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Red Hat Bugzilla – Attachment 574829 Details for
Bug 753105
[regression] 'lvremove' fails sometimes to remove snapshot volumes
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Quick & Dirty test snapshot script
test_snap.bash (text/plain), 908 bytes, created by
Scott Marshall
on 2012-04-03 11:20:40 UTC
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Description:
Quick & Dirty test snapshot script
Filename:
MIME Type:
Creator:
Scott Marshall
Created:
2012-04-03 11:20:40 UTC
Size:
908 bytes
patch
obsolete
>#!/bin/bash > >message() >{ > printf '%s\t%s\n' '=====' "${1}" >} > >SNAPROOT=/snapfs >REALDIR=/var/log >SNAPDIR=${SNAPROOT}${REALDIR} >MY_VG=vg00 >MY_LV=lv_varlog >SNAP_LV=snap_varlog >JUNKFILE=${REALDIR}/random_garbage >message 'Creating snapshot' >lvcreate --size 128M --snapshot ${MY_VG}/${MY_LV} --name ${SNAP_LV} >lvs >message 'Mounting snapshot' >mount -o ro /dev/mapper/${MY_VG}-${SNAP_LV} ${SNAPDIR} >lvs >message 'df output BEFORE junkfile created' >df -h ${REALDIR} ${SNAPDIR} >message "Creating ${JUNKFILE}" >dd if=/dev/urandom of=${JUNKFILE} bs=10240 count=10240 >lvs >message 'df output AFTER junkfile created' >df -h ${REALDIR} ${SNAPDIR} >message "Removing ${JUNKFILE}" >rm -f ${REALDIR}/random_garbage >lvs >message 'df output AFTER junkfile erased' >df -h ${REALDIR} ${SNAPDIR} >message 'Dismounting snapshot' >umount ${SNAPDIR} >lvs >message 'Removing snapshot' >lvremove -f ${MY_VG}/${SNAP_LV} >lvs >message 'Test Completed'
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