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Old 07-24-2014, 10:59 AM   #1
MikeyCarter
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Registered: Feb 2003
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Distribution: Fedora
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Question Buffer I/O error on device dm-0


[ 7947.411100] quiet_error: 302 callbacks suppressed
[ 7947.411104] Buffer I/O error on device dm-0, logical block 8388592
[ 7947.417259] Buffer I/O error on device dm-0, logical block 8388606
[ 7947.423075] Buffer I/O error on device dm-0, logical block 0
[ 7947.428460] Buffer I/O error on device dm-0, logical block 1
[ 7947.433874] Buffer I/O error on device dm-0, logical block 8388607
[ 7947.438913] Buffer I/O error on device dm-0, logical block 8388607
[ 7947.443858] Buffer I/O error on device dm-0, logical block 8388607
[ 7947.448453] Buffer I/O error on device dm-0, logical block 8388607
[ 7947.453017] Buffer I/O error on device dm-0, logical block 8388607
[ 7947.457511] Buffer I/O error on device dm-0, logical block 8388607


[root@andromeda ~]# dmsetup info /dev/dm-0
Name: Raid-SWAP-missing_0_0
State: ACTIVE
Read Ahead: 0
Tables present: LIVE
Open count: 0
Event number: 0
Major, minor: 253, 0
Number of targets: 1
UUID: LVM-cMT37xI3NuSKcNxeRKwylu1lgZU7ki0zdFHdYOHEEjXWLFc3bGvDPyq3kwjuSRVT-missing_0_0


How do I deal with this?
 
Old 07-24-2014, 01:17 PM   #2
smallpond
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Not quite sure what this is. Is dm-0 an LVM linear map across multiple disks? How was it created?
 
Old 07-24-2014, 01:28 PM   #3
MikeyCarter
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Question

Quote:
Originally Posted by smallpond View Post
Not quite sure what this is. Is dm-0 an LVM linear map across multiple disks? How was it created?
Not sure since this is the working one:

[root@andromeda u4]# dmsetup info /dev/dm-1
Name: Raid-SWAP
State: ACTIVE
Read Ahead: 6144
Tables present: LIVE
Open count: 2
Event number: 0
Major, minor: 253, 1
Number of targets: 1
UUID: LVM-cMT37xI3NuSKcNxeRKwylu1lgZU7ki0zdFHdYOHEEjXWLFc3bGvDPyq3kwjuSRVT

I'm at a lose to figure out where it's coming from.
 
Old 07-24-2014, 02:06 PM   #4
MikeyCarter
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Managed to get rid of this by removing the Raid-SWAP. It deleted both dm-1 and dm-0 and the message is gone. Guess something glitched when I created the logical volume.
 
Old 08-30-2016, 01:25 PM   #5
zillur
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Registered: Apr 2015
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Hi there,
I have the same problem.
Code:
Managed to get rid of this by removing the Raid-SWAP.
How did you remove the Raid-SWAP.

Best Regards
Zillur
 
  


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