mirror of
git://sourceware.org/git/lvm2.git
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202 lines
5.2 KiB
Bash
202 lines
5.2 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2020 Red Hat, Inc. All rights reserved.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions
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# of the GNU General Public License v.2.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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test_description='device id wwid from vpd_pg83'
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. lib/inittest
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test "$DM_DEV_DIR" = "/dev" || skip "Only works with /dev access -> make check LVM_TEST_DEVDIR=/dev"
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aux lvmconf 'devices/use_devicesfile = 1'
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# requires trailing / to match dm
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aux lvmconf 'devices/device_id_sysfs_dir = "/test/sys/"'
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SYS_DIR="/test/sys"
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# These values match the values encoded in the binary blob
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# written to dev1_vpd_pg83
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DEV1_NAA=naa.600a098038303877413f4e7049592e6e
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DEV1_EUI=eui.3f4e7049592d6f0000a0973730387741
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DEV1_T10=t10.LVMTST_LUN_809wALVMTSTo
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# dev has a second naa wwid
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DEV1_NAA2=naa.600a098000000002ac18542400000dbd
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# dev has a third naa wwid in the scsi name field
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DEV1_NAA3=naa.553b13644430344b4e3f486d32647962
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create_base() {
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mkdir -p $SYS_DIR/dev/block
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echo -n "0083 009c 0201 0020 4c56 4d54 5354 2020 \
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204c 554e 2038 3039 7741 4c56 4d54 5354 \
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6f20 2020 2020 2020 0103 0010 600a 0980 \
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3830 3877 413f 4e70 4959 2e6e 0102 0010 \
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3f4e 7049 592d 6f00 00a0 9737 3038 7741 \
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0113 0010 600a 0980 0000 0002 ac18 5424 \
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0000 0dbd 0114 0004 0101 0005 0115 0004 \
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0000 03ec 0328 0028 6e61 612e 3535 3342 \
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3133 3634 3434 3330 3334 3442 3445 3346 \
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3438 3644 3332 3634 3739 3632 0000 0000" | xxd -r -p > $SYS_DIR/dev1_vpd_pg83
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}
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remove_base() {
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rm $SYS_DIR/dev1_vpd_pg83
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rmdir $SYS_DIR/dev/block
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rmdir $SYS_DIR/dev
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rmdir $SYS_DIR
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}
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setup_sysfs() {
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mkdir -p $SYS_DIR/dev/block/$MAJOR1:$MINOR1/device
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echo $1 > $SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/wwid
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cp $SYS_DIR/dev1_vpd_pg83 $SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/vpd_pg83
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}
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cleanup_sysfs() {
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rm -f $SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/wwid
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rm -f $SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/vpd_pg83
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rmdir $SYS_DIR/dev/block/$MAJOR1:$MINOR1/device
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rmdir $SYS_DIR/dev/block/$MAJOR1:$MINOR1
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}
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modprobe scsi_debug dev_size_mb=16 num_tgts=1
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sleep 2
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# Get scsi device name created by scsi_debug.
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# SD = sdh
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# DEV1 = /dev/sdh
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SD=$(grep -H scsi_debug /sys/block/sd*/device/model | cut -f4 -d /);
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echo $SD
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DEV1=/dev/$SD
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echo $DEV1
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DFDIR="$LVM_SYSTEM_DIR/devices"
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mkdir -p "$DFDIR" || true
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DF="$DFDIR/system.devices"
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touch $DF
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pvcreate "$DEV1"
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vgcreate $vg "$DEV1"
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MAJOR1=`pvs "$DEV1" --noheading -o major | tr -d - | awk '{print $1}'`
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MINOR1=`pvs "$DEV1" --noheading -o minor | tr -d - | awk '{print $1}'`
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PVID1=`pvs "$DEV1" --noheading -o uuid | tr -d - | awk '{print $1}'`
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create_base
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# No sys/wwid, lvm uses wwid from sys/vpd
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setup_sysfs $DEV1_NAA
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# no sys/wwid is reported
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rm $SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/wwid
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rm $DF
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lvmdevices --adddev "$DEV1"
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cat $DF
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pvs "$DEV1"
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grep $DEV1_NAA $DF
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cleanup_sysfs
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# Kernel changes the type printed from sys/wwid from t10 to naa
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# after lvm has used sys_wwid with the t10 value.
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# set sys/wwid to t10 value
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# add dev to df, it uses t10 value
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# change sys/wwid to naa value
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# reporting pvs should still find the dev based on using vpd data
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# and find the t10 value there
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setup_sysfs $DEV1_T10
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rm $DF
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lvmdevices --adddev "$DEV1"
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cat $DF
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grep sys_wwid $DF
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grep $DEV1_T10 $DF
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pvs "$DEV1"
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# kernel changes what it reports from sys/wwid
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echo $DEV1_NAA > $SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/wwid
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# lvm finds the original t10 id in vpd
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pvs "$DEV1"
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cleanup_sysfs
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# User chooses wwid type other than is printed from sys/wwid
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# set sys/wwid to t10|naa|eui value
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# lvmdevices --adddev using --deviceidtype different from sys/wwid
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# df entry uses the specified type
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# reporting pvs should show the pv
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setup_sysfs $DEV1_T10
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rm $DF
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lvmdevices --adddev "$DEV1" --deviceidtype wwid_naa
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cat $DF
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grep wwid_naa $DF
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grep $DEV1_NAA $DF
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pvs "$DEV1"
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lvmdevices --deldev "$DEV1"
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lvmdevices --addpvid "$PVID1" --deviceidtype wwid_naa
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cat $DF
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grep $DEV1_NAA $DF
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pvs "$DEV1"
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lvmdevices --deldev "$DEV1"
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lvmdevices --adddev "$DEV1" --deviceidtype wwid_eui
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cat $DF
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grep wwid_eui $DF
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grep $DEV1_EUI $DF
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pvs "$DEV1"
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cleanup_sysfs
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# Any of the vpd wwids can be used in the devices file
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# with type sys_wwid and the device will be matched to
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# it by finding that wwid in the vpd data.
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setup_sysfs $DEV1_NAA
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rm $DF
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lvmdevices --adddev "$DEV1"
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cat $DF
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rm $SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/wwid
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pvs "$DEV1"
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cleanup_sysfs
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setup_sysfs $DEV1_NAA2
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rm $DF
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lvmdevices --adddev "$DEV1"
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cat $DF
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rm $SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/wwid
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pvs "$DEV1"
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cleanup_sysfs
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setup_sysfs $DEV1_NAA3
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rm $DF
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lvmdevices --adddev "$DEV1"
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cat $DF
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rm $SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/wwid
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pvs "$DEV1"
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cleanup_sysfs
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setup_sysfs $DEV1_EUI
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rm $DF
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lvmdevices --adddev "$DEV1"
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cat $DF
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rm $SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/wwid
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pvs "$DEV1"
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cleanup_sysfs
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setup_sysfs $DEV1_T10
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rm $DF
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lvmdevices --adddev "$DEV1"
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cat $DF
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rm $SYS_DIR/dev/block/$MAJOR1:$MINOR1/device/wwid
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pvs "$DEV1"
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cleanup_sysfs
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# TODO: lvmdevices --adddev <dev> --deviceidtype <type> --deviceid <val>
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# This would let the user specify the second naa wwid.
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remove_base
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rmmod scsi_debug
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