> Why would you crash is you have device mapper multipath configured to handle > path fail over? We have tons of enterprise customers that use that... cf http://www.spinics.net/lists/linux-scsi/msg56254.html Basically hot unplug of an sdX can oops on any recent kernel, no matter what dm stuff you have on top. > On the broader topic of error handling and so on, I do agree that is always > an area of concern (how many times to retry, how long time outs need to be, > when to panic/reboot or propagate up an error code) Yes, especially the scsi eh stuff escalating to a host reset when a single drive has gone bad -- even if the HBA is happily doing IO to other drives, we'll kill access to the whole SAS fabric. - R. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html