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/*
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* Copyright ( C ) 2002 - 2004 Sistina Software , Inc . All rights reserved .
* Copyright ( C ) 2004 Red Hat , Inc . All rights reserved .
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*
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* This file is part of LVM2 .
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*
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* This copyrighted material is made available to anyone wishing to use ,
* modify , copy , or redistribute it subject to the terms and conditions
* of the GNU General Public License v .2 .
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*
* You should have received a copy of the GNU General Public License
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* along with this program ; if not , write to the Free Software Foundation ,
* Inc . , 59 Temple Place , Suite 330 , Boston , MA 02111 - 1307 USA
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*/
# include "tools.h"
const char _really_wipe [ ] =
" Really WIPE LABELS from physical volume \" %s \" of volume group \" %s \" [y/n]? " ;
/*
* Decide whether it is " safe " to wipe the labels on this device .
* 0 indicates we may not .
*/
static int pvremove_check ( struct cmd_context * cmd , const char * name )
{
struct physical_volume * pv ;
/* is the partition type set correctly ? */
if ( ( arg_count ( cmd , force_ARG ) < 1 ) & & ! is_lvm_partition ( name ) ) {
log_error ( " %s: Not LVM partition type: use -f to override " ,
name ) ;
return 0 ;
}
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/* Is there a pv here already? */
/* If not, this is an error unless you used -f. */
if ( ! ( pv = pv_read ( cmd , name , NULL , NULL , 1 ) ) ) {
if ( arg_count ( cmd , force_ARG ) )
return 1 ;
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log_error ( " Physical Volume %s not found " , name ) ;
return 0 ;
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}
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/* orphan ? */
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if ( is_orphan ( pv ) )
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return 1 ;
/* Allow partial & exported VGs to be destroyed. */
/* we must have -ff to overwrite a non orphan */
if ( arg_count ( cmd , force_ARG ) < 2 ) {
log_error ( " Can't pvremove physical volume \" %s \" of "
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" volume group \" %s \" without -ff " , name , pv_vg_name ( pv ) ) ;
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return 0 ;
}
/* prompt */
if ( ! arg_count ( cmd , yes_ARG ) & &
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yes_no_prompt ( _really_wipe , name , pv_vg_name ( pv ) ) = = ' n ' ) {
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log_print ( " %s: physical volume label not removed " , name ) ;
return 0 ;
}
if ( arg_count ( cmd , force_ARG ) ) {
log_print ( " WARNING: Wiping physical volume label from "
" %s%s%s%s " , name ,
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! is_orphan ( pv ) ? " of volume group \" " : " " ,
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! is_orphan ( pv ) ? pv_vg_name ( pv ) : " " ,
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! is_orphan ( pv ) ? " \" " : " " ) ;
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}
return 1 ;
}
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static int pvremove_single ( struct cmd_context * cmd , const char * pv_name ,
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void * handle __attribute ( ( unused ) ) )
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{
struct device * dev ;
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if ( ! lock_vol ( cmd , ORPHAN , LCK_VG_WRITE ) ) {
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log_error ( " Can't get lock for orphan PVs " ) ;
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return ECMD_FAILED ;
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}
if ( ! pvremove_check ( cmd , pv_name ) )
goto error ;
if ( ! ( dev = dev_cache_get ( pv_name , cmd - > filter ) ) ) {
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log_error ( " %s: Couldn't find device. Check your filters? " ,
pv_name ) ;
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goto error ;
}
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if ( ! dev_test_excl ( dev ) ) {
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log_error ( " Can't open %s exclusively - not removing. "
" Mounted filesystem? " , dev_name ( dev ) ) ;
goto error ;
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}
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/* Wipe existing label(s) */
if ( ! label_remove ( dev ) ) {
log_error ( " Failed to wipe existing label(s) on %s " , pv_name ) ;
goto error ;
}
log_print ( " Labels on physical volume \" %s \" successfully wiped " ,
pv_name ) ;
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unlock_vg ( cmd , ORPHAN ) ;
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return ECMD_PROCESSED ;
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error :
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unlock_vg ( cmd , ORPHAN ) ;
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return ECMD_FAILED ;
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}
int pvremove ( struct cmd_context * cmd , int argc , char * * argv )
{
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int i , r ;
int ret = ECMD_PROCESSED ;
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if ( ! argc ) {
log_error ( " Please enter a physical volume path " ) ;
return EINVALID_CMD_LINE ;
}
if ( arg_count ( cmd , yes_ARG ) & & ! arg_count ( cmd , force_ARG ) ) {
log_error ( " Option y can only be given with option f " ) ;
return EINVALID_CMD_LINE ;
}
for ( i = 0 ; i < argc ; i + + ) {
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r = pvremove_single ( cmd , argv [ i ] , NULL ) ;
if ( r > ret )
ret = r ;
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}
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return ret ;
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}