[lvm-devel] master - cache: warn about metadata size limits
Zdenek Kabelac
zkabelac at fedoraproject.org
Fri Jul 11 11:34:30 UTC 2014
Gitweb: http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=f7d661406196568abce68abb66a45b27177b4379
Commit: f7d661406196568abce68abb66a45b27177b4379
Parent: 04b8e55f2a2a96d2ffbd124fe3c0fc7c452cfb26
Author: Zdenek Kabelac <zkabelac at redhat.com>
AuthorDate: Fri Jul 11 12:12:51 2014 +0200
Committer: Zdenek Kabelac <zkabelac at redhat.com>
CommitterDate: Fri Jul 11 13:31:19 2014 +0200
cache: warn about metadata size limits
Cache pools are similar as with thin pools.
Add (needs %s) - since cache has currently
a bit strange need for extra few kb over
our default 4M extent size so make it more obvious.
---
lib/metadata/cache_manip.c | 17 ++++++++++-------
1 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/lib/metadata/cache_manip.c b/lib/metadata/cache_manip.c
index 6a0f0f6..e220dd9 100644
--- a/lib/metadata/cache_manip.c
+++ b/lib/metadata/cache_manip.c
@@ -60,15 +60,18 @@ int update_cache_pool_params(struct volume_group *vg, unsigned attr,
if (!*pool_metadata_size)
*pool_metadata_size = min_meta_size;
- if (*pool_metadata_size < min_meta_size) {
- *pool_metadata_size = min_meta_size;
- log_print("Increasing metadata device size to %"
- PRIu64 " sectors", *pool_metadata_size);
- }
if (*pool_metadata_size > (2 * DEFAULT_CACHE_POOL_MAX_METADATA_SIZE)) {
*pool_metadata_size = 2 * DEFAULT_CACHE_POOL_MAX_METADATA_SIZE;
- log_print("Reducing metadata device size to %" PRIu64 " sectors",
- *pool_metadata_size);
+ if (passed_args & PASS_ARG_POOL_METADATA_SIZE)
+ log_warn("WARNING: Maximum supported pool metadata size is %s.",
+ display_size(vg->cmd, *pool_metadata_size));
+ } else if (*pool_metadata_size < min_meta_size) {
+ if (passed_args & PASS_ARG_POOL_METADATA_SIZE)
+ log_warn("WARNING: Minimum supported pool metadata size is %s "
+ "(needs extra %s).",
+ display_size(vg->cmd, min_meta_size),
+ display_size(vg->cmd, min_meta_size - *pool_metadata_size));
+ *pool_metadata_size = min_meta_size;
}
return 1;
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