SS2 upgrade from SS1, Wren Drives, Fujitsu Drives, HP drives

[George MacDonald]

In article <2138 at brchh104.bnr.ca> ballen at csd4.csd.uwm.edu (Bruce Allen) writes:

>5. OK, disk drives.  The SS2 runs faster than the SS1.  This makes SCSI
>   bus timing more critical.  The HP drives work fine on either SS1 or SS2.
>   The Fujitsu 2263S works OK on either SS1 or SS2.  The Fujitsu 2266 NEEDS A
>   FIRMWARE UPGRADE FROM FUJITSU; contact them or your vendor.  The Wren V
>   (and presumably IV,VI,VII) does not appear to work correctly on the SS2
>   although it is perfectly OK on the SS1, SS1+ and IPC, both in asynch and
>   synch mode. 

I just setup a sparc II with an external Wren IV last week, so far it's
been running fine. Format reveals

 AVAILABLE DISK SELECTIONS:
        0. sd0 at esp0 slave 24
           sd0: <SUN0207 cyl 1254 alt 2 hd 9 sec 36>
        1. sd1 at esp0 slave 8
           sd1: <CDC Wren IV 94171-344 cyl 1545 alt 2 hd 9 sec 46>

I have done several large tree copies on/off this disk, got it remotely
mounted and so far all seems fine. Don't have the model/rev numbers handy,
but the drive is at least a year old.

George MacDonald     Network Administrator      uunet!pictel!gmd