Write to /etc/multipath/prkeys, for example 0x0000000000000001 3620f17c1007609293677bb210000058e. Power-off and restart in 5 seconds. There will be some 0 byte in /etc/multipath/prkeys. Here we flush and sync before reboot.
Signed-off-by: Jianbing Jiao <[email protected]> Signed-off-by: Lixiaokeng <[email protected]> --- libmultipath/util.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/libmultipath/util.c b/libmultipath/util.c index 1dad90f2..11d4a398 100644 --- a/libmultipath/util.c +++ b/libmultipath/util.c @@ -355,6 +355,13 @@ int safe_write(int fd, const void *buf, size_t count) count -= r; buf = (const char *)buf + r; } + + /* sync->disk */ + if (fsync(fd) < 0) { + condlog(0, "failed to fsync fd :%d", fd); + return -errno; + } + return 0; } -- -- dm-devel mailing list [email protected] https://www.redhat.com/mailman/listinfo/dm-devel
