I am testing some kickstarts on ESXi virtual machine with pair of 16GB disks.
Partitioning is lvm over raid.
If i am using "logvol --grow i get "ValueError: not enough free space in
volume group"
Only workaround i can find is to add --maxsize=XXX where XXX is at least 640MB
less than available.
(10 extents or 320Mb per created logical volume)
Following snippet is failing with "DEBUG blivet: failed to set size: 640MB
short"
part raid.01 --size 512 --asprimary --ondrive=sda
part raid.02 --size 1 --asprimary --ondrive=sda --grow
part raid.11 --size 512 --asprimary --ondrive=sdb
part raid.12 --size 1 --asprimary --ondrive=sdb --grow
raid /boot --fstype="xfs" --device="md0" --level=RAID1 raid.01
raid.11
raid pv.01 --fstype="lvmpv" --device="md1" --level=RAID1 raid.02
raid.12
volgroup vg0 pv.01
logvol / --fstype="xfs" --grow --size=4096 --name=lvRoot
--vgname=vg0
logvol swap --fstype="swap" --size=2048 --name=lvSwap
--vgname=vg0
If i only add --maxsize=13164 everything is working.
(but after install i have 640MB in 20 Free PE in vg0, for details see "after
--maxsize install")
logvol / --fstype="xfs" --grow --size=4096 --name=lvRoot
--vgname=vg0
------changed to ----->
logvol / --fstype="xfs" --grow --size=4096 --name=lvRoot
--vgname=vg0 --maxsize=13164
Some interesting DEBUG lines :
> 15840MB lvmvg vg0 (26)
> vg0 size is 15840MB
> Adding vg0-lvRoot/4096MB to vg0
> vg vg0 has 11424MB free
should it be 11744 or there is 320MB overhead ?
> Adding vg0-lvSwap/2048MB to vg0
> vg vg0 has 9056MB free
320MB missing again, total of 640MB
> vg vg0: 9056MB free ; lvs: ['lvRoot', 'lvSwap']
nice, i have 9056MB free in vg0 (640MB short but still ... )
> 1 requests and 303 (9696MB) left in chunk
> adding 303 (9696MB) to 27 (vg0-lvRoot)
wtf, who is counting what !!
> failed to set size: 640MB short
Could anyone shed some light ?
P.S.
"after --maxsize install"
=========================
If i limit root logvol with --maxsize=13164, after installation i get 640MB of
free space (20 Free PE).
Missing 640Mb is free according to lvm :
[root@c7-pxe-install ~]# pvdisplay
--- Physical volume ---
PV Name /dev/md1
VG Name vg0
PV Size 15.49 GiB / not usable 22.88 MiB
Allocatable yes
PE Size 32.00 MiB
Total PE 495
>>>>>>>>>>Free PE 20<<<<<<<<<<<<
Allocated PE 475
PV UUID uBLBqQ-Tpao-yPVj-1FVA-488x-Bs0K-ebQOmI
And i can use it :
[root@c7-pxe-install ~]# lvextend -L +640M vg0/lvRoot
Extending logical volume lvRoot to 13.47 GiB
Logical volume lvRoot successfully resized
[root@c7-pxe-install ~]# xfs_growfs /
meta-data=/dev/mapper/vg0-lvRoot isize=256 agcount=4, agsize=841728
blks
= sectsz=512 attr=2,
projid32bit=1
= crc=0
data = bsize=4096 blocks=3366912, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=0
log =internal bsize=4096 blocks=2560, version=2
= sectsz=512 sunit=0 blks,
lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 3366912 to 3530752
[root@c7-pxe-install ~]# pvdisplay
--- Physical volume ---
PV Name /dev/md1
VG Name vg0
PV Size 15.49 GiB / not usable 22.88 MiB
Allocatable yes (but full)
PE Size 32.00 MiB
Total PE 495
Free PE 0
Allocated PE 495
PV UUID uBLBqQ-Tpao-yPVj-1FVA-488x-Bs0K-ebQOmI
[root@c7-pxe-install ~]#
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