Can't create writecache LV
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
lvm2 (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
#lvconvert --type writecache --cachesettings 'low_watermark=0 high_watermark=10 writeback_
WARNING: Unrecognised segment type writecache
Invalid argument for --type: writecache
Error during parsing of command line.
lvm2 package was build without key --with-
#lvm version
LVM version: 2.03.07(2) (2019-11-30)
Library version: 1.02.167 (2019-11-30)
Driver version: 4.41.0
Configuration: ./configure --build=
#lsmod | grep dm_writecache
dm_writecache 36864 0
#lsb_release -rd
Description: Ubuntu 20.04 LTS
Release: 20.04
#apt-cache policy lvm2
lvm2:
Installed: 2.03.07-1ubuntu1
Candidate: 2.03.07-1ubuntu1
Version table:
*** 2.03.07-1ubuntu1 500
500 http://
100 /var/lib/
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: lvm2 2.03.07-1ubuntu1
ProcVersionSign
Uname: Linux 5.4.0-26-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckR
Date: Fri Apr 24 07:48:49 2020
InstallationDate: Installed on 2020-04-23 (0 days ago)
InstallationMedia: Ubuntu-Server 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: lvm2
UpgradeStatus: No upgrade log present (probably fresh install)
# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
cache ssd -wi-a----- <5.00g
data ssd -wi-a----- <10.00g
description: | updated |
Status changed to 'Confirmed' because the bug affects multiple users.