ls on empty pool never containing images
========================================
$ ceph osd pool create rbd_other 8
pool 'rbd_other' created
$ rbd pool init rbd_other
$ rados -p rbd rm rbd_directory >/dev/null 2>&1 || true
$ rbd ls
$ rbd ls --format json
[]
$ rbd ls --format xml
create
=======
$ rbd create -s 1024 --image-format 1 foo
rbd: image format 1 is deprecated
$ rbd create -s 512 --image-format 2 bar
$ rbd create -s 2048 --image-format 2 --image-feature layering baz
$ rbd create -s 1 --image-format 1 quux
rbd: image format 1 is deprecated
$ rbd create -s 1G --image-format 2 quuy
snapshot
========
$ rbd snap create bar@snap
$ rbd resize -s 1024 --no-progress bar
$ rbd resize -s 2G --no-progress quuy
$ rbd snap create bar@snap2
$ rbd snap create foo@snap
clone
=====
$ rbd snap protect bar@snap
$ rbd clone --image-feature layering,exclusive-lock,object-map,fast-diff bar@snap rbd_other/child
$ rbd snap create rbd_other/child@snap
$ rbd flatten rbd_other/child 2> /dev/null
$ rbd bench rbd_other/child --io-type write --io-pattern seq --io-total 1B > /dev/null 2>&1
$ rbd clone bar@snap rbd_other/deep-flatten-child
$ rbd snap create rbd_other/deep-flatten-child@snap
$ rbd flatten rbd_other/deep-flatten-child 2> /dev/null
lock
====
$ rbd lock add quux id
$ rbd lock add baz id1 --shared tag
$ rbd lock add baz id2 --shared tag
$ rbd lock add baz id3 --shared tag
test formatting
===============
$ rbd children foo@snap
$ rbd children bar@snap
rbd_other/child
$ rbd children bar@snap2
TODO: figure out why .* does not match the block_name_prefix line in rbd info.
For now, use a more inclusive regex.
$ rbd info foo
rbd image 'foo':
\tsize 1024 MB in 256 objects (esc)
\torder 22 (4096 kB objects) (esc)
[^^]+ (re)
\tformat: 1 (esc)
$ rbd info foo --format json | python -mjson.tool | sed 's/,$/, /'
{
"block_name_prefix": "rb.0.*", (glob)
"format": 1,
"name": "foo",
"object_size": 4194304,
"objects": 256,
"order": 22,
"size": 1073741824
}
The version of xml_pp included in ubuntu precise always prints a 'warning'
whenever it is run. grep -v to ignore it, but still work on other distros.
$ rbd info foo --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
foo
1073741824
256
22
4194304
rb.0.* (glob)
1
$ rbd info foo@snap
rbd image 'foo':
\tsize 1024 MB in 256 objects (esc)
\torder 22 (4096 kB objects) (esc)
[^^]+ (re)
\tformat: 1 (esc)
\tprotected: False (esc)
$ rbd info foo@snap --format json | python -mjson.tool | sed 's/,$/, /'
{
"block_name_prefix": "rb.0.*", (glob)
"format": 1,
"name": "foo",
"object_size": 4194304,
"objects": 256,
"order": 22,
"protected": "false",
"size": 1073741824
}
$ rbd info foo@snap --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
foo
1073741824
256
22
4194304
rb.0* (glob)
1
false
$ rbd info bar
rbd image 'bar':
\tsize 1024 MB in 256 objects (esc)
\torder 22 (4096 kB objects) (esc)
[^^]+ (re)
\tformat: 2 (esc)
\tfeatures: layering, exclusive-lock, object-map, fast-diff, deep-flatten (esc)
\tflags: (esc)
\tcreate_timestamp:* (glob)
$ rbd info bar --format json | python -mjson.tool | sed 's/,$/, /'
{
"block_name_prefix": "rbd_data.*", (glob)
"create_timestamp": "*", (glob)
"features": [
"layering",
"exclusive-lock",
"object-map",
"fast-diff",
"deep-flatten"
],
"flags": [],
"format": 2,
"name": "bar",
"object_size": 4194304,
"objects": 256,
"order": 22,
"size": 1073741824
}
$ rbd info bar --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
bar
1073741824
256
22
4194304
rbd_data.* (glob)
2
layering
exclusive-lock
object-map
fast-diff
deep-flatten
* (glob)
$ rbd info bar@snap
rbd image 'bar':
\tsize 512 MB in 128 objects (esc)
\torder 22 (4096 kB objects) (esc)
[^^]+ (re)
\tformat: 2 (esc)
\tfeatures: layering, exclusive-lock, object-map, fast-diff, deep-flatten (esc)
\tflags: (esc)
\tcreate_timestamp:* (glob)
\tprotected: True (esc)
$ rbd info bar@snap --format json | python -mjson.tool | sed 's/,$/, /'
{
"block_name_prefix": "rbd_data.*", (glob)
"create_timestamp": "*", (glob)
"features": [
"layering",
"exclusive-lock",
"object-map",
"fast-diff",
"deep-flatten"
],
"flags": [],
"format": 2,
"name": "bar",
"object_size": 4194304,
"objects": 128,
"order": 22,
"protected": "true",
"size": 536870912
}
$ rbd info bar@snap --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
bar
536870912
128
22
4194304
rbd_data.* (glob)
2
layering
exclusive-lock
object-map
fast-diff
deep-flatten
* (glob)
true
$ rbd info bar@snap2
rbd image 'bar':
\tsize 1024 MB in 256 objects (esc)
\torder 22 (4096 kB objects) (esc)
[^^]+ (re)
\tformat: 2 (esc)
\tfeatures: layering, exclusive-lock, object-map, fast-diff, deep-flatten (esc)
\tflags: (esc)
\tcreate_timestamp:* (glob)
\tprotected: False (esc)
$ rbd info bar@snap2 --format json | python -mjson.tool | sed 's/,$/, /'
{
"block_name_prefix": "rbd_data.*", (glob)
"create_timestamp": "*", (glob)
"features": [
"layering",
"exclusive-lock",
"object-map",
"fast-diff",
"deep-flatten"
],
"flags": [],
"format": 2,
"name": "bar",
"object_size": 4194304,
"objects": 256,
"order": 22,
"protected": "false",
"size": 1073741824
}
$ rbd info bar@snap2 --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
bar
1073741824
256
22
4194304
rbd_data.* (glob)
2
layering
exclusive-lock
object-map
fast-diff
deep-flatten
* (glob)
false
$ rbd info baz
rbd image 'baz':
\tsize 2048 MB in 512 objects (esc)
\torder 22 (4096 kB objects) (esc)
[^^]+ (re)
\tformat: 2 (esc)
\tfeatures: layering (esc)
\tflags: (esc)
\tcreate_timestamp:* (glob)
$ rbd info baz --format json | python -mjson.tool | sed 's/,$/, /'
{
"block_name_prefix": "rbd_data.*", (glob)
"create_timestamp": "*", (glob)
"features": [
"layering"
],
"flags": [],
"format": 2,
"name": "baz",
"object_size": 4194304,
"objects": 512,
"order": 22,
"size": 2147483648
}
$ rbd info baz --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
baz
2147483648
512
22
4194304
rbd_data.* (glob)
2
layering
* (glob)
$ rbd info quux
rbd image 'quux':
\tsize 1024 kB in 1 objects (esc)
\torder 22 (4096 kB objects) (esc)
[^^]+ (re)
\tformat: 1 (esc)
$ rbd info quux --format json | python -mjson.tool | sed 's/,$/, /'
{
"block_name_prefix": "rb.0.*", (glob)
"format": 1,
"name": "quux",
"object_size": 4194304,
"objects": 1,
"order": 22,
"size": 1048576
}
$ rbd info quux --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
quux
1048576
1
22
4194304
rb.0.* (glob)
1
$ rbd info rbd_other/child
rbd image 'child':
\tsize 512 MB in 128 objects (esc)
\torder 22 (4096 kB objects) (esc)
[^^]+ (re)
\tformat: 2 (esc)
\tfeatures: layering, exclusive-lock, object-map, fast-diff (esc)
\tflags: (esc)
\tcreate_timestamp:* (glob)
$ rbd info rbd_other/child --format json | python -mjson.tool | sed 's/,$/, /'
{
"block_name_prefix": "rbd_data.*", (glob)
"create_timestamp": "*", (glob)
"features": [
"layering",
"exclusive-lock",
"object-map",
"fast-diff"
],
"flags": [],
"format": 2,
"name": "child",
"object_size": 4194304,
"objects": 128,
"order": 22,
"size": 536870912
}
$ rbd info rbd_other/child --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
child
536870912
128
22
4194304
rbd_data.* (glob)
2
layering
exclusive-lock
object-map
fast-diff
* (glob)
$ rbd info rbd_other/child@snap
rbd image 'child':
\tsize 512 MB in 128 objects (esc)
\torder 22 (4096 kB objects) (esc)
[^^]+ (re)
\tformat: 2 (esc)
\tfeatures: layering, exclusive-lock, object-map, fast-diff (esc)
\tflags: (esc)
\tcreate_timestamp:* (glob)
\tprotected: False (esc)
\tparent: rbd/bar@snap (esc)
\toverlap: 512 MB (esc)
$ rbd info rbd_other/child@snap --format json | python -mjson.tool | sed 's/,$/, /'
{
"block_name_prefix": "rbd_data.*", (glob)
"create_timestamp": "*", (glob)
"features": [
"layering",
"exclusive-lock",
"object-map",
"fast-diff"
],
"flags": [],
"format": 2,
"name": "child",
"object_size": 4194304,
"objects": 128,
"order": 22,
"parent": {
"image": "bar",
"overlap": 536870912,
"pool": "rbd",
"snapshot": "snap"
},
"protected": "false",
"size": 536870912
}
$ rbd info rbd_other/child@snap --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
child
536870912
128
22
4194304
rbd_data.* (glob)
2
layering
exclusive-lock
object-map
fast-diff
* (glob)
false
rbd
bar
snap
536870912
$ rbd info rbd_other/deep-flatten-child
rbd image 'deep-flatten-child':
\tsize 512 MB in 128 objects (esc)
\torder 22 (4096 kB objects) (esc)
[^^]+ (re)
\tformat: 2 (esc)
\tfeatures: layering, exclusive-lock, object-map, fast-diff, deep-flatten (esc)
\tflags: (esc)
\tcreate_timestamp:* (glob)
$ rbd info rbd_other/deep-flatten-child --format json | python -mjson.tool | sed 's/,$/, /'
{
"block_name_prefix": "rbd_data.*", (glob)
"create_timestamp": "*", (glob)
"features": [
"layering",
"exclusive-lock",
"object-map",
"fast-diff",
"deep-flatten"
],
"flags": [],
"format": 2,
"name": "deep-flatten-child",
"object_size": 4194304,
"objects": 128,
"order": 22,
"size": 536870912
}
$ rbd info rbd_other/deep-flatten-child --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
deep-flatten-child
536870912
128
22
4194304
rbd_data.* (glob)
2
layering
exclusive-lock
object-map
fast-diff
deep-flatten
* (glob)
$ rbd info rbd_other/deep-flatten-child@snap
rbd image 'deep-flatten-child':
\tsize 512 MB in 128 objects (esc)
\torder 22 (4096 kB objects) (esc)
[^^]+ (re)
\tformat: 2 (esc)
\tfeatures: layering, exclusive-lock, object-map, fast-diff, deep-flatten (esc)
\tflags: (esc)
\tcreate_timestamp:* (glob)
\tprotected: False (esc)
$ rbd info rbd_other/deep-flatten-child@snap --format json | python -mjson.tool | sed 's/,$/, /'
{
"block_name_prefix": "rbd_data.*", (glob)
"create_timestamp": "*", (glob)
"features": [
"layering",
"exclusive-lock",
"object-map",
"fast-diff",
"deep-flatten"
],
"flags": [],
"format": 2,
"name": "deep-flatten-child",
"object_size": 4194304,
"objects": 128,
"order": 22,
"protected": "false",
"size": 536870912
}
$ rbd info rbd_other/deep-flatten-child@snap --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
deep-flatten-child
536870912
128
22
4194304
rbd_data.* (glob)
2
layering
exclusive-lock
object-map
fast-diff
deep-flatten
* (glob)
false
$ rbd list
foo
quux
bar
baz
quuy
$ rbd list --format json | python -mjson.tool | sed 's/,$/, /'
[
"foo",
"quux",
"bar",
"baz",
"quuy"
]
$ rbd list --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
foo
quux
bar
baz
quuy
$ rbd list -l
NAME SIZE PARENT FMT PROT LOCK
foo 1024M 1
foo@snap 1024M 1
quux 1024k 1 excl
bar 1024M 2
bar@snap 512M 2 yes
bar@snap2 1024M 2
baz 2048M 2 shr
quuy 2048M 2
$ rbd list -l --format json | python -mjson.tool | sed 's/,$/, /'
[
{
"format": 1,
"image": "foo",
"size": 1073741824
},
{
"format": 1,
"image": "foo",
"protected": "false",
"size": 1073741824,
"snapshot": "snap"
},
{
"format": 1,
"image": "quux",
"lock_type": "exclusive",
"size": 1048576
},
{
"format": 2,
"image": "bar",
"size": 1073741824
},
{
"format": 2,
"image": "bar",
"protected": "true",
"size": 536870912,
"snapshot": "snap"
},
{
"format": 2,
"image": "bar",
"protected": "false",
"size": 1073741824,
"snapshot": "snap2"
},
{
"format": 2,
"image": "baz",
"lock_type": "shared",
"size": 2147483648
},
{
"format": 2,
"image": "quuy",
"size": 2147483648
}
]
$ rbd list -l --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
foo
1073741824
1
foo
snap
1073741824
1
false
quux
1048576
1
exclusive
bar
1073741824
2
bar
snap
536870912
2
true
bar
snap2
1073741824
2
false
baz
2147483648
2
shared
quuy
2147483648
2
$ rbd list rbd_other
child
deep-flatten-child
$ rbd list rbd_other --format json | python -mjson.tool | sed 's/,$/, /'
[
"child",
"deep-flatten-child"
]
$ rbd list rbd_other --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
child
deep-flatten-child
$ rbd list rbd_other -l
NAME SIZE PARENT FMT PROT LOCK
child 512M 2
child@snap 512M rbd/bar@snap 2
deep-flatten-child 512M 2
deep-flatten-child@snap 512M 2
$ rbd list rbd_other -l --format json | python -mjson.tool | sed 's/,$/, /'
[
{
"format": 2,
"image": "child",
"size": 536870912
},
{
"format": 2,
"image": "child",
"parent": {
"image": "bar",
"pool": "rbd",
"snapshot": "snap"
},
"protected": "false",
"size": 536870912,
"snapshot": "snap"
},
{
"format": 2,
"image": "deep-flatten-child",
"size": 536870912
},
{
"format": 2,
"image": "deep-flatten-child",
"protected": "false",
"size": 536870912,
"snapshot": "snap"
}
]
$ rbd list rbd_other -l --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
child
536870912
2
child
snap
536870912
rbd
bar
snap
2
false
deep-flatten-child
536870912
2
deep-flatten-child
snap
536870912
2
false
$ rbd lock list foo
$ rbd lock list foo --format json | python -mjson.tool | sed 's/,$/, /'
{}
$ rbd lock list foo --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
$ rbd lock list quux
There is 1 exclusive lock on this image.
Locker*ID*Address* (glob)
client.* id * (glob)
$ rbd lock list quux --format json | python -mjson.tool | sed 's/,$/, /'
{
"id": {
"address": "*", (glob)
"locker": "client.*" (glob)
}
}
$ rbd lock list quux --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
client.* (glob)
* (glob)
$ rbd lock list baz
There are 3 shared locks on this image.
Lock tag: tag
Locker*ID*Address* (glob)
client.*id[123].* (re)
client.*id[123].* (re)
client.*id[123].* (re)
$ rbd lock list baz --format json | python -mjson.tool | sed 's/,$/, /'
{
"id1": {
"address": "*", (glob)
"locker": "client.*" (glob)
},
"id2": {
"address": "*", (glob)
"locker": "client.*" (glob)
},
"id3": {
"address": "*", (glob)
"locker": "client.*" (glob)
}
}
$ rbd lock list baz --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
(glob)
client.* (glob)
* (glob)
(glob)
(glob)
client.* (glob)
* (glob)
(glob)
(glob)
client.* (glob)
* (glob)
(glob)
$ rbd snap list foo
SNAPID NAME SIZE TIMESTAMP
*snap*1024*MB* (glob)
$ rbd snap list foo --format json | python -mjson.tool | sed 's/,$/, /'
[
{
"id": *, (glob)
"name": "snap",
"size": 1073741824,
"timestamp": ""
}
]
$ rbd snap list foo --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
* (glob)
snap
1073741824
$ rbd snap list bar
SNAPID NAME SIZE TIMESTAMP
*snap*512*MB* (glob)
*snap2*1024*MB* (glob)
$ rbd snap list bar --format json | python -mjson.tool | sed 's/,$/, /'
[
{
"id": *, (glob)
"name": "snap",
"size": 536870912,
"timestamp": * (glob)
},
{
"id": *, (glob)
"name": "snap2",
"size": 1073741824,
"timestamp": * (glob)
}
]
$ rbd snap list bar --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
* (glob)
snap
536870912
* (glob)
* (glob)
snap2
1073741824
* (glob)
$ rbd snap list baz
$ rbd snap list baz --format json | python -mjson.tool | sed 's/,$/, /'
[]
$ rbd snap list baz --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
$ rbd snap list rbd_other/child
SNAPID NAME SIZE TIMESTAMP
*snap*512*MB* (glob)
$ rbd snap list rbd_other/child --format json | python -mjson.tool | sed 's/,$/, /'
[
{
"id": *, (glob)
"name": "snap",
"size": 536870912,
"timestamp": * (glob)
}
]
$ rbd snap list rbd_other/child --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
* (glob)
snap
536870912
* (glob)
$ rbd disk-usage --pool rbd_other 2>/dev/null
NAME PROVISIONED USED
child@snap 512M 0
child 512M 4096k
deep-flatten-child@snap 512M 0
deep-flatten-child 512M 0
1024M 4096k
$ rbd disk-usage --pool rbd_other --format json | python -mjson.tool | sed 's/,$/, /'
{
"images": [
{
"name": "child",
"provisioned_size": 536870912,
"snapshot": "snap",
"used_size": 0
},
{
"name": "child",
"provisioned_size": 536870912,
"used_size": 4194304
},
{
"name": "deep-flatten-child",
"provisioned_size": 536870912,
"snapshot": "snap",
"used_size": 0
},
{
"name": "deep-flatten-child",
"provisioned_size": 536870912,
"used_size": 0
}
],
"total_provisioned_size": 1073741824,
"total_used_size": 4194304
}
$ rbd disk-usage --pool rbd_other --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
child
snap
536870912
0
child
536870912
4194304
deep-flatten-child
snap
536870912
0
deep-flatten-child
536870912
0
1073741824
4194304
# cleanup
$ rbd snap remove --no-progress rbd_other/deep-flatten-child@snap
$ rbd snap remove --no-progress rbd_other/child@snap
$ rbd snap unprotect bar@snap
$ rbd snap purge bar 2> /dev/null
$ rbd snap purge foo 2> /dev/null
$ rbd rm rbd_other/deep-flatten-child 2> /dev/null
$ rbd rm rbd_other/child 2> /dev/null
$ rbd rm foo 2> /dev/null
$ rbd rm bar 2> /dev/null
$ rbd rm quux 2> /dev/null
$ rbd rm quuy 2> /dev/null
$ rbd rm baz 2> /dev/null
$ ceph osd pool delete rbd_other rbd_other --yes-i-really-really-mean-it
pool 'rbd_other' removed