CentOS - Oct 2011 - read failed after messages of non existing harddisks

Hi,

some time ago I removed some physical disks from a server and now I'm
still getting dmesg messages like:

sd 0:2:2:0: SCSI error: return code = 0x00040001
end_request: I/O error, dev sdc, sector 0

And all lvm tools still grumbel about that disks too:

/dev/sdb: read failed after 0 of 4096 at 0: Eingabe-/Ausgabefehler
  /dev/sdb: read failed after 0 of 4096 at 1746969493504:
Eingabe-/Ausgabefehler


How may I tell the lvm and the system, that it is ok that this disk do
not exist any more?

	Thnaks for hints and suggestion . G?tz
-- 
G?tz Reinicke
IT-Koordinator

Tel. +49 7141 969 420
Fax  +49 7141 969 55 420
E-Mail goetz.reinicke at filmakademie.de

Filmakademie Baden-W?rttemberg GmbH
Akademiehof 10
71638 Ludwigsburg
www.filmakademie.de

Eintragung Amtsgericht Stuttgart HRB 205016

Vorsitzender des Aufsichtsrats:
J?rgen Walter MdL
Staatssekret?r im Ministerium f?r Wissenschaft,
Forschung und Kunst Baden-W?rttemberg

Gesch?ftsf?hrer:
Prof. Thomas Schadt

Le ven 28 oct 2011 14:08:50 CEST, G?tz Reinicke a ?crit:
> Hi,
> 
> some time ago I removed some physical disks from a server and now I'm
> still getting dmesg messages like:
> 
> sd 0:2:2:0: SCSI error: return code = 0x00040001
> end_request: I/O error, dev sdc, sector 0
> 
> And all lvm tools still grumbel about that disks too:
> 
> /dev/sdb: read failed after 0 of 4096 at 0: Eingabe-/Ausgabefehler
>   /dev/sdb: read failed after 0 of 4096 at 1746969493504:
> Eingabe-/Ausgabefehler
> 
> 
> How may I tell the lvm and the system, that it is ok that this disk do
> not exist any more?
If a software RAID has been removed, don't forget :
  mdadm --misc --zero-superblock /dev/sdX 
where sdX is every disk that was part of the RAID.


-- 
Philippe Naudin
UMR MISTEA : Math?matiques, Informatique et STatistique pour 
l'Environnement et l'Agronomie
INRA, b?timent 29   -   2 place Viala   -   34060 Montpellier cedex 2
t?l: 04.99.61.26.34, fax: 04.99.61.29.03, m?l: naudin at supagro.inra.fr

Before you physically removed the disk, you were supposed to have done pvremove.
you can try pvdisplay/pvscan and see if these disks are displayed there, before
trying a pvremove on them again.
I assume the said disks were properly remove from any lv,vg that you had.



----- Original Message -----
From: G?tz Reinicke <goetz.reinicke at filmakademie.de>
To: CentOS mailing list <centos at centos.org>
Cc: 
Sent: Friday, October 28, 2011 8:08 AM
Subject: [CentOS] read failed after messages of non existing harddisks

Hi,

some time ago I removed some physical disks from a server and now I'm
still getting dmesg messages like:

sd 0:2:2:0: SCSI error: return code = 0x00040001
end_request: I/O error, dev sdc, sector 0

And all lvm tools still grumbel about that disks too:

/dev/sdb: read failed after 0 of 4096 at 0: Eingabe-/Ausgabefehler
? /dev/sdb: read failed after 0 of 4096 at 1746969493504:
Eingabe-/Ausgabefehler


How may I tell the lvm and the system, that it is ok that this disk do
not exist any more?

??? Thnaks for hints and suggestion . G?tz
-- 
G?tz Reinicke
IT-Koordinator

Tel. +49 7141 969 420
Fax? +49 7141 969 55 420
E-Mail goetz.reinicke at filmakademie.de

Filmakademie Baden-W?rttemberg GmbH
Akademiehof 10
71638 Ludwigsburg
www.filmakademie.de

Eintragung Amtsgericht Stuttgart HRB 205016

Vorsitzender des Aufsichtsrats:
J?rgen Walter MdL
Staatssekret?r im Ministerium f?r Wissenschaft,
Forschung und Kunst Baden-W?rttemberg

Gesch?ftsf?hrer:
Prof. Thomas Schadt


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