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test/nvmf: improve nested lvol test

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Nested lvolstores take a very long time to create,
since the initial unmap will get broken into
one unmap per cluster for the underlying lvol.

This test is working fine in the test pool, but they
have much smaller SSDs.  My system has a 3.7TB SSD,
and this test times out.

So don't bother clearing the nested lvol store - this
saves unmap operations.  We still have unmap operations
when deleting the nested lvol, so increase the cluster
size for the main lvolstore to 1GiB to reduce the total
number of unmap operations.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I29a254fff443e963cd620b55e78092d6a96f8ddd

Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/453010
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Seth Howell <seth.howell5141@gmail.com>
Reviewed-by: John Kariuki <John.K.Kariuki@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
This commit is contained in:
Jim Harris 2019-05-03 10:33:21 -07:00 committed by Darek Stojaczyk
parent 357ccdd8a4
commit 46fef66536
1 changed files with 2 additions and 2 deletions
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4
test/nvmf/host/fio.sh
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@ -58,7 +58,7 @@ if [ $RUN_NIGHTLY -eq 1 ]; then
# Test fio_plugin as host with nvme lvol backend
bdfs=$(iter_pci_class_code 01 08 02)
$rpc_py construct_nvme_bdev -b Nvme0 -t PCIe -a $(echo $bdfs | awk '{ print $1 }') -i $NVMF_FIRST_TARGET_IP
ls_guid=$($rpc_py construct_lvol_store Nvme0n1 lvs_0)
ls_guid=$($rpc_py construct_lvol_store -c 1073741824 Nvme0n1 lvs_0)
get_lvs_free_mb $ls_guid
$rpc_py construct_lvol_bdev -l lvs_0 lbd_0 $free_mb
$rpc_py nvmf_subsystem_create nqn.2016-06.io.spdk:cnode2 -a -s SPDK00000000000001
@ -69,7 +69,7 @@ if [ $RUN_NIGHTLY -eq 1 ]; then
$rpc_py delete_nvmf_subsystem nqn.2016-06.io.spdk:cnode2
# Test fio_plugin as host with nvme lvol nested backend
ls_nested_guid=$($rpc_py construct_lvol_store lvs_0/lbd_0 lvs_n_0)
ls_nested_guid=$($rpc_py construct_lvol_store --clear-method none lvs_0/lbd_0 lvs_n_0)
get_lvs_free_mb $ls_nested_guid
$rpc_py construct_lvol_bdev -l lvs_n_0 lbd_nest_0 $free_mb
$rpc_py nvmf_subsystem_create nqn.2016-06.io.spdk:cnode3 -a -s SPDK00000000000001