.snapshot file
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.snapshot file

 
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Posted: Wed Jul 27, 2005 12:16 am    Post subject: .snapshot file Reply with quote

I am using a NetApp file server. The volumes contain a file
'.snapshot', which are apparently huge. What I want to know is whether
deleting this file will help in saving space. I would also like to know
whether deleting these files have any adverse effect.
Thanks in advance,
Gopu Bhaskar.
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Faeandar
Guest





Posted: Wed Jul 27, 2005 7:26 am    Post subject: Re: .snapshot file Reply with quote

On 26 Jul 2005 16:07:18 -0700, gopubhaskar@gmail.com wrote:

Quote:
I am using a NetApp file server. The volumes contain a file
'.snapshot', which are apparently huge. What I want to know is whether
deleting this file will help in saving space. I would also like to know
whether deleting these files have any adverse effect.
Thanks in advance,
Gopu Bhaskar.

If you get on the filer itself and type 'df' (or run it from rsh)
you'll see something like:

Filesystem kbytes used avail capacity Mounted
on
/vol/vol1/ 1390774812 1116550296 274224516 80% /vol/vol1/
/vol/vol1/.snapshot 1390774808 1972074924 0 142%
/vol/vol1/.snapshot

What this is is a logical seperation of space on a physical volume.
This area holds locked pointers of changed blocks in the live file
system.

The snapshot volume is one of the things that makes a NetApp so great
but it can be removed completely if you just want all the space. You
should contact support for this.

However, unless your snapshot volume is over 100% (like mine) then it
will not effect capacity in the live file system. You can adjust the
reserve but, again, contact support.

Support will better explain the potential issues with you doing this
than I can.

~F
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