Networker

[Networker] Netwroker 7.6 adv_file to HP D2D 2504i - NAS/Share device - hitting 25000 files+directories device-imposed per-share limitation

2011-08-16 15:26:40
Subject: [Networker] Netwroker 7.6 adv_file to HP D2D 2504i - NAS/Share device - hitting 25000 files+directories device-imposed per-share limitation
From: Sree <dalsc11 AT CELANESE DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Tue, 16 Aug 2011 15:24:40 -0400
Folks:

Running Networker 7.6 on Windows Server 2003;

We have a NAS/Share from HP D2D 2504i - which apparently has a limitation 
of maximum of 25000 Files+Directories count (on a single share):

"The HP D2D Backup System imposes a limit on the number of files that can 
be stored on each NAS share. The limit is 25000 files, which provides the 
ability to protect a large amount of data using a backup application. The 
limit is imposed in order to allow efficient use of data replication.”

We've looked at the share, it had just exceeded 25000 files:
Total Files        : 10640
Total Dirs         : 14361

Now, no new Writes are being permitted by D2D to that share. (Ofcourse, we 
could create a new backup-share on D2D (consider it as a new root dir), 
and D2D allows full access to this newly created share.

How can we possibly clean-up our original adv_file share via Networker, to 
go below the 25000 files+dirs D2D-device limit ?

We have saved a total of 5317 savesets over the last 9 weeks of Networker 
backups("retention").

Also noticed that Netwroker's directory structure is:
Main-level Dirs: 00,01 .. thru .. 98,99    (100 dirs).
Under each of these 00, 01 etc dirs, there are subdir-tree from 00-thru-99.
Some of those leaf dirs have "notes" directory" 00->00->notes, and/or a 
long file: "31ffccc9-00000006-3f3b6aec-4e3b6aec-03c2c11c-c8d026de"

So, I can count 100 * 100 ~ approximately: 10000 dirs PLUS this "notes" 
sub-dirs, and/or some of those long-named files.

We sure are bumping into 25000 imposed limit. How we can address this 
problem? Great ideas Welcome !

Thanks
Sree

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