<div dir="ltr">Hi<br>I have been strugling with an HP MSA1000 for a few weeks now.<br>I am using the old active/passive firmware.<br>Here is the device section of my multipath.conf :<br><br><pre>devices {<br> device {<br> vendor "COMPAQ"<br>
product "MSA1000"<br> hardware_handler "1 hp_sw"<br> path_grouping_policy group_by_prio<br> path_checker hp_sw<br> <br> }<br>}</pre><br>I am under RHEL5.2 and this is the rpm package of dm-multipath 0.4.7-16.el5.<br>
Here is my /var/log/messages when i start multipathd daemon :<br>Aug 12 13:48:33 cluster3 kernel: device-mapper: ioctl: error adding target to table<br>Aug 12 13:48:33 cluster3 kernel: device-mapper: table: 253:19: multipath: unknown hardware handler type<br>
Aug 12 13:48:33 cluster3 kernel: device-mapper: ioctl: error adding target to table<br>Aug 12 13:48:33 cluster3 kernel: device-mapper: table: 253:19: multipath: unknown hardware handler type<br>Aug 12 13:48:33 cluster3 kernel: device-mapper: ioctl: error adding target to table<br>
Aug 12 13:48:33 cluster3 kernel: device-mapper: table: 253:19: multipath: unknown hardware handler type<br>Aug 12 13:48:33 cluster3 kernel: device-mapper: ioctl: error adding target to table<br>Aug 12 13:48:33 cluster3 kernel: device-mapper: table: 253:19: multipath: unknown hardware handler type<br>
Aug 12 13:48:33 cluster3 kernel: device-mapper: ioctl: error adding target to table<br>Aug 12 13:48:33 cluster3 kernel: device-mapper: table: 253:19: multipath: unknown hardware handler type<br>Aug 12 13:48:33 cluster3 kernel: device-mapper: ioctl: error adding target to table<br>
Aug 12 13:48:33 cluster3 kernel: device-mapper: table: 253:19: multipath: unknown hardware handler type<br>Aug 12 13:48:33 cluster3 kernel: device-mapper: ioctl: error adding target to table<br>Aug 12 13:48:33 cluster3 multipathd: path checkers start up<br>
<br>If anyone can help, thanks in advance.<br><br></div>