Révision 49 bin/zfs-snapshot

zfs-snapshot (revision 49)
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#!/bin/bash
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# $Id$
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BINZFS="/sbin/zfs"
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BINZPOOL="/sbin/zpool"
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function create_snapshot_volume {


  		





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#*** ETAPE DE CREATION DU SNAPSHOT ***#


  		





  ......




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echo "*** Snapshot Creation from $NAME_VOL"


  		





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ZDATE=$(date +%Y%m%d%H%M%S)


  		





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/sbin/zfs snapshot $NAME_VOL@snapshot-$ZDATE


  		





  
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$BINZFS snapshot $NAME_VOL@snapshot-$ZDATE


  		





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echo ""


  		





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#*** FIN ETAPE DE CREATION DU SNAPSHOT ***#


  		





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}


  		





  ......




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echo ""


  		





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echo "*** Snapshot Creation from $NAME_VOL"


  		





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ZDATE=$(date +%Y%m%d%H%M%S)


  		





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/sbin/zfs snapshot $NAME_VOL@snapshot-$ZDATE


  		





  
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$BINZFS snapshot $NAME_VOL@snapshot-$ZDATE


  		





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echo ""


  		





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#*** FIN ETAPE DE CREATION DU SNAPSHOT ***#


  		





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}


  		





  ......




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function del_old_snapshot {


  		





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#*** ETAPE SUPPRESSION DES SNAPSHOTS OBSELETES ***#


  		





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echo ""


  		





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CPT_SNAP=$(/sbin/zfs list -t snapshot -r $NAME_VOL |cut -d" " -f1 |grep -i $NAME_VOL\@ |wc -l)


  		





  
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CPT_SNAP=$($BINZFS list -t snapshot -r $NAME_VOL |cut -d" " -f1 |grep -i $NAME_VOL\@ |wc -l)


  		





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echo "*** Le nombre de snapshot pour $NAME_VOL est : $CPT_SNAP"


  		





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/sbin/zfs list -t snapshot -r $NAME_VOL 


  		





  
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$BINZFS list -t snapshot -r $NAME_VOL 


  		





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if [ $CPT_SNAP -gt $NB_SNAP ]


  		





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then


  		





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   echo "*** Detection du snapshot le plus ancien"


  		





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   for ID_SNAP_OLDER in $(/sbin/zfs list -t snapshot -r $NAME_VOL |cut -d" " -f1 |grep -i $NAME_VOL\@)


  		





  
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   for ID_SNAP_OLDER in $($BINZFS list -t snapshot -r $NAME_VOL |cut -d" " -f1 |grep -i $NAME_VOL\@)


  		





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   do


  		





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      echo "*** Le snapshot le plus ancien est : $ID_SNAP_OLDER"


  		





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      break


  		





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   done


  		





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   /sbin/zfs destroy $ID_SNAP_OLDER


  		





  
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   $BINZFS destroy $ID_SNAP_OLDER


  		





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   if [ $? -eq 0 ]


  		





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   then


  		





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      echo "*** Suppression du snapshot $ID_SNAP_OLDER [OK]"


  		












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