ahci.ko in RELENG_8_2, what about atacontrol cap?
    Patrick M. Hausen 
    hausen at punkt.de
       
    Thu Apr 14 14:21:59 UTC 2011
    
    
  
Hi, all,
Am 03.04.2011 um 15:44 schrieb Patrick M. Hausen:
> Am 03.04.2011 um 15:36 schrieb Alexander Motin:
>> I've noticed that some RAID BIOS'es disable write cache on their disks. ata(4) enabled cache in such cases, but CAM doesn't now. I'll take care of it for ATA. For now you can manage it via `camcontrol cmd`.
> 
> I understand. So probably my disks' WC is set to off in the
> system BIOS setup - wich is changed upon boot by ata, but
> not by ahci/cam.
I changed the setting in the BIOS setup to "write cache enabled"
and presto - write cache with ahci.
Thanks for the hints,
Patrick
-- 
punkt.de GmbH * Kaiserallee 13a * 76133 Karlsruhe
Tel. 0721 9109 0 * Fax 0721 9109 100
info at punkt.de       http://www.punkt.de
Gf: Jürgen Egeling      AG Mannheim 108285
    
    
More information about the freebsd-stable
mailing list