In the tragic day I have done a halt command, but, as usual, never
finished as btrfs freezes before umount. I waited almost 5 minutes and
then pressed the power button.
The struct of the machine was very similar with the machine listed below.
--- Physical volume ---
PV Name /dev/sda
VG Name specchio
PV Size 465.76 GiB / not usable 12.02 MiB
Allocatable yes (but full)
PE Size 128.00 MiB
Total PE 3726
Free PE 0
Allocated PE 3726
PV UUID YpNYXY-AI1i-1D8D-9BAa-1DeY-hWNL-ZOtBIh
--- Physical volume ---
PV Name /dev/sdb1
VG Name specchio
PV Size 931.51 GiB / not usable 11.19 MiB
Allocatable yes
PE Size 128.00 MiB
Total PE 7452
Free PE 24
Allocated PE 7428
PV UUID G1mWRL-I7zx-bwbi-zYe8-tc2q-DrtD-tH6jIi
--- Physical volume ---
PV Name /dev/sdd
VG Name specchio
PV Size 931.51 GiB / not usable 13.71 MiB
Allocatable yes (but full)
PE Size 128.00 MiB
Total PE 7452
Free PE 0
Allocated PE 7452
PV UUID TWCEea-UURq-8HbM-NgkC-2J3Y-1qYE-TN7vud
--- Physical volume ---
PV Name /dev/sdc
VG Name specchio
PV Size 1.36 TiB / not usable 15.40 MiB
Allocatable yes
PE Size 128.00 MiB
Total PE 11178
Free PE 11024
Allocated PE 154
PV UUID hUbv4T-2Q0i-plGb-EO6a-2vAo-uHwj-Vda8zz
--- Volume group ---
VG Name specchio
System ID
Formatlvm2
Metadata Areas4
Metadata Sequence No 37
VG Access read/write
VG Status resizable
MAX LV0
Cur LV15
Open LV 15
Max PV0
Cur PV4
Act PV4
VG Size 3.64 TiB
PE Size 128.00 MiB
Total PE 29808
Alloc PE / Size 18760 / 2.29 TiB
Free PE / Size 11048 / 1.35 TiB
VG UUID AKxGo3-MVTJ-7XdC-GeTW-23e8-5Ee2-HY2PZ0
Gustavo Junior Alves
On Fri, Feb 26, 2010 at 6:10 PM, Chris Mason chris.ma...@oracle.com wrote:
On Fri, Feb 26, 2010 at 04:57:27PM -0300, Gustavo Alves wrote:
In my case, kernel 2.6.32-0.51.rc7.git2.fc13.i686.PAE and BTRFS under LVM2.
Did you also have power-off based reboots? Depending on the
configuration LVM (anything other than a single drive) won't send barriers to
the device.
-chris
Gustavo Junior Alves
Specchio Soluções em TI
On Fri, Feb 26, 2010 at 1:15 PM, Chris Mason chris.ma...@oracle.com wrote:
On Fri, Feb 26, 2010 at 11:13:32AM -0500, Chris Mason wrote:
On Thu, Feb 25, 2010 at 03:28:19PM -0300, Gustavo Alves wrote:
I've got the same error before in a similar situation (24 partitions,
only two with problems). Unfortunally I erased all data after this
error. Strange that all I've done was shutdown and poweron the
machine.
Basically it looks like the tree of data checksums isn't right. Which
kernels were you running when you had these problems?
Sorry, I mixed up this corruption with one farther down. The same
question stands though, this error generally means that IO either didn't
happen or happened in the wrong place.
So, the more details you can give about your config the easier it will
be to nail it down.
-chris
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