Bug 172931

Summary: Using lvcreate --snapshot on a fresh installed x86_64 system cause massive filesystem corruption
Product: [Fedora] Fedora Reporter: molle.bestefich
Component: lvm2Assignee: LVM and device-mapper development team <lvm-team>
Status: CLOSED INSUFFICIENT_DATA QA Contact:
Severity: high Docs Contact:
Priority: medium    
Version: 4CC: agk, dwysocha, mbroz
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2008-03-09 20:40:35 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description Flags
Screenshot showing 'lvcreate --snapshot' and how things look afterwards none

Description molle.bestefich 2005-11-11 13:27:53 UTC 
Description of problem:
1. Burn-in tested the two 300 GB disks twice each.
2. Started Fedora Core 4 installation.
3. Used Disk Druid to create 3 MD RAID1 arrays:
  md0 --> 512MB /boot
  md1 --> 8GB swap
  md2 --> ~250GB LVM --> VolGroup0
4. On VolGroup0 I created one 20GB volume named Dom0Vol.
5. Finished Fedora Core 4 installation.
6. Started Konsole, entered:
  lvcreate --snapshot --name FC4_install --size 10g -pr /dev/VolGroup0/Dom0Vol
7. Done - now nothing works, most binaries yield "cannot execute binary file",
clicking anything on the desktop yields "ELF header not found" (or some such).


Additional info:
Hardware is a brand new HP DL145, with an added Silicon Image 3114 SATA
controller and two Maxtor 300 GB SATA MaxLine III harddrives.  Since installing
more than 5 GB of applications went without a glitch, and so did the initial
bootup of the system, I'm pretty sure that it's the 'lvcreate' I did that
screwed things up.


Reproduction recipe:
I'd rather not try and reproduce it :-).
I think I'll try Gentoo and EVMS instead, heh.
But let me know what you need to fix it if there's anything I can do before I
nuke it from the face of the earth..
Comment 1 molle.bestefich 2005-11-11 13:27:53 UTC 
Created attachment 120937 [details]
Screenshot showing 'lvcreate --snapshot' and how things look afterwards
Comment 2 Christian Iseli 2007-01-20 00:23:45 UTC 
This report targets the FC3 or FC4 products, which have now been EOL'd.

Could you please check that it still applies to a current Fedora release, and
either update the target product or close it ?

Thanks.
Comment 3 petrosyan 2008-03-09 20:40:35 UTC 
Fedora Core 4 is no longer maintained.

Setting status to "INSUFFICIENT_DATA". If you can reproduce this bug in the
current Fedora release, please reopen this bug and assign it to the
corresponding Fedora version.