Hello Davina, There is some speed pickup after I changed the pool item "Store 
Index Entries" to NO. I know see a range from 192 KB/s up to 8-9 MB/s, but 
mostly staying around 250-500 KB/s.

Saveset Recover will be find for this file system.

Thanks,
Randy


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

> Randy Doering wrote: 
> > -------------- 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? 
> 
> Yes that's the one. Your restore options are: 
> (1) Save set recovery. This does allow individual file restores but only 
> if you know the exact full path. 
> (2) Scan the tape to populate the index. 
> 
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