From: Petr Uzel <petr.uzel@xxxxxxx> Setting fast_io_fail_tmo to the same value as dev_loss_tmo is not allowed by the kernel. Increase dev_loss_tmo by 1 in such cases to make it strictly greated than fast_io_fail_tmo. Signed-off-by: Petr Uzel <petr.uzel@xxxxxxx> --- libmultipath/discovery.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c index adfb1ba..e2b4f56 100644 --- a/libmultipath/discovery.c +++ b/libmultipath/discovery.c @@ -367,7 +367,7 @@ sysfs_set_rport_tmo(struct multipath *mpp, struct path *pp) goto out; } if (mpp->fast_io_fail >= tmo) { - snprintf(value, 16, "%u", mpp->fast_io_fail); + snprintf(value, 16, "%u", mpp->fast_io_fail + 1); } } else if (mpp->dev_loss > 600) { condlog(3, "%s: limiting dev_loss_tmo to 600, since " -- 1.7.10.4 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel