>>> On 3/2/2011 at 04:41 PM, Aria Bamdad <[email protected]> wrote: 
> Hi,
> 
> 
> 
> I noticed that in my boot log (dmesg) I see a return code of -5 when reading
> device features for each minidisk on this system.  I am not using the DIAG
> module or PAV.
> 
> 
> 
> dasd-eckd.637cf1: 0.0.0150: Reading device feature codes failed with rc=-5
> 
> dasd-eckd.90fb0d: 0.0.0150: New DASD 3390/0A (CU 3990/01) with 3338
> cylinders, 1
> 
> 5 heads, 224 sectors
> 
> dasd-eckd.412b53: 0.0.0150: DASD with 4 KB/block, 2403360 KB total size, 48
> KB/t
> 
> rack, compatible disk layout
> 
> dasda:VOL1/  0X0150: dasda1
> 
> 
> 
> This is a SLES 11 SP1 system with latest updates.  Everything else appears
> to run just fine.  Does anyone know what this is or where I can find the
> return codes from this module.  I looked in the Device Drivers manual but no
> luck.

According to "man dasd-eckd.637cf1":
Description
       The  device feature codes state which advanced features are supported by 
a device.
       Examples for advanced features are PAV or  high  performance  FICON.   
Some  early
       devices  do  not  provide  feature codes and no advanced features are 
available on
       these devices.

User action
       None, if the DASD does not provide feature codes. If  the  DASD  
provides  feature
       codes,  make  sure  that  it  is  working  correctly, then set it 
offline and back
       online.


zypper in kernel-default-man if you get "No manual entry for dasd-eckd.637cf1"


Mark Post

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