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From Watanabe Maki <>
Subject Re: Snapshotting to a different volume?
Date Thu, 19 May 2011 00:44:02 GMT
SSTables are immutable. Those won't changed once written to disk.

From iPhone

On 2011/05/19, at 9:37, Sameer Farooqui <> wrote:

> As of 0.8.0, is it possible to take a Cassandra snapshot to a different volume (like
a EBS volume dedicated for backups)?
> About a year ago, Jonathan Ellis said that this won't be implemented b/c snapshots are
basically hard links:
> But I don't fully understand that. If a snapshot is just a hardlink, won't the snapshot
also change as new data is written to the SSTables?
> - Sameer

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