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

Daniel dragonheart at gentoo.org
Tue Feb 28 11:02:51 UTC 2006


Guessing the additional info didn't help and there is no easy way to reset the 
state.

I'm going to use spare space to create a new logical volume and move data 
across and delete the wacky vg-backup unless any other bright ideas arise 
soon.

Thanks to everyone who has thought about solutions/ causes to this and offered 
their time to help.

On Sat, 25 Feb 2006 04:30 pm, Daniel wrote:
> 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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