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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link="#0563C1" vlink="#954F72" style='text-justify-trim:punctuation'><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hello all,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> I used OmniOS 151006 Or 151014 found Zvol rewrite from 212MB to 44.4MB.Details are as follows.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>zpool crerate WX raidz c8t5000C5003AEADC65d0 c8t5000C5003AE7BAD9d0 c8t5000C5003AC4E3CDd0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>zfs create -V 20g WX/test01<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>stmfadm create-lu -p wcd=false /dev/zvol/rdsk/WX/test01<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>stmfadm add-view #add view to client host<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>client:redhat 5.8 X86<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>pvcreate /dev/sdb<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>vgcreate /dev/vgtest /dev/sdb<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lvcreate ¨CL xxx ¨Cn lvtest /dev/vgtest<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>mkfs /dev/vgtest/lvtest<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>mkdir /test<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>mount /dev/vgtest/lvtest /test<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>[root@localhost test]# dd if=/dev/zero of=/test/1 bs=4096k count=100000<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>dd: writing `/test/1': No space left on device<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>5023+0 records in<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>5022+0 records out<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>21066981376 bytes (21 GB) copied, 99.443 seconds, 212 MB/s<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>[root@localhost test]# ls<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>[root@localhost test]# dd if=/dev/zero of=/test/1 bs=4096k count=100000<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>dd: writing `/test/1': No space left on device<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>5023+0 records in<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>5022+0 records out<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>21066981376 bytes (21 GB) copied, 474.468 seconds, <span style='color:red'>44.4 MB/s</span><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;color:blue'>Best Regards,<br>Deng Wei Quan<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;color:blue'>Mob: +86 13906055059<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;color:blue'>Mail: <a href="mailto:dwq@xmweixun.com"><span style='color:blue'>dwq@xmweixun.com</span></a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>