[lustre-discuss] File size discrepancy on lustre

[Laura Hild]

> Are you using any file mirroring (FLR, "lfs mirror extend") on the files, perhaps before the "lfs getstripe" was run?

We can check with the user on Monday, but do I read https://doc.lustre.org/lustre_manual.xhtml#flr.interop correctly that

lsh at qcd16p0314 /c/S/C/N/s/genprop_db3> rpm -q kmod-lustre-client
kmod-lustre-client-2.10.4-1.el7.centos.x86_64
lsh at qcd16p0314 /c/S/C/N/s/genprop_db3> ls -lsh szscl21_24_128_b1p50_t_x4p300_um0p0840_sm0p0743_n1p265.genprop.n162.strange.t_0_22_26_28_31.sdb3180b
273G [...] 119G sep 15 23:56 szscl21_24_128_b1p50_t_x4p300_um0p0840_sm0p0743_n1p265.genprop.n162.strange.t_0_22_26_28_31.sdb3180b
lsh at qcd16p0314 /c/S/C/N/s/genprop_db3> head szscl21_24_128_b1p50_t_x4p300_um0p0840_sm0p0743_n1p265.genprop.n162.strange.t_0_22_26_28_31.sdb3180b >/dev/null
lsh at qcd16p0314 /c/S/C/N/s/genprop_db3>

would have failed if they were mirrored, or is that only if getstripe shows it?

I'm told a simpler reproducer was found yesterday afternoon.  We'll have report back once we get our hands on it.