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From 2f090b4a2b649c30c649d36b9919e1d4a4f65c07 Mon Sep 17 00:00:00 2001
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From: Mike Fleetwood <mike.fleetwood@googlemail.com>
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Date: Mon, 11 Jun 2018 12:57:52 +0100
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Subject: [PATCH] Fix LVM2 PV shrinking with lvm2 2.02.171 and later (#1)
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Shrinking an LVM2 Physical Volume on CentOS 7 with the latest
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lvm2 2.02.177 fails like this:
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Shrink /dev/sda9 from 1.00 GiB to 768.00 MiB
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* calibrate /dev/sda9
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* check file system on /dev/sda9 for errors and (if possib...(SUCCESS)
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* shrink file system (ERROR)
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* lvm pvresize -v --setphysicalvolumesize 786432K '/dev/...(ERROR)
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0 physical volume(s) resized / 1 physical volume(s) not resized
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Wiping internal VG cache
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Wiping cache of LVM-capable devices
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/dev/sda9: Requested size 712.00 MiB is less than real size 1.00 GiB. Proceed? [y/n]:[n]
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Physical Volume /dev/sda9 not resized.
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This upstream change to lvm2 [1] makes pvresize prompt for confirmation
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whenever the --setphysicalvolumesize option is used. (The change was
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included in lvm2 2.02.171 and later, which is used in recent
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distributions. The reporter found the issue on Ubuntu 18.04 LTS and I
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reproduced the issue on RHEL/CentOS 7.5). The set size option has to be
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used when shrinking the PV before shrinking the partition therefore fix
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this issue by adding lvm common option --yes when using the set size
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option.
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[1] https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=cbc69f8c693edf0d1307c9447e2e66d07a04bfe9
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pvresize: Prompt when non-default size supplied.
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Closes #1 - Can't shrink LVM partition due to pvresize prompt
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---
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src/lvm2_pv.cc | 2 +-
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1 files changed, 1 insertions(+), 1 deletions(-)
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diff --git a/src/lvm2_pv.cc b/src/lvm2_pv.cc
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index 15af3eb..5f7c7bb 100644
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--- a/src/lvm2_pv.cc
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+++ b/src/lvm2_pv.cc
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@@ -102,7 +102,7 @@ bool lvm2_pv::resize( const Partition & partition_new, OperationDetail & operati
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{
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Glib::ustring size = "" ;
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if ( ! fill_partition )
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- size = " --setphysicalvolumesize " +
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+ size = " --yes --setphysicalvolumesize " +
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Utils::num_to_str( floor( Utils::sector_to_unit(
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partition_new .get_sector_length(), partition_new .sector_size, UNIT_KIB ) ) ) + "K " ;
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return ! execute_command( "lvm pvresize -v " + size + Glib::shell_quote( partition_new.get_path() ),
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--
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1.7.1
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