possible regression fs corruption on 64GB nvme

Robert Beckett bob.beckett at collabora.com
Tue Sep 10 02:30:18 PDT 2024






 ---- On Mon, 09 Sep 2024 21:31:41 +0100  Keith Busch  wrote --- 
 > On Mon, Sep 09, 2024 at 02:29:14PM -0600, Keith Busch wrote:
 > > As a test, could you try kernel parameter "nvme.io_queue_depth_set=2"?
 > 
 > Err, I mean "nvme.io_queue_depth=2".
 > 

Thanks, I'll give it a try along with your other questions and report back.

For clarity, the repro steps dropped a step. They should have included the make command:


$ dd if=/dev/urandom of=test_file bs=1M count=10240
$ desync make test_file.caibx test_file
$ sudo bash -c "echo 3 > /proc/sys/vm/drop_caches"
$ desync verify-index test_file.caibx test_file





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