[OpenIndiana-discuss] Newbie question about SCSI 320
Bryan N Iotti
ironsides.medvet at gmail.com
Thu Feb 9 15:53:33 UTC 2012
this is the first SCSI system where I can actually mess around a bit
(the first was a Mac IIci with a couple external HDs and a SCSI CDROM).
Now, I have 2x 146Gb SCSI drives ("iostat -E" reports SEAGATE
ST3146707LW revision HPS2), running my mirrored rpool. It seems like
there is a noticeable amount of system lag and "iostat -xzn" will always
report asvc_t > 20.
Would connecting both disks to the same cable or use one cable per disk
make any real performance difference?
I tried both and ran bonnie++... here are my results, but I'd like some
comments on the matter
This is with both on one cable
This is with each on its own
Thank you for any advice,
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