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	dpavlin	266	#!/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