FreeBSD-Current 7.0 reporting SCSI drives at 1/2 that of 6.2

N. Harrington drumslayer2 at yahoo.com
Mon Aug 13 16:07:57 PDT 2007


 Hello

 I seem to be having a problem similiar to one I found
also reported back in April. 

 I am running/testing FreeBSD-CURRENT 7.0 Dated Fri
Jul 27. amd64

 On boot-up, SCSI disk speed being reported as 1/2
that found when using 6.2. It also seems to be
somewhat  unstable. 

 FreeBSD 7
 da0: <SEAGATE ST336753LW HPS2> Fixed Direct Access
 SCSI-3 device
 da0: 160.000MB/s transfers (80.000MHz DT, offset 63,
16 bit)
 da0: Command Queueing Enabled
 
 FreeBSD 6.2
da0: <SEAGATE ST336753LW HPS2> Fixed Direct Access
SCSI-3 device
da0: 320.000MB/s transfers (160.000MHz DT, offset
 63, 16 bit), Tagged Queueing Enabled

 However the transfer speeds seem to be about the
same.


 I have tried 2 different TYAN S2881 opteron board
with built in Adaptec SCSI (ahd - AIC7902 Ultra320)

 Why would 7.0 be reporting disks at 1/2 speed?



  Thanks!

   Nicole





More information about the freebsd-questions mailing list