-------------- Original message -------------- 

> Randy Doering wrote: 
> > Greetings, I'm in the midst of trying to get a full backup of a file system 
> > that is alittle of 4 TB and contains more than 132 Million files. 
> > 
> > When I started this yesterday, I noticed it was backing up at around 20-22 
> > MB/s, and I started to calculate how many hours this would take after it 
> > had filled the first tape. 
> > 
> > Well, today it is backing up at 150-190 KB/s and the System CPU is pegged. 
> > At this rate, we looking at at least a month to get this backup finished. 
> > We have concluded that the system is trying to keep the index information 
> > and that is the reason for the slow down. 
> > 
> > I have noticed a button in the Group that is called: "No Index Save". So, 
> > what does this button actually mean? 
> > 
> > We are in the middle of moving the file systems from an HP-EVA based file 
> > system to an EMC Centerra, and was planning on restoring to the EMC 
> > Centerra. 
> > 
> > So, will using the "No Index Save" speed things along and more importantly 
> > will I be able to restore? 
> > 
> 
> Leaving aside any other potential solutions I will answer your question 
> directly. The "No Index Save" attribute of your group is NOT what you 
> are looking for. All this means is that at the and of the client save it 
> will not save your client file index to tape. However, there is an 
> option in the pool that will prevent the index being written to disk at 
> all. This may make a small improvement to the backup performance but 
> will of course reduce the ease of your restores.
Thanks Davina:
I assume you are talking about the "Store Index Entries" option in the pool 
resource. I may try this, and if I do what will be the consequences regarding 
the restores?
Randy


> 
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