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#!/usr/bin/env bash
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# Copyright (C) 2017 Red Hat, Inc. All rights reserved.
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
# Exercise obtaining cache parameter from various sources
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# Either command line or metadata profile or implicit default...
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SKIP_WITH_LVMPOLLD = 1
. lib/inittest
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aux have_cache 1 8 0 || skip
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PDIR = " $LVM_SYSTEM_DIR /profile "
PFILE = "cache-test"
aux prepare_profiles
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cat <<EOF > "$PDIR/${PFILE } .profile"
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allocation {
cache_pool_chunk_size = 128
cache_mode = "writeback"
cache_policy = "mq"
cache_metadata_format = 1
cache_settings {
smq {
sequential_threshold = 300
random_threshold = 500
}
mq {
}
mq {
sequential_threshold = 100
random_threshold = 200
}
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writecache {
high_watermark = 60
}
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}
}
EOF
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cat <<EOF > "$PDIR/${PFILE } 1.profile"
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allocation {
cache_pool_chunk_size = 512
cache_mode = "passthrough"
cache_policy = "smq"
cache_metadata_format = 1
}
EOF
aux prepare_vg 2 1000000
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# Check writecache read data from profile
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if aux have_writecache 1 0 0 ; then
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lvcreate -n $lv1 -l 4 -an $vg " $dev1 "
lvcreate -y --type writecache -l 4 --cachevol $lv1 -n $lv2 --metadataprofile $PFILE $vg " $dev2 "
check lv_field $vg /$lv2 cachesettings "high_watermark=60"
lvremove -y $vg
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fi
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# Check chunk_size is grabbed from configuration
lvcreate -L1G --config 'allocation/cache_pool_chunk_size=512' --type cache-pool $vg /cpool
check lv_field $vg /cpool chunksize "512.00k"
# Check chunk_size can be overruled when caching LV.
lvcreate -H --chunksize 128K -L10 --cachepool $vg /cpool -n $lv1
check lv_field $vg /$lv1 chunksize "128.00k"
lvremove -f $vg
# Check chunk_size is grabbed from metadata profile
lvcreate -L1G --metadataprofile $PFILE --type cache-pool $vg /cpool
#lvcreate -L1G --commandprofile $PFILE --type cache-pool $vg/cpool
# profile name is stored with cache-pool
check lv_field $vg /cpool profile " $PFILE "
# cache chunk size is selected and stored on creation time
check lv_field $vg /cpool chunksize "128.00k"
# cache metadata format is not stored with cache-pool
check lv_field $vg /cpool cachemetadataformat ""
# cache mode is not stored with cache-pool
check lv_field $vg /cpool cachemode ""
# cache policy is not stored with cache-pool
check lv_field $vg /cpool cachepolicy ""
# cache settings are not stored with cache-pool
check lv_field $vg /cpool cachesettings ""
lvcreate -L10 -n $lv1 $vg
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lvconvert --metadataprofile " ${ PFILE } 1 " -y -H --cachepool $vg /cpool $vg /$lv1
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# chunk size 128k is replace with 512k from PFILE1
check lv_field $vg /$lv1 chunksize "512.00k"
# cachemode is from PFILE1
check lv_field $vg /$lv1 cachemode "passthrough"
lvremove -f $vg
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lvcreate -L1G --metadataprofile " $PFILE " --type cache-pool $vg /cpool
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lvcreate -H -L10 -n $lv1 --cachepool $vg /cpool
# profile name is stored with cache
check lv_field $vg /$lv1 profile " $PFILE "
# cache chunk size is selected and stored on creation time
check lv_field $vg /$lv1 chunksize "128.00k"
# cache metadata format is stored with cache
check lv_field $vg /$lv1 cachemetadataformat "1"
# cache mode is stored with cache
check lv_field $vg /$lv1 cachemode "writeback"
# cache policy is stored with cache
check lv_field $vg /$lv1 cachepolicy "mq"
# cache settings are stored with cache
check lv_field $vg /$lv1 cachesettings "sequential_threshold=100,random_threshold=200"
lvremove -f $vg
#####
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lvcreate -L1G --metadataprofile " $PFILE " --type cache-pool $vg /cpool
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lvcreate --cachesettings 'sequential_threshold=300' -H -L10 -n $lv1 --cachepool $vg /cpool
check lv_field $vg /$lv1 profile " $PFILE "
check lv_field $vg /$lv1 cachesettings "sequential_threshold=300"
lvremove -f $vg
#####
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lvcreate -L1G --metadataprofile " $PFILE " --type cache-pool $vg /cpool
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lvcreate --chunksize 256 -H -L10 -n $lv1 --cachepool $vg /cpool
check lv_field $vg /$lv1 cachemode "writeback"
check lv_field $vg /$lv1 chunksize "256.00k"
lvremove -f $vg
#####
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lvcreate -L1G --metadataprofile " $PFILE " --type cache-pool $vg /cpool
lvcreate --metadataprofile " ${ PFILE } 1 " -H -L10 -n $lv1 --cachepool $vg /cpool
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check lv_field $vg /$lv1 chunksize "512.00k"
check lv_field $vg /$lv1 cachemode "passthrough"
lvremove -f $vg
#lvs -a -o+chunksize,cachemode,cachemetadataformat,cachepolicy,cachesettings $vg
vgremove -ff $vg