If you cat /proc/mdstat, it should show the array resyncing... when its
done, it will put the drive back as device 26.
Tyler.
David M. Strang wrote:
Neil --
That worked, the device has been added to the array. Now, I think the
next problem is my own ignorance.
-(root@abyss)-(/)- # mdadm --detail /dev/md0
/dev/md0:
Version : 01.00.01
Creation Time : Wed Dec 31 19:00:00 1969
Raid Level : raid5
Array Size : 1935556992 (1845.89 GiB 1982.01 GB)
Device Size : 71687296 (68.37 GiB 73.41 GB)
Raid Devices : 28
Total Devices : 28
Preferred Minor : 0
Persistence : Superblock is persistent
Update Time : Sun Jul 17 17:32:12 2005
State : clean, degraded
Active Devices : 27
Working Devices : 28
Failed Devices : 0
Spare Devices : 1
Layout : left-asymmetric
Chunk Size : 128K
UUID : 4e2b6b0a8e:92e91c0c:018a4bf0:9bb74d
Events : 176939
Number Major Minor RaidDevice State
0 8 0 0 active sync /dev/evms/.nodes/sda
1 8 16 1 active sync /dev/evms/.nodes/sdb
2 8 32 2 active sync /dev/evms/.nodes/sdc
3 8 48 3 active sync /dev/evms/.nodes/sdd
4 8 64 4 active sync /dev/evms/.nodes/sde
5 8 80 5 active sync /dev/evms/.nodes/sdf
6 8 96 6 active sync /dev/evms/.nodes/sdg
7 8 112 7 active sync /dev/evms/.nodes/sdh
8 8 128 8 active sync /dev/evms/.nodes/sdi
9 8 144 9 active sync /dev/evms/.nodes/sdj
10 8 160 10 active sync /dev/evms/.nodes/sdk
11 8 176 11 active sync /dev/evms/.nodes/sdl
12 8 192 12 active sync /dev/evms/.nodes/sdm
13 8 208 13 active sync /dev/evms/.nodes/sdn
14 8 224 14 active sync /dev/evms/.nodes/sdo
15 8 240 15 active sync /dev/evms/.nodes/sdp
16 65 0 16 active sync /dev/evms/.nodes/sdq
17 65 16 17 active sync /dev/evms/.nodes/sdr
18 65 32 18 active sync /dev/evms/.nodes/sds
19 65 48 19 active sync /dev/evms/.nodes/sdt
20 65 64 20 active sync /dev/evms/.nodes/sdu
21 65 80 21 active sync /dev/evms/.nodes/sdv
22 65 96 22 active sync /dev/evms/.nodes/sdw
23 65 112 23 active sync /dev/evms/.nodes/sdx
24 65 128 24 active sync /dev/evms/.nodes/sdy
25 65 144 25 active sync /dev/evms/.nodes/sdz
26 0 0 - removed
27 65 176 27 active sync
/dev/evms/.nodes/sdab
28 65 160 - spare /dev/evms/.nodes/sdaa
I've got 28 devices, 1 spare, 27 active. I'm still running as clean,
degraded.
What do I do next? What I wanted to do was to put /dev/sdaa back in as
device 26, but now it's device 28 - and flagged as spare. How do I
make it active in the array again?
-- David M. Strang
----- Original Message ----- From: Neil Brown
To: David M. Strang
Cc: linux-raid@xxxxxxxxxxxxxxx
Sent: Sunday, July 17, 2005 9:33 PM
Subject: Re: Raid5 Failure
Ahhhh... I cannot read my own code, that is the problem!!
This patch should fix it.
Thanks for persisting.
NeilBrown
Signed-off-by: Neil Brown <neilb@xxxxxxxxxxxxxxx>
### Diffstat output
./Manage.c | 7 ++-----
1 files changed, 2 insertions(+), 5 deletions(-)
diff ./Manage.c~current~ ./Manage.c
--- ./Manage.c~current~ 2005-07-07 09:19:53.000000000 +1000
+++ ./Manage.c 2005-07-18 11:31:57.000000000 +1000
@@ -204,11 +204,8 @@ int Manage_subdevs(char *devname, int fd
return 1;
}
close(tfd);
-#if 0
- if (array.major_version == 0) {
-#else
- if (md_get_version(fd)%100 < 2) {
-#endif
+ if (array.major_version == 0 &&
+ md_get_version(fd)%100 < 2) {
if (ioctl(fd, HOT_ADD_DISK,
(unsigned long)stb.st_rdev)==0) {
fprintf(stderr, Name ": hot added %s\n",
-
-
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