[OmniOS-discuss] Writeback Cache Auto disabled

[Richard Elling]

> On May 5, 2015, at 12:54 AM, <dwq at xmweixun.com> <dwq at xmweixun.com> wrote:
> 
> Hi All,
>          When I present lu to hpux or aix, lu writeback cache auto disabled,why?

In SCSI, initiators can change the write cache policy.
 — richard

>  
> LU Name: 600144F00000000000005548DC360005
>     Operational Status: Online
>     Provider Name     : sbd
>     Alias             : /dev/zvol/rdsk/wxnas/hpuxtest03
>     View Entry Count  : 1
>     Data File         : /dev/zvol/rdsk/wxnas/hpuxtest03
>     Meta File         : not set
>     Size              : 21474836480
>     Block Size        : 512
>     Management URL    : not set
>     Vendor ID         : SUN     
>     Product ID        : COMSTAR         
>     Serial Num        : not set
>     Write Protect     : Disabled
>     Writeback Cache   : Disabled
> Access State      : Active
>  
>  
> Thanks.
>  
> Version:
> SunOS wxos1 5.11 omnios-b281e50 i86pc i386 i86pc
> Deng
>  
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--

Richard.Elling at RichardElling.com
+1-760-896-4422



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