 30515 245111706 fd Linux raid autodetect

Disk /dev/sdb: 251.0 GB, 251000193024 bytes
255 heads, 63 sectors/track, 30515 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0002cc33

   Device Boot Start End Blocks Id System
/dev/sdb1 1 30515 245111706 fd Linux raid autodetect

hernic@rene:~$ sudo mount
[sudo] password for hernic:
rootfs on / type rootfs (rw)
none on /sys type sysfs (rw,nosuid,nodev,noexec)
none on /proc type proc (rw,nosuid,nodev,noexec)
udev on /dev type tmpfs (rw)
fusectl on /sys/fs/fuse/connections type fusectl (rw)
/dev/disk/by-uuid/f0d9c0ed-9569-4171-a30f-36957e94ea19 on / type ext3 (rw,data=ordered)
/dev/disk/by-uuid/f0d9c0ed-9569-4171-a30f-36957e94ea19 on /dev/.static/dev type ext3 (rw,data=ordered)
tmpfs on /var/run type tmpfs (rw,nosuid,nodev,noexec)
tmpfs on /var/lock type tmpfs (rw,nosuid,nodev,noexec)
tmpfs on /lib/modules/2.6.22-14-generic/volatile type tmpfs (rw)
tmpfs on /dev/shm type tmpfs (rw)
devpts on /dev/pts type devpts (rw)[hernic@rene:~$ ls -al /mnt/raid1
total 8
drwxr-xr-x 2 root root 4096 Jan 18 2007 .
drwxr-xr-x 10 root root 4096 Jun 13 2007 ..
tmpfs on /var/run type tmpfs (rw,nosuid,nodev,noexec)
tmpfs on /var/lock type tmpfs (rw,nosuid,nodev,noexec)
securityfs on /sys/kernel/security type securityfs (rw)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,nosuid,nodev,noexec)

What is the solution ? please !

Nicolas

for information:

hernic@rene:~$ sudo dmraid -r
/dev/sda: sil, "sil_agabajcbcgfd", mirror, ok, 490232704 sectors, data@ 0
/dev/sdb: sil, "sil_agabajcbcgfd", mirror, ok, 490232704 sectors, data@ 0

thanx

Hernic, your issue is unrelated to this bug report. It looks like you have your disks setup all wrong because you are trying to use dmraid AND mdraid at the same time ( linux raid autodetect partition type ).

Thanx for this information,

mdraid wasn't installed .... strange.

I gonna try to resolve this with your information. Thanx again

On Dec 14, 2007 10:17 PM, Phillip Susi <email address hidden> wrote:

> Hernic, your issue is unrelated to this bug report. It looks like you
> have your disks setup all wrong because you are trying to use dmraid AND
> mdraid at the same time ( linux raid autodetect partition type ).
>
> --
> software raid0 ntfs partitions missing dmraid
> https://bugs.launchpad.net/bugs/156189
> You received this bug notification because you are a direct subscriber
> of the bug.
>

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This should have been fixed quite some time ago, if it is still an issue, update this bug.

This bug is occurring for me as well with a software raid5 on Ubuntu 9.04.

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Bug,

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Lyon Area, France

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