recepies/zfs/replace-failing-drive.sh

#!/bin/sh -x

pool=t1

# destroy existing pool
zpool status $pool && zpool destroy $pool

mkdisk() {
        dd if=/dev/zero of=disk/$1 bs=1M count=64
}

test -d disk || mkdir disk
mkdisk 1
mkdisk 2
mkdisk 3
mkdisk 4
mkdisk 5
mkdisk 6
mkdisk 7
mkdisk 8
mkdisk 9
mkdisk 10
mkdisk 11
mkdisk spare

d=`pwd`/disk

zpool create $pool raidz1 $d/1 $d/2 $d/3 $d/4 $d/5 $d/6 $d/7 $d/8 $d/9 $d/10 $d/11 spare $d/spare

zpool status $pool

dd if=/dev/zero of=/$pool/foo bs=1M count=500

zfs list $pool

dd if=/dev/urandom of=$d/11 bs=1M count=20

zpool status $pool

zpool scrub $pool

zpool status $pool

zpool replace $pool $d/11 $d/spare

zpool status $pool

zpool detach $pool $d/11

zpool status $pool

mkdisk 11.replaced

zpool replace $pool $d/spare $d/11.replaced

zpool status $pool
1	#!/bin/sh -x
2
3	pool=t1
4
5	# destroy existing pool
6	zpool status $pool && zpool destroy $pool
7
8	mkdisk() {
9	dd if=/dev/zero of=disk/$1 bs=1M count=64
10	}
11
12	test -d disk \|\| mkdir disk
13	mkdisk 1
14	mkdisk 2
15	mkdisk 3
16	mkdisk 4
17	mkdisk 5
18	mkdisk 6
19	mkdisk 7
20	mkdisk 8
21	mkdisk 9
22	mkdisk 10
23	mkdisk 11
24	mkdisk spare
25
26	d=`pwd`/disk
27
28	zpool create $pool raidz1 $d/1 $d/2 $d/3 $d/4 $d/5 $d/6 $d/7 $d/8 $d/9 $d/10 $d/11 spare $d/spare
29
30	zpool status $pool
31
32	dd if=/dev/zero of=/$pool/foo bs=1M count=500
33
34	zfs list $pool
35
36	dd if=/dev/urandom of=$d/11 bs=1M count=20
37
38	zpool status $pool
39
40	zpool scrub $pool
41
42	zpool status $pool
43
44	zpool replace $pool $d/11 $d/spare
45
46	zpool status $pool
47
48	zpool detach $pool $d/11
49
50	zpool status $pool
51
52	mkdisk 11.replaced
53
54	zpool replace $pool $d/spare $d/11.replaced
55
56	zpool status $pool