Re: netapp-alike snapshots?

[A L <crimsoncottage@gmail.com>]

Perhaps using a bind mount? It would look and work the same as a ordinary fs. Just need to make sure du uses one filesystem.

---- From: Ulli Horlacher <framstag@rus.uni-stuttgart.de> -- Sent: 2017-08-22 - 18:57 ----

> On Tue 2017-08-22 (21:45), Roman Mamedov wrote:
> 
>> It is beneficial to not have snapshots in-place. With a local directory of
>> snapshots, issuing things like "find", "grep -r" or even "du" will take an
>> inordinate amount of time and will produce a result you do not expect.
> 
> Netapp snapshots are invisible for tools doing opendir()/readdir()
> One could simulate this with symlinks for the snapshot directory:
> store the snapshot elsewhere (not inplace) and create a symlink to it, in
> every directory.
> 
> 
>> Personally I prefer to have a /snapshots directory on every FS
> 
> My users want the snapshots locally in a .snapshot subdirectory.
> Because Netapp do it this way - for at least 20 years and we have a
> multi-PB Netapp storage environment.
> No chance to change this.
> 
> -- 
> Ullrich Horlacher              Server und Virtualisierung
> Rechenzentrum TIK         
> Universitaet Stuttgart         E-Mail: horlacher@tik.uni-stuttgart.de
> Allmandring 30a                Tel:    ++49-711-68565868
> 70569 Stuttgart (Germany)      WWW:    http://www.tik.uni-stuttgart.de/
> REF:<20170822214531.44538589@natsu>
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