From: Gionatan Danti <g.danti@assyoma.it>
To: Emmanuel Florac <eflorac@intellique.com>
Cc: Gionatan Danti <g.danti@assyoma.it>, xfs@oss.sgi.com
Subject: Re: LVM snapshot and log record CRC mismatch
Date: Thu, 26 May 2016 13:17:04 +0200 [thread overview]
Message-ID: <5746DB30.5040006@assyoma.it> (raw)
In-Reply-To: <20160526122315.4112f713@harpe.intellique.com>
On 26/05/2016 12:23, Emmanuel Florac wrote:
> Le Wed, 25 May 2016 09:37:41 +0200
> Gionatan Danti <g.danti@assyoma.it> écrivait:
>
>> 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/
>>
>
> You need to use xfs_freeze to make the filesystem coherent before
> snapshot:
>
> xfs_freeze /dev/hypervisor/KVM_Storage
> lvcreate -s hypervisor/KVM_Storage --name Backup_SNAP
> xfs_freeze -u /dev/hypervisor/KVM_Storage
> lvchange -ay -K hypervisor/Backup_SNAP
>
It was my understanding that filesystem freezing was automatically
managed by LVM, and integrated into VFS long ago.
I am missing something?
--
Danti Gionatan
Supporto Tecnico
Assyoma S.r.l. - www.assyoma.it
email: g.danti@assyoma.it - info@assyoma.it
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next prev parent reply other threads:[~2016-05-26 11:17 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-24 12:58 LVM snapshot and log record CRC mismatch Gionatan Danti
2016-05-24 22:12 ` Dave Chinner
2016-05-25 7:37 ` Gionatan Danti
2016-05-26 10:23 ` Emmanuel Florac
2016-05-26 11:17 ` Gionatan Danti [this message]
2016-05-26 11:34 ` Emmanuel Florac
2016-05-30 6:33 ` Gionatan Danti
2016-05-26 17:39 ` Eric Sandeen
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