I'm running randread and randwrites with fio. I would expect something out
of the cache device- instead nothing.
I've considered using bcache, but I would have to build that for centos 7.
Not out of the question, just not in my immediate wheelhouse.
Thanks for the response, very much.
Zac
Please send us the diagnostics (HTML UI -> System Page -> Run
Diagnostics) to supp...@quadstor.com
Also please run btrace against the following devices when running the fio device
btrace -w 120 /dev/quadstor/ > /tmp/vdisk.out 2>&1 &
btrace -w 120 > /tmp/cache.out 2>&1 &
btrace -w 120 /dev/ > /tmp
How are you presenting the flashcache'd device to Quadstor? Remember
flashcache gives you a DM (/dev/mapper/..) device, to use this with
Quadstor you either have to either build an LVM on top or create a loopback
SCSI device with LIO.
I've used this configuration myself before but I'm moving my
