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|
create
=======
$ rbd create -s 1024 foo
$ rbd create -s 512 --image-format 2 bar
$ rbd create -s 2048 --image-format 2 baz
$ rbd create -s 1 quux
snapshot
========
$ rbd snap create bar@snap
$ rbd resize -s 1024 bar
Resizing image: 100% complete...done.
$ rbd snap create bar@snap2
$ rbd snap create foo@snap
clone
=====
$ rbd snap protect bar@snap
$ rbd clone bar@snap data/child
$ rbd snap create data/child@snap
$ rbd flatten data/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
data/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
{
"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'
<image>
<name>foo</name>
<size>1073741824</size>
<objects>256</objects>
<order>22</order>
<object_size>4194304</object_size>
<block_name_prefix>rb.0.*</block_name_prefix> (glob)
<format>1</format>
</image>
$ 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
{
"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'
<image>
<name>foo</name>
<size>1073741824</size>
<objects>256</objects>
<order>22</order>
<object_size>4194304</object_size>
<block_name_prefix>rb.0*</block_name_prefix> (glob)
<format>1</format>
<protected>false</protected>
</image>
$ 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 (esc)
$ rbd info bar --format json | python -mjson.tool
{
"block_name_prefix": "rbd_data.*", (glob)
"features": [
"layering",
"striping"
],
"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'
<image>
<name>bar</name>
<size>1073741824</size>
<objects>256</objects>
<order>22</order>
<object_size>4194304</object_size>
<block_name_prefix>rbd_data.*</block_name_prefix> (glob)
<format>2</format>
<features>
<feature>layering</feature>
<feature>striping</feature>
</features>
</image>
$ 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 (esc)
\tprotected: True (esc)
$ rbd info bar@snap --format json | python -mjson.tool
{
"block_name_prefix": "rbd_data.*", (glob)
"features": [
"layering",
"striping"
],
"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'
<image>
<name>bar</name>
<size>536870912</size>
<objects>128</objects>
<order>22</order>
<object_size>4194304</object_size>
<block_name_prefix>rbd_data.*</block_name_prefix> (glob)
<format>2</format>
<features>
<feature>layering</feature>
<feature>striping</feature>
</features>
<protected>true</protected>
</image>
$ 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 (esc)
\tprotected: False (esc)
$ rbd info bar@snap2 --format json | python -mjson.tool
{
"block_name_prefix": "rbd_data.*", (glob)
"features": [
"layering",
"striping"
],
"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'
<image>
<name>bar</name>
<size>1073741824</size>
<objects>256</objects>
<order>22</order>
<object_size>4194304</object_size>
<block_name_prefix>rbd_data.*</block_name_prefix> (glob)
<format>2</format>
<features>
<feature>layering</feature>
<feature>striping</feature>
</features>
<protected>false</protected>
</image>
$ 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)
$ rbd info baz --format json | python -mjson.tool
{
"block_name_prefix": "rbd_data.*", (glob)
"features": [
"layering",
"striping"
],
"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'
<image>
<name>baz</name>
<size>2147483648</size>
<objects>512</objects>
<order>22</order>
<object_size>4194304</object_size>
<block_name_prefix>rbd_data.*</block_name_prefix> (glob)
<format>2</format>
<features>
<feature>layering</feature>
<feature>striping</feature>
</features>
</image>
$ 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
{
"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'
<image>
<name>quux</name>
<size>1048576</size>
<objects>1</objects>
<order>22</order>
<object_size>4194304</object_size>
<block_name_prefix>rb.0.*</block_name_prefix> (glob)
<format>1</format>
</image>
$ rbd info data/child
rbd image 'child':
\tsize 512 MB in 128 objects (esc)
\torder 22 (4096 kB objects) (esc)
[^^]+ (re)
\tformat: 2 (esc)
\tfeatures: layering (esc)
$ rbd info data/child --format json | python -mjson.tool
{
"block_name_prefix": "rbd_data.*", (glob)
"features": [
"layering",
"striping"
],
"format": 2,
"name": "child",
"object_size": 4194304,
"objects": 128,
"order": 22,
"size": 536870912
}
$ rbd info data/child --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
<image>
<name>child</name>
<size>536870912</size>
<objects>128</objects>
<order>22</order>
<object_size>4194304</object_size>
<block_name_prefix>rbd_data.*</block_name_prefix> (glob)
<format>2</format>
<features>
<feature>layering</feature>
<feature>striping</feature>
</features>
</image>
$ rbd info data/child@snap
rbd image 'child':
\tsize 512 MB in 128 objects (esc)
\torder 22 (4096 kB objects) (esc)
[^^]+ (re)
\tformat: 2 (esc)
\tfeatures: layering (esc)
\tprotected: False (esc)
\tparent: rbd/bar@snap (esc)
\toverlap: 512 MB (esc)
$ rbd info data/child@snap --format json | python -mjson.tool
{
"block_name_prefix": "rbd_data.*", (glob)
"features": [
"layering",
"striping"
],
"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 data/child@snap --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
<image>
<name>child</name>
<size>536870912</size>
<objects>128</objects>
<order>22</order>
<object_size>4194304</object_size>
<block_name_prefix>rbd_data.*</block_name_prefix> (glob)
<format>2</format>
<features>
<feature>layering</feature>
<feature>striping</feature>
</features>
<protected>false</protected>
<parent>
<pool>rbd</pool>
<image>bar</image>
<snapshot>snap</snapshot>
<overlap>536870912</overlap>
</parent>
</image>
$ rbd list
foo
quux
bar
baz
$ rbd list --format json | python -mjson.tool
[
"foo",
"quux",
"bar",
"baz"
]
$ rbd list --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
<images>
<name>foo</name>
<name>quux</name>
<name>bar</name>
<name>baz</name>
</images>
$ 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
$ rbd list -l --format json | python -mjson.tool
[
{
"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
}
]
$ rbd list -l --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
<images>
<image>
<image>foo</image>
<size>1073741824</size>
<format>1</format>
</image>
<snapshot>
<image>foo</image>
<snapshot>snap</snapshot>
<size>1073741824</size>
<format>1</format>
<protected>false</protected>
</snapshot>
<image>
<image>quux</image>
<size>1048576</size>
<format>1</format>
<lock_type>exclusive</lock_type>
</image>
<image>
<image>bar</image>
<size>1073741824</size>
<format>2</format>
</image>
<snapshot>
<image>bar</image>
<snapshot>snap</snapshot>
<size>536870912</size>
<format>2</format>
<protected>true</protected>
</snapshot>
<snapshot>
<image>bar</image>
<snapshot>snap2</snapshot>
<size>1073741824</size>
<format>2</format>
<protected>false</protected>
</snapshot>
<image>
<image>baz</image>
<size>2147483648</size>
<format>2</format>
<lock_type>shared</lock_type>
</image>
</images>
$ rbd list data
child
$ rbd list data --format json | python -mjson.tool
[
"child"
]
$ rbd list data --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
<images>
<name>child</name>
</images>
$ rbd list data -l
NAME SIZE PARENT FMT PROT LOCK
child 512M 2
child@snap 512M rbd/bar@snap 2
$ rbd list data -l --format json | python -mjson.tool
[
{
"format": 2,
"image": "child",
"size": 536870912
},
{
"format": 2,
"image": "child",
"parent": {
"image": "bar",
"pool": "rbd",
"snapshot": "snap"
},
"protected": "false",
"size": 536870912,
"snapshot": "snap"
}
]
$ rbd list data -l --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
<images>
<image>
<image>child</image>
<size>536870912</size>
<format>2</format>
</image>
<snapshot>
<image>child</image>
<snapshot>snap</snapshot>
<size>536870912</size>
<parent>
<pool>rbd</pool>
<image>bar</image>
<snapshot>snap</snapshot>
</parent>
<format>2</format>
<protected>false</protected>
</snapshot>
</images>
$ rbd lock list foo
$ rbd lock list foo --format json | python -mjson.tool
{}
$ rbd lock list foo --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
<locks></locks>
$ 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
{
"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'
<locks>
<id>
<locker>client.*</locker> (glob)
<address>*</address> (glob)
</id>
</locks>
$ 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
{
"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'
<locks>
<id*> (glob)
<locker>client.*</locker> (glob)
<address>*</address> (glob)
</id*> (glob)
<id*> (glob)
<locker>client.*</locker> (glob)
<address>*</address> (glob)
</id*> (glob)
<id*> (glob)
<locker>client.*</locker> (glob)
<address>*</address> (glob)
</id*> (glob)
</locks>
$ rbd snap list foo
SNAPID NAME SIZE
*snap*1024*MB* (glob)
$ rbd snap list foo --format json | python -mjson.tool
[
{
"id": *, (glob)
"name": "snap",
"size": 1073741824
}
]
$ rbd snap list foo --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
<snapshots>
<snapshot>
<id>*</id> (glob)
<name>snap</name>
<size>1073741824</size>
</snapshot>
</snapshots>
$ rbd snap list bar
SNAPID NAME SIZE
*snap*512*MB* (glob)
*snap2*1024*MB* (glob)
$ rbd snap list bar --format json | python -mjson.tool
[
{
"id": *, (glob)
"name": "snap",
"size": 536870912
},
{
"id": *, (glob)
"name": "snap2",
"size": 1073741824
}
]
$ rbd snap list bar --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
<snapshots>
<snapshot>
<id>*</id> (glob)
<name>snap</name>
<size>536870912</size>
</snapshot>
<snapshot>
<id>*</id> (glob)
<name>snap2</name>
<size>1073741824</size>
</snapshot>
</snapshots>
$ rbd snap list baz
$ rbd snap list baz --format json | python -mjson.tool
[]
$ rbd snap list baz --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
<snapshots></snapshots>
$ rbd snap list data/child
SNAPID NAME SIZE
*snap*512*MB* (glob)
$ rbd snap list data/child --format json | python -mjson.tool
[
{
"id": *, (glob)
"name": "snap",
"size": 536870912
}
]
$ rbd snap list data/child --format xml | xml_pp 2>&1 | grep -v '^new version at /usr/bin/xml_pp'
<snapshots>
<snapshot>
<id>*</id> (glob)
<name>snap</name>
<size>536870912</size>
</snapshot>
</snapshots>
# cleanup
$ rbd snap remove data/child@snap
$ rbd snap unprotect bar@snap
$ rbd snap purge bar 2> /dev/null
$ rbd snap purge foo 2> /dev/null
$ rbd rm data/child 2> /dev/null
$ rbd rm foo 2> /dev/null
$ rbd rm bar 2> /dev/null
$ rbd rm quux 2> /dev/null
$ rbd rm baz 2> /dev/null
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