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</o:shapelayout></xml><![endif]--></head><body lang=FR-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif";color:#002060'>> On an OSS with two OSTs, is a RAID-1 set with two 400MB partitions a bad choice for the external<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif";color:#002060'>> journals or should each journal be located on a separate RAID-1 set with one 400MB partition?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#002060'>><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif";color:#002060'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif";color:#002060'>Anyone can give me an advice on that?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif";color:#002060'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif";color:#002060'>Actually, there will be four OSTs located in two 12 2TB-disk racks ( 2 * 4+1 plus two hot spares per rack, ext4<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif";color:#002060'>with external journal). One RAID controller per disk rack. The server box has room for eight disks ( one RAID1<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif";color:#002060'>for the OS, one RAID1 for the MDT ).There are four disks available for the external journals: one RAID1 with four<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif";color:#002060'>400MB partitions or two RAID1 with two 400MB partitions?<b><i> </i></b><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif";color:#002060'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif";color:#002060'>Denis Charland</span><b><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'><o:p></o:p></span></b></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif";color:navy'>UNIX Systems Administrator<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif";color:navy'>National Research Council Canada<o:p></o:p></span></p></div></body></html>