Gitweb:
https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=54a9d086db46a4e61e2...
Commit: 54a9d086db46a4e61e2edbcd6c35ed2d913f6a46
Parent: 2037476008ea42e79388a407355c7f285656a5d9
Author: Heinz Mauelshagen <heinzm(a)redhat.com>
AuthorDate: Tue Nov 26 22:17:34 2019 +0100
Committer: Heinz Mauelshagen <heinzm(a)redhat.com>
CommitterDate: Tue Nov 26 22:27:06 2019 +0100
lvcreate: ensure striped raid region size is at least stripe size
The kernel MD runtime requires region size to be larger than stripe size
on striped raid layouts, thus the dm-raid target's constructor rejects
such request.
This causes e.g. an 'lvcreate --type raid10 -i3 -I4096 -R2048 -n lv vg' to fail.
Avoid failing late in the kernel by enforcing region size to be
larger or equal to stripe size.
Resolves:
https://bugzilla.redhat.com/show_bug.cgi?id=1698225
---
tools/lvcreate.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/tools/lvcreate.c b/tools/lvcreate.c
index ebe6c9f..4a1534c 100644
--- a/tools/lvcreate.c
+++ b/tools/lvcreate.c
@@ -575,6 +575,13 @@ static int _read_raid_params(struct cmd_context *cmd,
log_error("Minimum recovery rate cannot be higher than maximum.");
return 0;
}
+
+ if (lp->region_size < lp->stripe_size) {
+ log_print_unless_silent("Adjusting %s %s region size to required minimum of
stripe size %s.",
+ lp->segtype->name, display_size(cmd, (uint64_t)lp->region_size),
+ display_size(cmd, (uint64_t)lp->stripe_size));
+ lp->region_size = lp->stripe_size;
+ }
}
return 1;