On 30/09/12 22:42, Cejka Rudolf wrote:
> Hi, I have Maximum Block Size = 65536 Maximum File Size = 4gb and 
> without any problem. All tapes have over 400,000,000,000 bytes, except 
> 2 of 116, where I think that one was forced to change, so just 1 of 
> 116 has under 400 GB (around 380 GB). Almost all tapes are 7 years old 
> now. My typical end of tape mesage is like End of medium on Volume "" 
> Bytes=618,539,200,512 Blocks=9,438,187
>> Change maximum file size to 10Gb and maximum block size to 2M
> However, then please test readibility of these data on all systems
> you could possibly use. Increasing blocks size is potentially dangerous,
> so before increasing it, be sure, that you can read all these data back.
>

2Mb is the maximum block size I've found to work on LTO* - it's a bacula 
limit, not an LTO one.

Increasing from 65535 will improve throughput significantly. There have 
been discussions about this in the last few years.





------------------------------------------------------------------------------
Got visibility?
Most devs has no idea what their production app looks like.
Find out how fast your code is with AppDynamics Lite.
http://ad.doubleclick.net/clk;262219671;13503038;y?
http://info.appdynamics.com/FreeJavaPerformanceDownload.html
_______________________________________________
Bacula-users mailing list
Bacula-users AT lists.sourceforge DOT net
https://lists.sourceforge.net/lists/listinfo/bacula-users