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Re: [lvm-devel] cache support



On Mar 28, 2014, at 8:43 PM, Paul B. Henson wrote:

> On Fri, Mar 28, 2014 at 06:38:41PM -0700, Paul B. Henson wrote:
> 
>> So I updated to the latest 3.13.7 kernel and decided to try and spin up my
>> thin pool. The first couple steps went well:
>> 
>> # lvcreate -l 945908 -n thinpool vg_vz /dev/md3
>>  Logical volume "thinpool" created
>> 
>> # lvcreate -L 2.5G -n thinpool_metadata vg_vz /dev/md2
>>  Logical volume "thinpool_metadata" created
>> 
>> But lvconvert seems to have gone sideways:
>> 
>> # lvconvert --thinpool vg_vz/thinpool --poolmetadata thinpool_metadata
>>  device-mapper: remove ioctl on  failed: Device or resource busy
>>  Logical volume "lvol0" created
>>  device-mapper: reload ioctl on  failed: Invalid argument
>>  Failed to activate pool logical volume vg_vz/thinpool.
> 
> I also just noticed the kernel logged some complaints too when I tried to run
> the lvconvert:
> 
> Mar 28 17:59:03 virtz kernel: [82813.713227] device-mapper: table: 253:26: thin-pool: Invalid block size
> Mar 28 17:59:03 virtz kernel: [82813.713232] device-mapper: ioctl: error adding target to table
> 
> 
> Mar 28 18:11:38 virtz kernel: [83568.730506] device-mapper: table: 253:26: thin-pool: Invalid block size
> Mar 28 18:11:38 virtz kernel: [83568.730510] device-mapper: ioctl: error adding target to table

What version of LVM are you using?

 brassow



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