In order to be able to handle multipath devices better (avoid anything else, but multipath to access the single paths) I moved the paths from the devices to different names: # ls /dev/*sd* /dev/hsv100-sdb /dev/hsv100-sdd /dev/hsv100-sde /dev/sda /dev/sda2 /dev/hsv100-sdc /dev/hsv100-sdd1 /dev/hsv100-sde1 /dev/sda1 The /dev/sda is the system disk, while the 4 /dev/hsv100-sd* devices are the 4 paths to an EVA 3000. Unfortuantely multipath does not see the /dev/hsv100-sd* devices. This is because after querying sysfs devinfo in libmultipath/discovery.c also wants to get a file descriptor on the device. But it is using the kernel's device name, not the one from udev, the access fails, and the path gets dropped. What can be done to fix this? multipath needs the fd on the device for further queries (serial and state). Should multipath call udev to get the device's name? Is there a workaround I can use now to get multipath on my /dev/hsv100-sd* devices running? Thanks! -- Axel.Thimm at ATrpms.net
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