[clug] nfs issue

Eyal Lebedinsky eyal at eyal.emu.id.au
Mon May 20 06:13:58 UTC 2019


For a while now I notice an unusual situation when I copy the content of an array between two machines (f28 up-to-date).

Local array:
	mount /dev/md127 /new-raid
Remote array:
         mount -t nfs e7:/data1 /data1
Update local array:
	rsync --delete -aHSKv --progress /data1/ /new-raid/

Looking at the log I noticed this line:

deleting download/vocore/builds/v15.05.1/build_dir/toolchain-mipsel_24kec+dsp_gcc-4.8-linaro_uClibc-0.9.33.2/linux-3.18.23/arch/mips/loongson/common/uart_base.c

This was unexpected, the file is there, untouched for many years:
-rw-r--r-- 1 eyal eyal 1356 Oct 29  2015 /data1/download/vocore/builds/v15.05.1/build_dir/toolchain-mipsel_24kec+dsp_gcc-4.8-linaro_uClibc-0.9.33.2/linux-3.18.23/arch/mips/loongson/common/uart_base.c

I then ran the rsync again and this time the file was copied in.

This is not the first time this happened, in a similar area of the directory tree.

I can add that there is a symlink in the path (if it matters):

ls -l /d/vocore/builds/v15.05.1/build_dir/toolchain-mipsel_24kec+dsp_gcc-4.8-linaro_uClibc-0.9.33.2
total 40
lrwxrwxrwx  1 eyal eyal   30 Dec 28  2016 binutils -> binutils-linaro-2.24.0-2014.09
drwxr-xr-x 17 eyal eyal 4096 Dec 28  2016 binutils-linaro-2.24.0-2014.09
lrwxrwxrwx  1 eyal eyal   22 Dec 28  2016 gcc -> gcc-linaro-4.8-2014.04
drwxr-xr-x 33 eyal eyal 4096 Dec 28  2016 gcc-linaro-4.8-2014.04
drwxr-xr-x 13 eyal eyal 4096 Dec 28  2016 gcc-linaro-4.8-2014.04-final
drwxr-xr-x 13 eyal eyal 4096 Dec 28  2016 gcc-linaro-4.8-2014.04-initial
drwxr-xr-x 13 eyal eyal 4096 Dec 28  2016 gcc-linaro-4.8-2014.04-minimal
drwxr-xr-x 15 eyal eyal 4096 Dec 28  2016 gdb-linaro-7.6-2013.05
lrwxrwxrwx  1 eyal eyal   13 Dec 28  2016 linux -> linux-3.18.23 <<<<<<<<<<<<<<<<<<<
drwxrwxr-x 24 eyal eyal 4096 Dec 28  2016 linux-3.18.23
drwxr-xr-x  3 eyal eyal 4096 Dec 28  2016 linux-dev
lrwxrwxrwx  1 eyal eyal   15 Dec 28  2016 uClibc -> uClibc-0.9.33.2
drwxr-xr-x 19 eyal eyal 4096 Dec 28  2016 uClibc-0.9.33.2
drwxr-xr-x  3 eyal eyal 4096 Dec 28  2016 uClibc-dev

Now, I did once ran a loop of 'ls' of the directory and I could see that the file at times was missing and at other times would show.
Looks like an nfs issue.

Anyone seen this? Any explanation?

TIA

-- 
Eyal at Home (eyal at eyal.emu.id.au)



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