[linux-lvm] lvextend - device-mapper: create ioctl failed: Device or resource busy\nFailed to suspend

[Daniel]

On Sat, 25 Feb 2006 02:17 pm, Zac Slade wrote:
> On Thursday 23 February 2006 06:45, Daniel wrote:
> > spider / # umount /backup/
>
> Shouldn't be needed.  You can resize the lvol while it's mounted. 

ok. good to know.

> Your 
> symptoms below look like the vg metadata may be out of sync.

I was hoping a vgscan would reset this.

> Are you 
> performing a pvmove or other LVM operations?
>

No other operation in progress. I dont' think i've done a pvmove either.

> > spider / # lvextend -L+60G vg/backup
> >   Extending logical volume backup to 110.00 GB
> >   device-mapper: create ioctl failed: Device or resource busy
> >   Failed to suspend backup
>
> Interesting....  You gave tons of other output below, but what would be
> really helpful is a vgdisplay -v vg and an lvdisplay vg/backup. 

spider ~ # vgdisplay -v vg
    Using volume group(s) on command line
    Finding volume group "vg"
  --- Volume group ---
  VG Name               vg
  System ID
  Format                lvm2
  Metadata Areas        3
  Metadata Sequence No  19
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                6
  Open LV               6
  Max PV                0
  Cur PV                3
  Act PV                3
  VG Size               253.23 GB
  PE Size               4.00 MB
  Total PE              64828
  Alloc PE / Size       37909 / 148.08 GB
  Free  PE / Size       26919 / 105.15 GB
  VG UUID               RWyOcE-8Fbs-cRWS-C4k5-Oo85-6OYt-Yf3mYN

  --- Logical volume ---
  LV Name                /dev/vg/home
  VG Name                vg
  LV UUID                qsHAy4-JbyK-ix2n-gA9h-yD4Z-kAgl-jlHXsU
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                20.00 GB
  Current LE             5120
  Segments               1
  Allocation             inherit
  Read ahead sectors     0
  Block device           254:5

  --- Logical volume ---
  LV Name                /dev/vg/var
  VG Name                vg
  LV UUID                woCb0X-lMj3-0g53-X8Sv-T1Es-4UPV-G19rDT
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                10.00 GB
  Current LE             2560
  Segments               1
  Allocation             inherit
  Read ahead sectors     0
  Block device           254:2

  --- Logical volume ---
  LV Name                /dev/vg/tmp
  VG Name                vg
  LV UUID                uHbozJ-j6Zv-N8dP-P8pE-tr9U-Td13-ustY6B
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                2.00 GB
  Current LE             512
  Segments               1
  Allocation             inherit
  Read ahead sectors     0
  Block device           254:0

  --- Logical volume ---
  LV Name                /dev/vg/media
  VG Name                vg
  LV UUID                U9C4XC-VunD-VtPP-PsJ0-YY68-2XTU-CGU2ZN
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                50.00 GB
  Current LE             12800
  Segments               1
  Allocation             inherit
  Read ahead sectors     0
  Block device           254:6

  --- Logical volume ---
  LV Name                /dev/vg/backup
  VG Name                vg
  LV UUID                vlW378-SXL7-hdko-W6Bs-uvBt-vIRa-fEqtVE
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                50.00 GB
  Current LE             12800
  Segments               1
  Allocation             inherit
  Read ahead sectors     0
  Block device           254:3

  --- Logical volume ---
  LV Name                /dev/vg/usr1
  VG Name                vg
  LV UUID                EPUD1t-sJfE-2w7L-Y6Dl-EbS0-uUdr-vlisTa
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                16.08 GB
  Current LE             4117
  Segments               1
  Allocation             inherit
  Read ahead sectors     0
  Block device           254:7

  --- Physical volumes ---
  PV Name               /dev/hdb3
  PV UUID               6zSraX-fdHS-7fFx-Ji8h-mE2u-BI5F-jI9fye
  PV Status             allocatable
  Total PE / Free PE    37909 / 4117

  PV Name               /dev/hda3
  PV UUID               dm64JZ-JadW-gNun-oEAK-oWC6-teLP-Itd8J5
  PV Status             allocatable
  Total PE / Free PE    11920 / 11920

  PV Name               /dev/hda4
  PV UUID               vnW9zi-bWGt-77uV-OMZA-pozZ-cZ6F-4rQwX1
  PV Status             allocatable
  Total PE / Free PE    14999 / 10882

spider ~ #  lvdisplay vg/backup
  --- Logical volume ---
  LV Name                /dev/vg/backup
  VG Name                vg
  LV UUID                vlW378-SXL7-hdko-W6Bs-uvBt-vIRa-fEqtVE
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                50.00 GB
  Current LE             12800
  Segments               1
  Allocation             inherit
  Read ahead sectors     0
  Block device           254:3

> You also 
> asked about removing vg/usr, however that lv only shows up in dmsetup
> table.

I managed to remove it with a 'dmsetup remove'

>
> Is there a snapshot being taken?  Is there an active snapshot volume? 

No. I've never played with snapshots.

> Sounds like the volume group is actually locked right now.

Anyway to reset this.? The state is persistant across reboots.

-- 
Daniel Black <dragonheart at gentoo.org>
Gentoo Crypto/dev-embedded/Forensics/NetMon
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