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ceph/qa/rbd/krbd_deep_flatten.t
Ilya Dryomov 6892da1c0b qa: krbd deep-flatten test 
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-03-08 18:14:37 +01:00

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Write:
$ rbd create --size 12M --image-feature layering,deep-flatten img
$ DEV=$(sudo rbd map img)
$ xfs_io -c 'pwrite -w 0 12M' $DEV >/dev/null
$ sudo rbd unmap $DEV
$ rbd snap create img@snap
$ rbd snap protect img@snap
$ rbd clone img@snap cloneimg
$ rbd snap create cloneimg@snap
$ DEV=$(sudo rbd map cloneimg)
$ xfs_io -c 'pwrite -S 0xab -w 6M 1k' $DEV >/dev/null
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0600000 abab abab abab abab abab abab abab abab
*
0600400 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg@snap)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ rbd flatten --no-progress cloneimg
$ rbd snap unprotect img@snap
$ rbd snap rm --no-progress img@snap
$ rbd rm --no-progress img
$ DEV=$(sudo rbd map cloneimg)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0600000 abab abab abab abab abab abab abab abab
*
0600400 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg@snap)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ rbd snap rm --no-progress cloneimg@snap
$ rbd rm --no-progress cloneimg
Write, whole object:
$ rbd create --size 12M --image-feature layering,deep-flatten img
$ DEV=$(sudo rbd map img)
$ xfs_io -c 'pwrite -w 0 12M' $DEV >/dev/null
$ sudo rbd unmap $DEV
$ rbd snap create img@snap
$ rbd snap protect img@snap
$ rbd clone img@snap cloneimg
$ rbd snap create cloneimg@snap
$ DEV=$(sudo rbd map cloneimg)
$ xfs_io -d -c 'pwrite -b 4M -S 0xab 4M 4M' $DEV >/dev/null
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0400000 abab abab abab abab abab abab abab abab
*
0800000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg@snap)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ rbd flatten --no-progress cloneimg
$ rbd snap unprotect img@snap
$ rbd snap rm --no-progress img@snap
$ rbd rm --no-progress img
$ DEV=$(sudo rbd map cloneimg)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0400000 abab abab abab abab abab abab abab abab
*
0800000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg@snap)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ rbd snap rm --no-progress cloneimg@snap
$ rbd rm --no-progress cloneimg
Zeroout:
$ rbd create --size 12M --image-feature layering,deep-flatten img
$ DEV=$(sudo rbd map img)
$ xfs_io -c 'pwrite -w 0 12M' $DEV >/dev/null
$ sudo rbd unmap $DEV
$ rbd snap create img@snap
$ rbd snap protect img@snap
$ rbd clone img@snap cloneimg
$ rbd snap create cloneimg@snap
$ DEV=$(sudo rbd map cloneimg)
$ fallocate -z -o 6M -l 1k $DEV
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0600000 0000 0000 0000 0000 0000 0000 0000 0000
*
0600400 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg@snap)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ rbd flatten --no-progress cloneimg
$ rbd snap unprotect img@snap
$ rbd snap rm --no-progress img@snap
$ rbd rm --no-progress img
$ DEV=$(sudo rbd map cloneimg)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0600000 0000 0000 0000 0000 0000 0000 0000 0000
*
0600400 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg@snap)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ rbd snap rm --no-progress cloneimg@snap
$ rbd rm --no-progress cloneimg
Zeroout, whole object:
$ rbd create --size 12M --image-feature layering,deep-flatten img
$ DEV=$(sudo rbd map img)
$ xfs_io -c 'pwrite -w 0 12M' $DEV >/dev/null
$ sudo rbd unmap $DEV
$ rbd snap create img@snap
$ rbd snap protect img@snap
$ rbd clone img@snap cloneimg
$ rbd snap create cloneimg@snap
$ DEV=$(sudo rbd map cloneimg)
$ fallocate -z -o 4M -l 4M $DEV
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0400000 0000 0000 0000 0000 0000 0000 0000 0000
*
0800000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg@snap)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ rbd flatten --no-progress cloneimg
$ rbd snap unprotect img@snap
$ rbd snap rm --no-progress img@snap
$ rbd rm --no-progress img
$ DEV=$(sudo rbd map cloneimg)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0400000 0000 0000 0000 0000 0000 0000 0000 0000
*
0800000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg@snap)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ rbd snap rm --no-progress cloneimg@snap
$ rbd rm --no-progress cloneimg
Discard, whole object, empty clone:
$ rbd create --size 12M --image-feature layering,deep-flatten img
$ DEV=$(sudo rbd map img)
$ xfs_io -c 'pwrite -w 0 12M' $DEV >/dev/null
$ sudo rbd unmap $DEV
$ rbd snap create img@snap
$ rbd snap protect img@snap
$ rbd clone img@snap cloneimg
$ rbd snap create cloneimg@snap
$ DEV=$(sudo rbd map cloneimg)
$ blkdiscard -o 4M -l 4M $DEV
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg@snap)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ rbd flatten --no-progress cloneimg
$ rbd snap unprotect img@snap
$ rbd snap rm --no-progress img@snap
$ rbd rm --no-progress img
$ DEV=$(sudo rbd map cloneimg)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg@snap)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ rbd snap rm --no-progress cloneimg@snap
$ rbd rm --no-progress cloneimg
Discard, whole object, full clone:
$ rbd create --size 12M --image-feature layering,deep-flatten img
$ DEV=$(sudo rbd map img)
$ xfs_io -c 'pwrite -w 0 12M' $DEV >/dev/null
$ sudo rbd unmap $DEV
$ rbd snap create img@snap
$ rbd snap protect img@snap
$ rbd clone img@snap cloneimg
$ rbd snap create cloneimg@snap
$ DEV=$(sudo rbd map cloneimg)
$ xfs_io -c 'pwrite -S 0xab -w 0 12M' $DEV >/dev/null
$ blkdiscard -o 4M -l 4M $DEV
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg)
$ hexdump $DEV
0000000 abab abab abab abab abab abab abab abab
*
0400000 0000 0000 0000 0000 0000 0000 0000 0000
*
0800000 abab abab abab abab abab abab abab abab
*
0c00000
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg@snap)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ rbd flatten --no-progress cloneimg
$ rbd snap unprotect img@snap
$ rbd snap rm --no-progress img@snap
$ rbd rm --no-progress img
$ DEV=$(sudo rbd map cloneimg)
$ hexdump $DEV
0000000 abab abab abab abab abab abab abab abab
*
0400000 0000 0000 0000 0000 0000 0000 0000 0000
*
0800000 abab abab abab abab abab abab abab abab
*
0c00000
$ sudo rbd unmap $DEV
$ DEV=$(sudo rbd map cloneimg@snap)
$ hexdump $DEV
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0c00000
$ sudo rbd unmap $DEV
$ rbd snap rm --no-progress cloneimg@snap
$ rbd rm --no-progress cloneimg
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