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author | Guoqing Jiang <gqjiang@suse.com> | 2017-10-24 15:11:53 +0800 |
---|---|---|
committer | Shaohua Li <shli@fb.com> | 2017-11-01 21:32:25 -0700 |
commit | f0e230ad877855567607fe2f40802b6317ad38f3 (patch) | |
tree | f8a0d05b421aec1b788eb6c58fbc5d873a561f59 | |
parent | fc33060ba0c78310f6398357ffca8f55a4c41cee (diff) | |
download | linux-f0e230ad877855567607fe2f40802b6317ad38f3.tar.bz2 |
md-cluster: update document for raid10
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
-rw-r--r-- | Documentation/md/md-cluster.txt | 3 | ||||
-rw-r--r-- | drivers/md/Kconfig | 5 | ||||
-rw-r--r-- | drivers/md/md-cluster.c | 2 |
3 files changed, 6 insertions, 4 deletions
diff --git a/Documentation/md/md-cluster.txt b/Documentation/md/md-cluster.txt index 82ee51604e9a..e1055f105cf5 100644 --- a/Documentation/md/md-cluster.txt +++ b/Documentation/md/md-cluster.txt @@ -1,4 +1,5 @@ -The cluster MD is a shared-device RAID for a cluster. +The cluster MD is a shared-device RAID for a cluster, it supports +two levels: raid1 and raid10 (limited support). 1. On-disk format diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 4a249ee86364..83b9362be09c 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -178,7 +178,7 @@ config MD_FAULTY config MD_CLUSTER - tristate "Cluster Support for MD (EXPERIMENTAL)" + tristate "Cluster Support for MD" depends on BLK_DEV_MD depends on DLM default n @@ -188,7 +188,8 @@ config MD_CLUSTER nodes in the cluster can access the MD devices simultaneously. This brings the redundancy (and uptime) of RAID levels across the - nodes of the cluster. + nodes of the cluster. Currently, it can work with raid1 and raid10 + (limited support). If unsure, say N. diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c index d0fd1bd8575c..79bfbc840385 100644 --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -1478,7 +1478,7 @@ static struct md_cluster_operations cluster_ops = { static int __init cluster_init(void) { - pr_warn("md-cluster: EXPERIMENTAL. Use with caution\n"); + pr_warn("md-cluster: support raid1 and raid10 (limited support)\n"); pr_info("Registering Cluster MD functions\n"); register_md_cluster_operations(&cluster_ops, THIS_MODULE); return 0; |