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new: blockdev/003 basic blockdev T10-DIF-TYPE1 integrity checks
Test create virtual block device via lio-targed infastructure and perform basic IO operations with data corruption detection. Temprorally mark is as dangerous, because currently it trigger BUG_ON inside blkdev_issue_flush BTW: I use 'dd' to test read from corrupted image instead of xfs_io because even if pread failed, xfs_io still exit with success, BUG?
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Dmitry Monakhov
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Apr 3, 2017
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,158 @@ | ||
| #! /bin/bash | ||
| # FS QA Test 003 | ||
| # | ||
| # Check basic T10-DIF integrity features for a block device | ||
| # | ||
| # DIF/DIX TYPE: T10-DIF-TYPE1-CRC | ||
| # Kernel docs: Documentation/blockdev/data-integrity.txt | ||
| #----------------------------------------------------------------------- | ||
| # Copyright (c) 2017 Dmitry Monakhov <dmonakhov@openvz.org> | ||
| # All Rights Reserved. | ||
| # | ||
| # This program is free software; you can redistribute it and/or | ||
| # modify it under the terms of the GNU General Public License as | ||
| # published by the Free Software Foundation. | ||
| # | ||
| # This program is distributed in the hope that it would be useful, | ||
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| # GNU General Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU General Public License | ||
| # along with this program; if not, write the Free Software Foundation, | ||
| # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
| #----------------------------------------------------------------------- | ||
| # | ||
|
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| seq=`basename $0` | ||
| seqres=$RESULT_DIR/$seq | ||
| echo "QA output created by $seq" | ||
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| here=`pwd` | ||
| tmp=/tmp/$$ | ||
| status=1 # failure is the default! | ||
| trap "_cleanup; exit \$status" 0 1 2 3 15 | ||
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| _cleanup() | ||
| { | ||
| cd / | ||
| rm -f $tmp.* | ||
| _liotgt_cleanup | ||
| rm -rf $TEST_DIR/$$ | ||
| } | ||
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| # get standard environment, filters and checks | ||
| . ./common/rc | ||
| . ./common/filter | ||
| . ./common/liotarget | ||
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| # remove previous $seqres.full before test | ||
| rm -f $seqres.full | ||
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| # real QA test starts here | ||
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| # Modify as appropriate. | ||
| _supported_fs generic | ||
| _supported_os Linux | ||
| _require_test | ||
| _require_liotarget | ||
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| mkdir -p $TEST_DIR/$$ || _fail "Can not make test dir" | ||
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| # One full test suite | ||
| _run_one() | ||
| { | ||
| local img_name=$1 | ||
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| echo "Run: $img_name" | ||
| echo "T0: Test basic IO" | ||
| $XFS_IO_PROG -c "pwrite -S 0xa0 -b 4M 0 16M" -d $dev >>$seqres.full 2>&1 || \ | ||
| _fail "pwrite failed" | ||
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| $XFS_IO_PROG -c "pwrite -S 0xa1 -b 1k -V8 20M 32k" -d $dev >>$seqres.full 2>&1 || \ | ||
| _fail "pwrite failed" | ||
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| $XFS_IO_PROG -c "pwrite -S 0xa2 -b 1k -V8 2M 32k" -f $dev >>$seqres.full 2>&1 || \ | ||
| _fail "pwrite failed" | ||
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| $XFS_IO_PROG -c "pwrite -S 0xa3 -b 4k 1536000 8k" -f $dev >>$seqres.full 2>&1 || \ | ||
| _fail "pwrite failed" | ||
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| $XFS_IO_PROG -c "fsync" -d $dev >>$seqres.full 2>&1 || _fail "fsync failed" | ||
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| echo "Check that buffered and direct read works" | ||
| dd if=$dev bs=4k 2>>$seqres.full | md5sum | ||
| dd if=$dev bs=4M iflag=direct 2>>$seqres.full | md5sum | ||
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| echo "Check csum corruption detection" | ||
| # LIO-fileio store t10 DIF data in separate file ${IMG}.protection | ||
| # struct t10_pi_tuple { | ||
| # __be16 guard_tag; /* Checksum */ | ||
| # __be16 app_tag; /* Opaque storage */ | ||
| # __be32 ref_tag; /* Target LBA or indirect LBA */ | ||
| #} | ||
| # Play with 3000'th sector -> t10_pi_tuple offset == 3000 * 8 == 24000 | ||
| # | ||
| echo "T1: Corrupt guard_tag, next read should fail" | ||
| $XFS_IO_PROG -c "pwrite -S 0xde -b2 24000 2 -w" \ | ||
| -f $TEST_DIR/$$/$img_name.protection >>$seqres.full 2>&1 | ||
| dd if=$dev of=/dev/null bs=1M count=2 iflag=direct >>$seqres.full 2>&1 && | ||
| _fail "read should fail on 3000'th sector" | ||
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| echo "T2: Check that unaffected blocks are still readable" | ||
| dd if=$dev of=/dev/null bs=1M count=1 iflag=direct >>$seqres.full 2>&1 || _fail "read failed" | ||
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| echo "T3: Rewrite corrupted sector and check that read works" | ||
| $XFS_IO_PROG -c "pwrite -S 0xa3 -b 4k 1536000 4k" -d $dev >>$seqres.full 2>&1 || \ | ||
| _fail "pwrite failed" | ||
| dd if=$dev bs=2M count=1 iflag=direct >>$seqres.full 2>&1 || _fail "read failed" | ||
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| echo "T4: Corrupt app_tag, should not affect read" | ||
| $XFS_IO_PROG -c "pwrite -S 0xde -b2 24002 2 -w" \ | ||
| -f $TEST_DIR/$$/$img_name.protection >>$seqres.full 2>&1 | ||
| dd if=$dev bs=2M count=1 iflag=direct >>$seqres.full 2>&1 || _fail "read failed" | ||
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| echo "T5: Corrupt ref_tag, next read should fail" | ||
| $XFS_IO_PROG -c "pwrite -S 0xde -b4 24004 4 -w" \ | ||
| $TEST_DIR/$$/$img_name.protection >>$seqres.full 2>&1 | ||
| dd if=$dev of=/dev/null bs=1M count=2 iflag=direct >>$seqres.full 2>&1 && | ||
| _fail "read should fail on 3000'th sector" | ||
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| echo "T6: Check that unaffected blocks are still readable" | ||
| dd if=$dev of=/dev/null bs=1M count=1 iflag=direct >>$seqres.full 2>&1 || _fail "read failed" | ||
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| echo "T7: Rewrite corrupted sector and check that read works" | ||
| $XFS_IO_PROG -c "pwrite -S 0xa3 -b 4k 1536000 4k" -d $dev >>$seqres.full 2>&1 || \ | ||
| _fail "pwrite failed" | ||
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| echo "Check that buffered and direct read works" | ||
| dd if=$dev bs=4k 2>>$seqres.full | md5sum | ||
| dd if=$dev bs=4M iflag=direct 2>>$seqres.full | md5sum | ||
| # success, all done | ||
| } | ||
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| # Create virtual scsi target with internal csum verification | ||
| name=dif-type1-w | ||
| cfg_path=$(_liotgt_create_fileio $name $TEST_DIR/$$/$name 32M) | ||
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| _liotgt_set_attribute $cfg_path pi_prot_type 1 | ||
| _liotgt_set_attribute $cfg_path pi_prot_format 1 | ||
| _liotgt_set_attribute $cfg_path pi_prot_verify 1 | ||
| dev=$(_liotgt_attach_target /backstores/fileio/$name) | ||
| _run_one $name | ||
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| # Create virtual scsi target w/o internal csum verification, | ||
| # check that core blk_integrity_profile->verify_fn works | ||
| # | ||
| name=dif-type1-wo | ||
| cfg_path=$(_liotgt_create_fileio $name $TEST_DIR/$$/$name 32M) | ||
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| _liotgt_set_attribute $cfg_path pi_prot_type 1 | ||
| _liotgt_set_attribute $cfg_path pi_prot_format 1 | ||
| _liotgt_set_attribute $cfg_path pi_prot_verify 0 | ||
| dev=$(_liotgt_attach_target /backstores/fileio/$name) | ||
| _run_one $name | ||
|
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| status=0 | ||
| exit |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| QA output created by 003 | ||
| Run: dif-type1-w | ||
| T0: Test basic IO | ||
| Check that buffered and direct read works | ||
| d4dacb57332e9125d56a0bad5fbfb8ff - | ||
| d4dacb57332e9125d56a0bad5fbfb8ff - | ||
| Check csum corruption detection | ||
| T1: Corrupt guard_tag, next read should fail | ||
| T2: Check that unaffected blocks are still readable | ||
| T3: Rewrite corrupted sector and check that read works | ||
| T4: Corrupt app_tag, should not affect read | ||
| T5: Corrupt ref_tag, next read should fail | ||
| T6: Check that unaffected blocks are still readable | ||
| T7: Rewrite corrupted sector and check that read works | ||
| Check that buffered and direct read works | ||
| d4dacb57332e9125d56a0bad5fbfb8ff - | ||
| d4dacb57332e9125d56a0bad5fbfb8ff - | ||
| Run: dif-type1-wo | ||
| T0: Test basic IO | ||
| Check that buffered and direct read works | ||
| d4dacb57332e9125d56a0bad5fbfb8ff - | ||
| d4dacb57332e9125d56a0bad5fbfb8ff - | ||
| Check csum corruption detection | ||
| T1: Corrupt guard_tag, next read should fail | ||
| T2: Check that unaffected blocks are still readable | ||
| T3: Rewrite corrupted sector and check that read works | ||
| T4: Corrupt app_tag, should not affect read | ||
| T5: Corrupt ref_tag, next read should fail | ||
| T6: Check that unaffected blocks are still readable | ||
| T7: Rewrite corrupted sector and check that read works | ||
| Check that buffered and direct read works | ||
| d4dacb57332e9125d56a0bad5fbfb8ff - | ||
| d4dacb57332e9125d56a0bad5fbfb8ff - |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -5,3 +5,4 @@ | |
| # | ||
| 001 rw blockdev | ||
| 002 rw blockdev liotarget | ||
| 003 rw blockdev liotarget integrity dangerous | ||