Hello,

I needed to expand the size of an LVM filesystem.  I successfully ran
vgextend and lvextend.  I have not yet resized the file system.  My
problem is that I added 1 too many volumes to the LV.  My question is, if
I run lvreduce, as follows:

        lvreduce -L -2340M /dev/xsg1/winxs_lv1

am I guaranteed that the logical extents at the end of the LV are the ones
that will be removed, i.e. the ones on device "/dev/dasdbk1" from the list
below.  Since I haven't yet done a filesystem resize, these extents are
unused.  I suspect that is the case but I can't find anything in writing
to verify it.


Below is the output of the "lvdisplay -v" command:


Thanks,
Hank Calzaretta
RR Donnelley Technology Services, Inc.


--- Logical volume ---
LV Name                /dev/xsg1/winxs_lv1
VG Name                xsg1
LV Write Access        read/write
LV Status              available
LV #                   1
# open                 1
LV Size                32.02 GB
Current LE             8197
Allocated LE           8197
Allocation             next free
Read ahead sectors     128
Block device           58:1

   --- Distribution of logical volume on 14 physical volumes  ---
   PV Name                  PE on PV     reads      writes
   /dev/dasdg1              586          24547852   1973778
   /dev/dasdh1              586          7748       137092
   /dev/dasdi1              586          500448     34685126
   /dev/dasdj1              586          15363459   1372778
   /dev/dasdq1              586          3031687    584205
   /dev/dasdr1              586          2271945    1515371
   /dev/dasds1              586          253867     1344031
   /dev/dasdbe1             585          0          0
   /dev/dasdbf1             585          0          0
   /dev/dasdbg1             585          0          0
   /dev/dasdbh1             585          0          0
   /dev/dasdbi1             585          0          0
   /dev/dasdbj1             585          0          0
   /dev/dasdbk1             585          0          0

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