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-rwxr-xr-xmodules.d/slx-dmsetup/scripts/dmsetup-slx-device20
1 files changed, 11 insertions, 9 deletions
diff --git a/modules.d/slx-dmsetup/scripts/dmsetup-slx-device b/modules.d/slx-dmsetup/scripts/dmsetup-slx-device
index 3f940821..36dfef10 100755
--- a/modules.d/slx-dmsetup/scripts/dmsetup-slx-device
+++ b/modules.d/slx-dmsetup/scripts/dmsetup-slx-device
@@ -327,21 +327,23 @@ create_pool() {
# TODO handle the exotic case of a too large metadata device to fit within RAM.
[ "$metadata_dev_size" -gt 33554432 ] && metadata_dev_size="33554432"
# TODO handle persistent metadata device on disk
+ local metadata_dev=
local metadata_volatile="yes"
- if [ -n "$metadata_volatile" ]; then
- # create RAMdisk in /run for metadata device
- metadata_dev="$(mktemp -p /run/openslx .pool-metadata.XXX)"
- dd of="$metadata_dev" bs=512 seek="$metadata_dev_size" &> /dev/null
- metadata_dev="$(losetup --show --find $metadata_dev)"
- else
+ if [ -z "$metadata_volatile" ]; then
# create persistent slice of the writable device for the pool metadata
if ! dmsetup_create_noudevsync "metadata" \
"0 $metadata_dev_size linear $writable_device 0"; then
echo "$0: Failed to create linear device for pool metadata device."
- # TODO fallback to RAMdisk metadata device
+ else
+ metadata_dev="/dev/mapper/metadata"
+ writable_device_size=$(( $writable_device_size - $metadata_dev_size ))
fi
- metadata_dev="/dev/mapper/metadata"
- writable_device_size=$(( $writable_device_size - $metadata_dev_size ))
+ fi
+ if [ -z "$metadata_dev" ]; then
+ # create RAMdisk in /run for metadata device
+ metadata_dev="$(mktemp -p /run/openslx .pool-metadata.XXX)"
+ dd of="$metadata_dev" bs=512 seek="$metadata_dev_size" &> /dev/null
+ metadata_dev="$(losetup --show --find $metadata_dev)"
fi
if ! dmsetup_create_noudevsync "${pool_metadata_dev##*/}" \
"0 $metadata_dev_size linear $metadata_dev 0"; then