> Ok, I don't have that setting enabled but I could try it. Question:
> how do you decide 5 GB is an optimal value for your LTO-4 tapes? what
> value could I put for my LTO-5 tapes? I don't really understand what
> should be the appropiate value for this directive.
> I don't know how to tell you how speed is my local disk (spool
> directory), but is this useful?
>
>
> [root@qsrpsbk1 ~]# hdparm -t /dev/sda
>
> /dev/sda:
>  Timing buffered disk reads:  370 MB in  3.01 seconds = 123.00 MB/sec

That will not be fast enough as a spool disk if you want to get
maximum performance with your LTO5 drive. You need a SSD or raid to
achieve 150MB/s. Yes I know there are harddrives even SATA drives that
do over 150MB/s now but once you need more than 1 concurrent job the
drive will limit spool performance.

John

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