Dear Darren,
The filer is EMC Celerra. Below are the directories of /pstv.

/pstv/.ckpt_ckpt_pstv_0001
/pstv/.ckpt_ckpt_pstv_0002
/pstv/.ckpt_ckpt_pstv_0003
/pstv/.ckpt_ckpt_pstv_0004
/pstv/.ckpt_ckpt_pstv_0005
/pstv/.ckpt_ckpt_pstv_0006
/pstv/.ckpt_ckpt_pstv_0007
/pstv/.ckpt_ckpt_pstv_0008
/pstv/.ckpt_ckpt_pstv_0009
/pstv/.ckpt_ckpt_pstv_0010
/pstv/.ckpt_ckpt_pstv_0011
/pstv/.ckpt_ckpt_pstv_0012
/pstv/.ckpt_ckpt_pstv_0013
/pstv/.ckpt_ckpt_pstv_0014
/pstv/.ckpt_ckpt_pstv_0015
/pstv/.etc
/pstv/BL Personal
/pstv/Data
/pstv/SYSTEM.trace
/pstv/bu-dcs
/pstv/gv
/pstv/lost+found

As you said, snapshot policy is enabled in the filer, it runs at 8PM
everyday and the filer maintains 15 snapshot copies. You can see snapshot
files by name /pstv/.ckpt_ckpt_pstv_00xx(xx is the number between 01 to 15).
The size of each snapshot file is around 285GB to 305GB. All the above
directories including snapshot files of /pstv have been mentioned in the
save set attribute of the client ingbtc01. However during full and
incremental backups the size of each snapshot file(.ckpt_ckpt_pstv_00xx) is
361MB and 96MB respectively (you can see this in the attached backup log
file) although the actual file size is around 300GB.

I have two queries here:

1. Why Networker backs up only 361MB / 96MB although the actual size of the
file is around 300GB?
2. If I mention all the above directories including snapshot files of /pstv
in the save set attribute of ingbtc01, backup happens properly. However if I
mention just /pstv, data being backed up is more than the actual volume
size(I have seen Networker was constantly backing up more than 600GB and
hence because of this I had to abort the backup manually).

Please clarify.

Thanks for your cooperation,
Srinivas Rao,
Technical Support Engineer-Legato,
Philips Software Centre,
Bangalore, India.









-----Original Message-----
From: Legato NetWorker discussion
[mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU]On Behalf Of Darren Dunham
Sent: 2005 Aug 08 10:01 PM
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: Re: [Networker] Data being backedup is more than the actual
volume size......


> Dear Networkers,
> Our Networker server is running on Windows 2003 and we have around 80
> Networker clients. A NFS partition, /pstv, from filer mounted on a

A network appliance filer?

> client called ingbtc01 and the data size of this partition is 270GB.
However
> Networker keeps on backing up more than 600GB from /pstv with every full
and
> incremental backup and because of this I have been aborting it's backup
> every day.

The default is for the top level mount point to have the .snapshot
directory visible.  Depending on how you have it configured, that can
contain many extra copies of the entire mount point.

You should be excluding snapshot directories (or using exactly one of
them explicitly).

> However if I mention all directories of /pstv explicitly in ingbtc01's
> saveset attribute, backup happens properly.

That would mean that you wouldn't be backing up /pstv/.snapshot, which
simply lising /pstv probably would.

--
Darren Dunham                                           ddunham AT taos DOT com
Senior Technical Consultant         TAOS            http://www.taos.com/
Got some Dr Pepper?                           San Francisco, CA bay area
         < This line left intentionally blank to confuse you. >

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ingbtc01 incremental backup log.txt
Description: Text document

ingbtc01 full backup log.txt
Description: Text document