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lvm2/test/shell/read-ahead.sh

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Improve/Fix read ahead 'auto' calculation for stripe_size Fix lvchange output for -r auto setting if auto is already set Add testcase for read ahead
2008-06-18 15:32:14 +04:00
#!/bin/sh
More test conversions by jstava. Make check still passes.
2008-10-06 20:47:07 +04:00
# Copyright (C) 2008 Red Hat, Inc. All rights reserved.
Improve/Fix read ahead 'auto' calculation for stripe_size Fix lvchange output for -r auto setting if auto is already set Add testcase for read ahead
2008-06-18 15:32:14 +04:00
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# tests basic functionality of read-ahead and ra regressions
#
test_description='Test read-ahead functionality'
tests: use more SKIP Speed-up check_lvmpolld.
2015-10-27 17:10:06 +03:00
SKIP_WITH_LVMPOLLD=1
Improve/Fix read ahead 'auto' calculation for stripe_size Fix lvchange output for -r auto setting if auto is already set Add testcase for read ahead
2008-06-18 15:32:14 +04:00
tests: rename test to inittest We are getting into problem when we use 'test' for commands like should/not/... So avoid overloading test name and change it to inittest.
2014-06-06 19:40:04 +04:00
. lib/inittest
Improve/Fix read ahead 'auto' calculation for stripe_size Fix lvchange output for -r auto setting if auto is already set Add testcase for read ahead
2008-06-18 15:32:14 +04:00
More test conversions by jstava. Make check still passes.
2008-10-06 20:47:07 +04:00
aux prepare_vg 5
Improve/Fix read ahead 'auto' calculation for stripe_size Fix lvchange output for -r auto setting if auto is already set Add testcase for read ahead
2008-06-18 15:32:14 +04:00
Minor code and documentation cleanups and changes by jstava.
2008-11-10 15:43:35 +03:00
#COMM "test various read ahead settings (bz450922)"
tests: let pass bigger readahead If the underlaying device has actually bigger read-ahead settings, let it pass. But anyway switch to 512 strip-size to get really high R-A sector count.
2015-10-29 14:33:15 +03:00
lvcreate -l 100%FREE -i5 -I512 -n $lv $vg
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
ra=$(get lv_field $vg/$lv lv_kernel_read_ahead --units s --nosuffix)
tests: let pass bigger readahead If the underlaying device has actually bigger read-ahead settings, let it pass. But anyway switch to 512 strip-size to get really high R-A sector count.
2015-10-29 14:33:15 +03:00
test $(( ( $ra / 5 ) * 5 )) -le $ra
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
not lvchange -r auto $vg/$lv 2>&1 | grep auto
check lv_field $vg/$lv lv_read_ahead auto
lvchange -r 640 $vg/$lv
check lv_field $vg/$lv lv_read_ahead 640 --units s --nosuffix
lvremove -ff $vg
Improve/Fix read ahead 'auto' calculation for stripe_size Fix lvchange output for -r auto setting if auto is already set Add testcase for read ahead
2008-06-18 15:32:14 +04:00
Use readahead of underlying device and not default (smaller) one. When we are stacking LV over device, which has for some reason increased read_ahead (e.g. MD RAID), the read_ahead hint for libdevmapper is wrong (it is zero). If the calculated read_ahead hint is zero, patch uses read_ahead of underlying device (if first segment is PV) when setting DM_READ_AHEAD_MINIMUM_FLAG. Because we are using dev-cache, it also store this value to cache for future use (if several LVs are over one PV, BLKRAGET is called only once for underlying device.) This should fix all the reamining problems with readahead mismatch reported for DM over MD configurations (and similar cases).
2009-05-20 15:09:49 +04:00
#COMM "read ahead is properly inherited from underlying PV"
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
blockdev --setra 768 "$dev1"
Explicitly use non-clustered vgcreate in test. (So the tests can run under cluster locking and do not require cluster mirror or snapshots.) Add vgscan before block device readahead change (flush long running process - clvmd - dev cache.)
2009-12-28 21:33:04 +03:00
vgscan
Update tests Indent Shell improvements - use internal function for checks Use PVs in "" (LV and VG cannot have spaces) Several test very starting 'dmeventd' without annoucing it via prepade_dmeventd. Fix some of test actually.
2012-03-16 17:00:05 +04:00
lvcreate -n $lv -L4m $vg "$dev1"
tests: add some quotes Use quotes for DM_DEV_DIR
2014-02-23 02:08:55 +04:00
test $(blockdev --getra "$DM_DEV_DIR/$vg/$lv") -eq 768
Fix readahead test.
2009-05-20 15:27:14 +04:00
lvremove -ff $vg
Update t-read-ahead.sh to validate lv_read_ahead and lv_kernel_read_ahead. - check default values - check active/inactive values
2009-05-11 20:17:12 +04:00
# Check default, active/inactive values for read_ahead / kernel_read_ahead
lvcreate -n $lv -l 50%FREE $vg
lvchange -an $vg/$lv
Substantial rework of the functional test support code. Some new features: - somewhat neater, more consistent and more readable output - possible to set any lvm.conf value: aux lvmconf "section/key = value" - LVM_TEST_NODEBUG to suppress the (lengthy) "## DEBUG" output - back-substitution on test output ($TESTDIR/$PREFIX -> @TESTDIR@/@PREFIX@) - support code moved from test/ to test/lib/ --> less clutter
2011-01-05 03:16:18 +03:00
check lv_field $vg/$lv lv_read_ahead auto
check lv_field $vg/$lv lv_kernel_read_ahead -1
Update t-read-ahead.sh to validate lv_read_ahead and lv_kernel_read_ahead. - check default values - check active/inactive values
2009-05-11 20:17:12 +04:00
lvchange -r 512 $vg/$lv
lvchange -ay $vg/$lv
Substantial rework of the functional test support code. Some new features: - somewhat neater, more consistent and more readable output - possible to set any lvm.conf value: aux lvmconf "section/key = value" - LVM_TEST_NODEBUG to suppress the (lengthy) "## DEBUG" output - back-substitution on test output ($TESTDIR/$PREFIX -> @TESTDIR@/@PREFIX@) - support code moved from test/ to test/lib/ --> less clutter
2011-01-05 03:16:18 +03:00
check lv_field $vg/$lv lv_read_ahead 256.00k
check lv_field $vg/$lv lv_kernel_read_ahead 256.00k
tests: updates Add some vgremove calls. Remove uneeded test for some unused commands. Add tests for missing commands.
2014-02-27 02:25:30 +04:00
vgremove -ff $vg
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