Am Montag, den 24.11.2008, 01:48 +0100 schrieb Bas Mevissen:
> Hi guys,
>
> The raid mirror set of our (co-located) production server is now badly
> broken. Luckily, I can fix it probably remotely using the IPMI module
> and a backup hard disk with a full system on it. But this should not
> have happened!
>
> I'm still investigating what went wrong. But I would like to announce it
> right now to avoid other people getting into the same or worse trouble.
> The package dmraid-1.0.0.rc13-14.el5_2.1.x86_64.rpm caused my raid set
> to be no longer activated during boot.
FYI: That release -14 had a regression I fixed in the -16 release.
Does that work any better on RHEL5 for you ?
Heinz
>
> Here is a log from a number of versions of dmraid in RHEL5 and Heinz'
> directory at redhat.com. Commands are taken from mkinitrd script.
>
> ### Prepare
> [root@beast dmraid]# ls /dev/mapper/
> control
> [root@beast dmraid]# /sbin/dmraid.static -ay -i -p -t 2>/dev/null | \
> egrep -iv "^no " | awk -F ':' '{ print $1 }'
> ddf1_EMCODEV_BEAST
>
> ### dmraid-1.0.0.rc13-4.el5.x86_64.rpm
> [root@beast dmraid]# ./dmraid.static_rc13-4.el5.x86_64 -ay -i -p \
> "ddf1_EMCODEV_BEAST"
> Segmentation fault
> [root@beast dmraid]# ./dmraid.static_rc13-4.el5.x86_64 -ay -i -p
> [root@beast dmraid]# ls /dev/mapper/
> control ddf1_EMCODEV_BEAST
> [root@beast dmraid]# ./dmraid.static_rc13-4.el5.x86_64 -an -i -p
> RAID set "ddf1_EMCODEV_BEAST(null)1" is not active
> RAID set "ddf1_EMCODEV_BEAST(null)2" is not active
> RAID set "ddf1_EMCODEV_BEAST(null)3" is not active
> RAID set "ddf1_EMCODEV_BEAST(null)4" is not active
>
> ### dmraid-1.0.0.rc13-9.el5.src.rpm
> [root@beast dmraid]# ./dmraid.static_rc13-9.el5.x86_64 -ay -i -p \
> "ddf1_EMCODEV_BEAST"
> No RAID sets and with names: "ddf1_EMCODEV_BEAST"
> [root@beast dmraid]# ./dmraid.static_rc13-9.el5.x86_64 -ay -i -p
> [root@beast dmraid]# ls /dev/mapper
> control ddf1_EMCODEV_BEAST
> [root@beast dmraid]# ./dmraid.static_rc13-9.el5.x86_64 -an -i -p
> RAID set "ddf1_EMCODEV_BEAST(null)1" is not active
> RAID set "ddf1_EMCODEV_BEAST(null)2" is not active
> RAID set "ddf1_EMCODEV_BEAST(null)3" is not active
> RAID set "ddf1_EMCODEV_BEAST(null)4" is not active
> [root@beast dmraid]# ls /dev/mapper/
> control ddf1_EMCODEV_BEAST
> [root@beast dmraid]# ./dmraid.static_rc13-9.el5.x86_64 -an -i
> RAID set "ddf1_EMCODEV_BEAST(null)1" is not active
> RAID set "ddf1_EMCODEV_BEAST(null)2" is not active
> RAID set "ddf1_EMCODEV_BEAST(null)3" is not active
> RAID set "ddf1_EMCODEV_BEAST(null)4" is not active
> [root@beast dmraid]# ls /dev/mapper/
> control ddf1_EMCODEV_BEAST
>
> (deactivated raid set with dmraid.static_rc13-4.el5.x86_64)
>
> ### dmraid-1.0.0.rc13-14.el5_2.1.x86_64.rpm
> [root@beast dmraid]# ./dmraid.static_rc13-14.el5_2.1 -ay -i -p \
> "ddf1_EMCODEV_BEAST"
> RAID set "ddf1_EMCODEV_BEAST" was not activated
> [root@beast dmraid]# ls /dev/mapper
> control
> [root@beast dmraid]# ./dmraid.static_rc13-14.el5_2.1 -ay -i -p
> RAID set "ddf1_EMCODEV_BEAST" was not activated
> [root@beast dmraid]# ls /dev/mapper
> control
>
> ### dmraid-1.0.0.rc15-1.fc9.x86_64.rpm
> [root@beast dmraid]# ./dmraid.static_rc15-1.fc9.x86_64 -ay -i -p
> "ddf1_EMCODEV_BEAST"
> RAID set "ddf1_EMCODEV_BEAST" was not activated
> [root@beast dmraid]# ./dmraid.static_rc15-1.fc9.x86_64 -ay -i -p
> RAID set "ddf1_EMCODEV_BEAST" was not activated
> [root@beast dmraid]# ls /dev/mapper/
> control
>
> Conclusion: none of these 4 versions work like they should. The
> dmraid-1.0.0.rc13-9.el5.x86_64.rpm was workable with a patch to mkinitrd
> to call dmraid without raid set name.
>
> Question: when calling "dmraid -an", shouldn't the -p command cause that
> it does not attempt to deactivate partitions?
>
> Attached is tar of dmraid -rD output. Please take a look at it.
>
> Regards,
>
> Bas.
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