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From: Andrei Borzenkov <arvidjaar@gmail.com>
Date: Thu, 19 Mar 2015 18:30:27 +0000 (+0300)
Subject: core: add LVM RAID1 support
X-Git-Url: http://git.savannah.gnu.org/gitweb/?p=grub.git;a=commitdiff_plain;h=527eeeeee6c8d3d8e3bb1fac408d47bb1dcbec95;hp=7c9309e50a124817e67de38b30c6291acecad560
core: add LVM RAID1 support
Closes 44534.
---
diff --git a/grub-core/disk/lvm.c b/grub-core/disk/lvm.c
index 1e7f197..9b97004 100644
--- a/grub-core/disk/lvm.c
+++ b/grub-core/disk/lvm.c
@@ -577,13 +577,17 @@ grub_lvm_detect (grub_disk_t disk,
if (is_pvmove)
seg->node_count = 1;
}
- else if (grub_memcmp (p, "raid", sizeof ("raid") - 1)
- == 0 && (p[sizeof ("raid") - 1] >= '4'
- && p[sizeof ("raid") - 1] <= '6')
+ else if (grub_memcmp (p, "raid", sizeof ("raid") - 1) == 0
+ && ((p[sizeof ("raid") - 1] >= '4'
+ && p[sizeof ("raid") - 1] <= '6')
+ || p[sizeof ("raid") - 1] == '1')
&& p[sizeof ("raidX") - 1] == '"')
{
switch (p[sizeof ("raid") - 1])
{
+ case '1':
+ seg->type = GRUB_DISKFILTER_MIRROR;
+ break;
case '4':
seg->type = GRUB_DISKFILTER_RAID4;
seg->layout = GRUB_RAID_LAYOUT_LEFT_ASYMMETRIC;
@@ -608,16 +612,18 @@ grub_lvm_detect (grub_disk_t disk,
goto lvs_segment_fail;
}
- seg->stripe_size = grub_lvm_getvalue (&p, "stripe_size = ");
- if (p == NULL)
+ if (seg->type != GRUB_DISKFILTER_MIRROR)
{
+ seg->stripe_size = grub_lvm_getvalue (&p, "stripe_size = ");
+ if (p == NULL)
+ {
#ifdef GRUB_UTIL
- grub_util_info ("unknown stripe_size\n");
+ grub_util_info ("unknown stripe_size\n");
#endif
- goto lvs_segment_fail;
+ goto lvs_segment_fail;
+ }
}
-
seg->nodes = grub_zalloc (sizeof (seg->nodes[0])
* seg->node_count);
@@ -625,7 +631,7 @@ grub_lvm_detect (grub_disk_t disk,
if (p == NULL)
{
#ifdef GRUB_UTIL
- grub_util_info ("unknown mirrors\n");
+ grub_util_info ("unknown raids\n");
#endif
goto lvs_segment_fail2;
}
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