Package: multipath-tools Version: 0.6.4-5+deb9u1
We are using Debian 9.11 (Stretch) and facing issues with multipathing behavior. When I run "multipath -ll", I see io_setup failed messages. Jan 06 16:37:30 | io_setup failed Jan 06 16:37:30 | io_setup failed Jan 06 16:37:30 | io_setup failed Jan 06 16:37:30 | io_setup failed Jan 06 16:37:30 | io_setup failed Jan 06 16:37:30 | io_setup failed Jan 06 16:37:30 | io_setup failed Jan 06 16:37:30 | io_setup failed Jan 06 16:37:30 | io_setup failed Jan 06 16:37:30 | io_setup failed Jan 06 16:37:30 | io_setup failed When I increase the asynchronous I/O contexts, I see multipath hangs for 30 seconds to come back to the prompt. fs.aio-max-nr = 1048576 strace shows these prints : . . fcntl(30, F_GETFL) = 0xc000 (flags O_RDONLY|O_DIRECT|O_LARGEFILE) fcntl(30, F_SETFL, O_RDONLY|O_LARGEFILE) = 0 io_destroy(0x7fd8a6512000) = 0 close(30) = 0 fcntl(31, F_GETFL) = 0xc000 (flags O_RDONLY|O_DIRECT|O_LARGEFILE) fcntl(31, F_SETFL, O_RDONLY|O_LARGEFILE) = 0 io_destroy(0x7fd8a6501000) = 0 close(31) = 0 fcntl(32, F_GETFL) = 0xc000 (flags O_RDONLY|O_DIRECT|O_LARGEFILE) fcntl(32, F_SETFL, O_RDONLY|O_LARGEFILE) = 0 io_destroy(0x7fd8a64f0000^Cstrace: Process 17748 detached . . I am using Debian 9.11 and kernel 4.9.0-11-amd64
