Bob, Ian… thanks for your input.
It may be that the fw on the raid really got overloaded and that may had
to do with the way the GUI works.
I am now testing the same configuration on another host, where I can
risk some lockups when running bonnie++.
I am able to set some options on the drive level, namely write cache and
read ahead as well as on the virtual drive level. Unfortuanetly the
options on the virtual drive level are called equally and I thought that
setting these options on the drive level when configuring a JBOD raid
group would also set them on the virtual disk level, but that didn't
happen. ;)
So, odds are quite good that I overloaded the raid controller with lots
of virtual disks that had their cache settings to write through and read
ahead on.
ATM, I have all options disabled on the drive level and on the raid
group level as well as on the virtual drive level.
My current run of bonnie is of course not that satisfactory and I wanted
to ask you, if it's safe to turn on at least the drive level options,
namely the write cache and the read ahead?
Thanks,
budy
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