generally, I only worry about the tests listed in the last section; i.e.
```
Tests with results other than PASS that are unexpected:
FAIL largest_pool/largest_pool_001_pos (expected PASS)
```
if there's any tests listed here, it'll cause the test to report a failure; the
other sections are largely ignored (let me know if you'd like more explanation
of the different sections, I'll don't want to provide too much info unless
you're actually interested in it).
so, it looks as though this test run failed the
`largest_pool/largest_pool_001_pos` test case. the source for that test can be
seen
[here](https://github.com/openzfs/openzfs/blob/master/usr/src/test/zfs-tests/tests/functional/largest_pool/largest_pool_001_pos.ksh),
and the output of that test can be seen
[here](http://jenkins.open-zfs.org/job/openzfs/job/openzfs/job/PR-435/2/artifact/run-zfs-tests.log).
Unfortunately I can't link directly to the section of that log file related to
this test, so I use my browser's search functionality and the test's name (i.e.
"largest_pool_001_pos"), and it'll jump to the specific section. I copy/pasted
it below too:
```
Test: /opt/zfs-tests/tests/functional/largest_pool/largest_pool_001_pos (run as
root) [00:08] [FAIL]
22:35:20.89 ASSERTION: The largest pool can be created and a dataset in that
pool can be created and mounted.
22:35:20.89 NOTE: Create a pool which will contain a volume device
22:35:21.25 SUCCESS: zpool create -f testpool2 c4t1d0 c4t2d0 c4t3d0
22:35:21.25 NOTE: Create a volume device of desired sizes: 2pb
22:35:21.30 NOTE: Create the largest pool allowed using the volume vdev
22:35:21.62 SUCCESS: zpool create -f testpool
/dev/zvol/dsk/testpool2/testvol600549
22:35:21.62 NOTE: Create a zfs file system in the largest pool
22:35:21.69 SUCCESS: zfs create testpool/testfs
22:35:21.69 NOTE: Parse the execution result
22:35:21.69 NOTE: Detect zpool testpool in this test machine.
22:35:21.70 SUCCESS: eval zpool list testpool > /tmp/j.600549
22:35:21.71 testpool 1.98P 872K 1.98P - 0% 0% 1.00x
ONLINE -
22:35:21.72 SUCCESS: eval grep testpool /tmp/j.600549 | awk
'{print }' | grep P
22:35:21.72 NOTE: Detect the file system in this test machine.
22:35:22.28 SUCCESS: eval df -F zfs -h > /tmp/j.600549
22:35:22.28 testpool 1.92P 176K 1.92P 1% /testpool
22:35:22.28 testpool/testfs 1.92P 176K 1.92P 1%
/testpool/testfs
22:35:22.29 SUCCESS: eval grep testpool /tmp/j.600549 | awk
'{print }' | grep P
22:35:22.29 NOTE: unmount this zfs file system testpool/testfs
22:35:22.30 SUCCESS: zfs unmount testpool/testfs
22:35:22.30 NOTE: Destroy zfs, volume & zpool
22:35:22.41 SUCCESS: zfs destroy testpool/testfs
22:35:22.80 SUCCESS: zfs destroy testpool2/testvol600549
22:35:23.01 NOTE: Create a pool which will contain a volume device
22:35:23.28 SUCCESS: zpool create -f testpool2 c4t1d0 c4t2d0 c4t3d0
22:35:23.28 NOTE: Create a volume device of desired sizes: 5pb
22:35:23.31 NOTE: Create the largest pool allowed using the volume vdev
22:35:23.66 SUCCESS: zpool create -f testpool
/dev/zvol/dsk/testpool2/testvol600549
22:35:23.66 NOTE: Create a zfs file system in the largest pool
22:35:23.73 SUCCESS: zfs create testpool/testfs
22:35:23.73 NOTE: Parse the execution result
22:35:23.74 NOTE: Detect zpool testpool in this test machine.
22:35:23.75 SUCCESS: eval zpool list testpool > /tmp/j.600549
22:35:23.75 testpool 4.97P 872K 4.97P - 0% 0% 1.00x
ONLINE -
22:35:23.76 SUCCESS: eval grep testpool /tmp/j.600549 | awk
'{print }' | grep P
22:35:23.76 NOTE: Detect the file system in this test machine.
22:35:23.77 SUCCESS: eval df -F zfs -h > /tmp/j.600549
22:35:23.78 testpool 4.81P 176K 4.81P 1% /testpool
22:35:23.78 testpool/testfs 4.81P 176K 4.81P 1%
/testpool/testfs
22:35:23.79 SUCCESS: eval grep testpool /tmp/j.600549 | awk
'{print }' | grep P
22:35:23.79 NOTE: unmount this zfs file system testpool/testfs
22:35:23.80 SUCCESS: zfs unmount testpool/testfs
22:35:23.80 NOTE: Destroy zfs, volume & zpool
22:35:23.93 SUCCESS: zfs destroy testpool/testfs
22:35:24.31 SUCCESS: zfs destroy testpool2/testvol600549
22:35:24.77 NOTE: Create a pool which will contain a volume device
22:35:25.05 SUCCESS: zpool create -f testpool2 c4t1d0 c4t2d0 c4t3d0
22:35:25.05 NOTE: Create a volume device of desired sizes: 10pb
22:35:25.09 NOTE: Create the largest pool allowed using the volume vdev
22:35:25.49 SUCCESS: zpool create -f testpool
/dev/zvol/dsk/testpool2/testvol600549
22:35:25.50 NOTE: Create a zfs file system in the largest pool
22:35:25.59 SUCCESS: zfs create testpool/testfs
22:35:25.59 NOTE: Parse the execution result
22:35:25.60 NOTE: Detect zpool testpool in this test machine.
22:35:25.61 SUCCESS: eval zpool list testpool > /tmp/j.600549
22:35:25.62 testpool 9.94P 872K 9.94P - 0% 0% 1.00x
ONLINE -
22:35:25.62 SUCCESS: eval grep testpool /tmp/j.600549 | awk
'{print }' | grep P
22:35:25.62 NOTE: Detect the file system in this test machine.
22:35:25.64 SUCCESS: eval df -F zfs -h > /tmp/j.600549
22:35:25.64 testpool 9.63P 176K 9.63P 1% /testpool
22:35:25.64 testpool/testfs 9.63P 176K 9.63P 1%
/testpool/testfs
22:35:25.65 SUCCESS: eval grep testpool /tmp/j.600549 | awk
'{print }' | grep P
22:35:25.65 NOTE: unmount this zfs file system testpool/testfs
22:35:25.66 SUCCESS: zfs unmount testpool/testfs
22:35:25.66 NOTE: Destroy zfs, volume & zpool
22:35:25.79 SUCCESS: zfs destroy testpool/testfs
22:35:26.17 SUCCESS: zfs destroy testpool2/testvol600549
22:35:26.40 NOTE: Create a pool which will contain a volume device
22:35:26.71 SUCCESS: zpool create -f testpool2 c4t1d0 c4t2d0 c4t3d0
22:35:26.71 NOTE: Create a volume device of desired sizes: 2eb
22:35:26.74 NOTE: Create the largest pool allowed using the volume vdev
22:35:27.10 SUCCESS: zpool create -f testpool
/dev/zvol/dsk/testpool2/testvol600549
22:35:27.10 NOTE: Create a zfs file system in the largest pool
22:35:27.17 SUCCESS: zfs create testpool/testfs
22:35:27.17 NOTE: Parse the execution result
22:35:27.18 NOTE: Detect zpool testpool in this test machine.
22:35:27.19 SUCCESS: eval zpool list testpool > /tmp/j.600549
22:35:27.19 testpool <overflow> 872K <overflow> - 0% 0%
1.00x ONLINE -
22:35:27.20 SUCCESS: eval grep testpool /tmp/j.600549 | awk
'{print }' | grep E
22:35:27.20 NOTE: Detect the file system in this test machine.
22:35:27.22 SUCCESS: eval df -F zfs -h > /tmp/j.600549
22:35:27.23
22:35:27.23 ERROR: eval grep testpool /tmp/j.600549 | awk '{print }'
| grep E exited 1
```
I hope that helps. I didn't look into _why_ the test is failing, but let me
know if you need some help with that. Superficially, it looks like `grep`
failed (i.e. reported a non-zero exit code), but I can't immediately tell why
it would have failed.
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