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Date: Wed, 9 Dec 2009 10:49:12 +0100
From: Christian Borntraeger <borntraeger@...ibm.com>
To: dm-devel@...hat.com
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: todays git regression (2.6.32-04008.g3ff6a46): lot of device mapper warnings
Hi,
with todays git I got a huge amount of warnings for device mapper:
device-mapper: uevent: version 1.0.3
device-mapper: ioctl: 4.15.0-ioctl (2009-04-01) initialised: dm-devel@...hat.com
device-mapper: table: 252:0: target device dasdf1 is misaligned: physical_block_size=4096, logical_block_size=4096, alignment_offset=0, start=196608
device-mapper: table: 252:0: target device dasde1 is misaligned: physical_block_size=4096, logical_block_size=4096, alignment_offset=0, start=196608
device-mapper: table: 252:0: target device dasdf1 is misaligned: physical_block_size=4096, logical_block_size=4096, alignment_offset=0, start=196608
device-mapper: table: 252:0: target device dasde1 is misaligned: physical_block_size=4096, logical_block_size=4096, alignment_offset=0, start=196608
device-mapper: table: 252:1: target device dasdf1 is misaligned: physical_block_size=4096, logical_block_size=4096, alignment_offset=0, start=5368905728
device-mapper: table: 252:1: target device dasde1 is misaligned: physical_block_size=4096, logical_block_size=4096, alignment_offset=0, start=5368905728
device-mapper: table: 252:1: target device dasdf1 is misaligned: physical_block_size=4096, logical_block_size=4096, alignment_offset=0, start=5368905728
device-mapper: table: 252:1: target device dasde1 is misaligned: physical_block_size=4096, logical_block_size=4096, alignment_offset=0, start=5368905728
device-mapper: table: 252:2: target device dasdf1 is misaligned: physical_block_size=4096, logical_block_size=4096, alignment_offset=0, start=6979518464
device-mapper: table: 252:2: target device dasde1 is misaligned: physical_block_size=4096, logical_block_size=4096, alignment_offset=0, start=6979518464
device-mapper: table: 252:2: target device dasdf1 is misaligned: physical_block_size=4096, logical_block_size=4096, alignment_offset=0, start=6979518464
device-mapper: table: 252:2: target device dasde1 is misaligned: physical_block_size=4096, logical_block_size=4096, alignment_offset=0, start=6979518464
device-mapper: table: 252:3: target device dasdf1 is misaligned: physical_block_size=4096, logical_block_size=4096, alignment_offset=0, start=7189233664
[...]
But the system seems to work fine.
The same devices produce no warning with a 2.6.32 vanilla kernel.
[root@...lp34 ~]# pvdisplay
--- Physical volume ---
PV Name /dev/dasdf1
VG Name space
PV Size 22.49 GB / not usable 2.28 MB
Allocatable yes
PE Size (KByte) 4096
Total PE 5758
Free PE 3
Allocated PE 5755
PV UUID Uocvlz-I6wv-JtLH-8W5L-ziib-pP7h-4Qdzgz
--- Physical volume ---
PV Name /dev/dasde1
VG Name space
PV Size 22.49 GB / not usable 2.28 MB
Allocatable yes
PE Size (KByte) 4096
Total PE 5758
Free PE 15
Allocated PE 5743
PV UUID UuM16H-GUdC-gfA3-3yvE-c5Af-UVPW-Cfe2no
--- Physical volume ---
PV Name /dev/dasdd1
VG Name space
PV Size 4.59 GB / not usable 3.38 MB
Allocatable yes (but full)
PE Size (KByte) 4096
Total PE 1173
Free PE 0
Allocated PE 1173
PV UUID 800CzR-0hjD-lL6Z-yQPt-vRcl-WlYp-cUtZwJ
--- Physical volume ---
PV Name /dev/dasdc1
VG Name space
PV Size 4.59 GB / not usable 3.38 MB
Allocatable yes
PE Size (KByte) 4096
Total PE 1173
Free PE 12
Allocated PE 1161
PV UUID hG8bJE-xYJL-eo0N-tsD5-kdcH-AONB-FGdtAK
[root@...lp34 ~]# vgdisplay
--- Volume group ---
VG Name space
System ID
Format lvm2
Metadata Areas 4
Metadata Sequence No 96
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 65
Open LV 4
Max PV 0
Cur PV 4
Act PV 4
VG Size 54.15 GB
PE Size 4.00 MB
Total PE 13862
Alloc PE / Size 13832 / 54.03 GB
Free PE / Size 30 / 120.00 MB
VG UUID AcRPg8-6DaJ-ND6i-s3H7-Sh5V-8KWa-KtKRmv
View attachment "lvdisplay.txt" of type "text/plain" (49480 bytes)
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