[CentOS] LVM Input/output error

On Thu, 2006-07-06 at 15:36 +0300, itayf at nospammail.net wrote:
> Hi,
> 
> I recently installed centos for the first time and I like it!
> 
> Also, I just started working with lvm.  The following warnings 
> are genertated whenever I run one of lvm commands on the external 
> usb disk (MyBook by Western Digital).
> 
> * What could be the source for those messages?
> * Should I worry about them (writing into the created LV's
>    seems to work)?
> * If yes, how to fix them?
> 
> [root at frodo pilpel10]# uname -a
> Linux frodo 2.6.9-34.0.1.ELsmp #1 SMP Wed May 24 05:28:30 CDT 2006 x86_64 x86_64 x86_64 GNU/Linux
> 
> Using lvm2 2.02.01-1.3
> 
>  	Thanks in advance,
>  	Itay
> 
> <quote>
> [root at frodo pilpel10]# vgcreate VGe1 /dev/sdc2
I guess I ought to be more thoughtful about this. Is it partitioned?
Type 86(IIRC)? Have you reviewed any docs so that you understand the
complexity, options and necessities of this system?

>    /dev/dm-11: read failed after 0 of 4096 at 5242814464: Input/output error
>    /dev/dm-11: read failed after 0 of 4096 at 0: Input/output error
>    /dev/dm-12: read failed after 0 of 4096 at 54460416: Input/output error
>    /dev/dm-12: read failed after 0 of 4096 at 0: Input/output error
>    /dev/dm-13: read failed after 0 of 4096 at 216895782912: Input/output error
>    /dev/dm-13: read failed after 0 of 4096 at 0: Input/output error
>    /dev/dm-14: read failed after 0 of 4096 at 61203218432: Input/output error
>    /dev/dm-14: read failed after 0 of 4096 at 0: Input/output error
>    /dev/dm-11: read failed after 0 of 4096 at 5242814464: Input/output error
>    /dev/dm-11: read failed after 0 of 4096 at 0: Input/output error
>    /dev/dm-12: read failed after 0 of 4096 at 54460416: Input/output error
>    /dev/dm-12: read failed after 0 of 4096 at 0: Input/output error
>    /dev/dm-13: read failed after 0 of 4096 at 216895782912: Input/output error
>    /dev/dm-13: read failed after 0 of 4096 at 0: Input/output error
>    /dev/dm-14: read failed after 0 of 4096 at 61203218432: Input/output error
>    /dev/dm-14: read failed after 0 of 4096 at 0: Input/output error
>    Volume group "VGe1" successfully created
> [root at frodo pilpel10]# pvscan
>    /dev/dm-11: read failed after 0 of 4096 at 5242814464: Input/output error
>    /dev/dm-11: read failed after 0 of 4096 at 0: Input/output error
>    /dev/dm-12: read failed after 0 of 4096 at 54460416: Input/output error
>    /dev/dm-12: read failed after 0 of 4096 at 0: Input/output error
>    /dev/dm-13: read failed after 0 of 4096 at 216895782912: Input/output error
>    /dev/dm-13: read failed after 0 of 4096 at 0: Input/output error
>    /dev/dm-14: read failed after 0 of 4096 at 61203218432: Input/output error
>    /dev/dm-14: read failed after 0 of 4096 at 0: Input/output error
>    PV /dev/sdc2   VG VGe1   lvm2 [296.13 GB / 296.13 GB free]
>    PV /dev/sda2   VG VG00   lvm2 [232.78 GB / 1.78 GB free]
>    Total: 2 [528.91 GB] / in use: 2 [528.91 GB] / in no VG: 0 [0   ]
> [root at frodo pilpel10]# lvcreate -L 202G -n LVbiogateBAK_home VGe1
>    /dev/dm-11: read failed after 0 of 4096 at 0: Input/output error
>    /dev/dm-12: read failed after 0 of 4096 at 0: Input/output error
>    /dev/dm-13: read failed after 0 of 4096 at 0: Input/output error
>    /dev/dm-14: read failed after 0 of 4096 at 0: Input/output error
>    Logical volume "LVbiogateBAK_home" created
> </quote>
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-- 
Bill
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