Re: [CentOS] LVM Input/output error

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On Sat, 2006-07-08 at 19:48 +0300, Itay wrote:

From: William L. Maltby <BillsCentOS@xxxxxxxxxxxx>


[snip]

> [root@frodo ~]# pvdisplay /dev/sdc2
>    /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
>    --- Physical volume ---
>    PV Name               /dev/sdc2
>    VG Name               VGe1
>    PV Size               296.13 GB / not usable 0
>    Allocatable           yes
>    PE Size (KByte)       4096
>    Total PE              75810
>    Free PE               24098
>    Allocated PE          51712
>    PV UUID               Ue56s5-nkax-csIU-6iBX-l4eb-hIJ1-nxJLgl


We are about to exceed my knowledge, as I have never used USB for
anything other than thumb drives on MS Win*. I believe I asked about
partitioning? If you do

    sfdisk -l /dev/sdc

what does it show? If you do a

   dd if=/dev/sdc2 of=/dev/null


[root@frodo ~]# sfdisk -l /dev/sdc

Disk /dev/sdc: 38913 cylinders, 255 heads, 63 sectors/track
Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0

   Device Boot Start     End   #cyls    #blocks   Id  System
/dev/sdc1   *      0+    254     255-   2048256    c  W95 FAT32 (LBA)
/dev/sdc2        255   38912   38658  310520385   83  Linux
/dev/sdc3          0       -       0          0    0  Empty
/dev/sdc4          0       -       0          0    0  Empty

** I note that the file system on /dev/sdc2 is 'Linux' and not 'Linux LVM'. This is what I got, eventhough I created it with
	parted /dev/sdc mkpart ...


[root@frodo ~]# dd if=/dev/sdc2 of=/dev/null
12747056+0 records in
12747056+0 records out

** The above output is after letting dd running for few minutes; after that I killed the process because I was afraid it will take it too long.


	Thank you for your help,
	Itay

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