Messages in this thread | | | Subject | Re: [PATCH v1 00/30] Ext4 snapshots | From | Valdis.Kletnieks@vt ... | Date | Fri, 10 Jun 2011 18:51:28 -0400 |
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On Thu, 09 Jun 2011 13:54:13 +0300, "Amir G." said:
> Why do you keep saying 'backup only'? > There is a huge difference between having long lived snapshots, > like CTERA products have, and temporary snapshot for backup > purpose (for which LVM is adequate).
I must have blinked somewhere - I'm not convinced LVM is even "adequate" for backup purposes. In particular, how does an LVM-level snapshot deal with the "metadata in memory" problem (basically the exact same problem as running fsck on a disk partition that is already mounted)?
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