CentOS Sources
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927e9d8a6e
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From db5377883fef8655aac56b5d7ce5408f8ae494e0 Mon Sep 17 00:00:00 2001
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From: Xiao Ni <xni@redhat.com>
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Date: Tue, 9 Feb 2021 17:39:51 +0800
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Subject: [PATCH 1/1] It should be FAILED when raid has not enough active disks
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It can't remove the disk if there are not enough disks. For example, raid5 can't remove the
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second disk. If the second disk is unplug from machine, it's better show missing and the raid
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should be FAILED. It's better for administrator to monitor the raid.
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Signed-off-by: Xiao Ni <xni@redhat.com>
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Signed-off-by: Jes Sorensen <jsorensen@fb.com>
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---
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Detail.c | 14 ++++++++++----
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1 file changed, 10 insertions(+), 4 deletions(-)
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diff --git a/Detail.c b/Detail.c
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index f8dea6f..cd26fb0 100644
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--- a/Detail.c
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+++ b/Detail.c
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@@ -355,9 +355,14 @@ int Detail(char *dev, struct context *c)
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avail = xcalloc(array.raid_disks, 1);
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for (d = 0; d < array.raid_disks; d++) {
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-
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- if ((disks[d*2].state & (1<<MD_DISK_SYNC)) ||
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- (disks[d*2+1].state & (1<<MD_DISK_SYNC))) {
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+ char *dv, *dv_rep;
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+ dv = map_dev_preferred(disks[d*2].major,
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+ disks[d*2].minor, 0, c->prefer);
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+ dv_rep = map_dev_preferred(disks[d*2+1].major,
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+ disks[d*2+1].minor, 0, c->prefer);
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+
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+ if ((dv && (disks[d*2].state & (1<<MD_DISK_SYNC))) ||
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+ (dv_rep && (disks[d*2+1].state & (1<<MD_DISK_SYNC)))) {
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avail_disks ++;
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avail[d] = 1;
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} else
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@@ -789,7 +794,8 @@ This is pretty boring
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&max_devices, n_devices);
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else
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printf(" %s", dv);
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- }
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+ } else if (disk.major | disk.minor)
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+ printf(" missing");
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if (!c->brief)
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printf("\n");
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}
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--
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2.7.5
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