> On May 6, 2015, at 12:49 AM, d...@xmweixun.com wrote: > > Hi Richard > I use stmfadm modify-lu –p wcd=false LU Name, change write cache to > enable,but when client read or wirte io from lu,lu status (writeback cache) > change to disable again.
This is correct. Initiators can override the target's default. -- richard > > > > Best Regards, > Deng Wei Quan / 邓伟权 > Mob: +86 13906055059 > Mail: d...@xmweixun.com <mailto:d...@xmweixun.com> > 厦门维讯信息科技有限公司 > > 发件人: dwq+auto_=dengweiquan=139....@xmweixun.com > [mailto:dwq+auto_=dengweiquan=139....@xmweixun.com] 代表 Richard Elling > 发送时间: 2015年5月5日 23:17 > 收件人: d...@xmweixun.com > 抄送: omnios-discuss@lists.omniti.com > 主题: Re: [OmniOS-discuss] Writeback Cache Auto disabled > > >> On May 5, 2015, at 12:54 AM, <d...@xmweixun.com <mailto:d...@xmweixun.com>> >> <d...@xmweixun.com <mailto:d...@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 >> >> _______________________________________________ >> OmniOS-discuss mailing list >> OmniOS-discuss@lists.omniti.com <mailto:OmniOS-discuss@lists.omniti.com> >> http://lists.omniti.com/mailman/listinfo/omnios-discuss >> <http://lists.omniti.com/mailman/listinfo/omnios-discuss> > > -- > > richard.ell...@richardelling.com <mailto:richard.ell...@richardelling.com> > +1-760-896-4422 > > >
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