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Subject: Re: LVM snapshot and log record CRC mismatch
References: <ab81e19cd6fce41f9d63cdd3695c80f7@assyoma.it>
	<20160524221205.GM21200@dastard>
From: Gionatan Danti <g.danti@assyoma.it>
Message-ID: <57455645.5040608@assyoma.it>
Date: Wed, 25 May 2016 09:37:41 +0200
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To: Dave Chinner <david@fromorbit.com>
Cc: Gionatan Danti <g.danti@assyoma.it>, xfs@oss.sgi.com

On 25/05/2016 00:12, Dave Chinner wrote:
>
> How did you take the snapshot? (full command lines, please)
>

The snapshot is accomplished using the following commands:

lvcreate -s hypervisor/KVM_Storage --name Backup_SNAP
lvchange -ay -K hypervisor/Backup_SNAP
mount -o nouuid /dev/hypervisor/Backup_SNAP /mnt/lvm/

As additional information, this is my logical volume setup (I am using 
thin provisioning):

[root@hypervisor ~]# lvs
   LV           VG         Attr       LSize  Pool         Origin Data% 
Move Log Cpy%Sync Convert
   000-ThinPool hypervisor twi-a-t---  1.75t                      42.42 

   KVM_Storage  hypervisor Vwi-aot---  1.70t 000-ThinPool         43.61 

   root         hypervisor -wi-ao---- 64.00g 

   swap         hypervisor -wi-ao----  7.73g


Thanks.

-- 
Danti Gionatan
Supporto Tecnico
Assyoma S.r.l. - www.assyoma.it
email: g.danti@assyoma.it - info@assyoma.it
GPG public key ID: FF5F32A8

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