Hi all,

Sorry for my previous incorrectly formatted email.
Recently, I've seen an uptick in "no space left on device" errors for
some of the home directories I administer.

For example,

matsumoto <USERNAME> # touch a
touch: cannot touch 'a': No space left on device

We are not even close to filling up the cache (located at
/var/cache/openafs) on this client machine.

matsumoto ~ # fs getcacheparms
AFS using 10314 of the cache's available 10000000 1K byte blocks.
matsumoto ~ # df -h
Filesystem                   Size  Used Avail Use% Mounted on
....
/dev/mapper/vgwrkstn-root    456G   17G  417G   4% /
....
AFS                          2.0T     0  2.0T   0% /afs


Nor is this home directory or any other problematic home directory close
to their quota.

matsumoto <USERNAME> # fs lq
Volume Name                    Quota       Used %Used   Partition
<VOLUME NAME>              4194304     194403    5%         37%

According to previous posts on this list, many issues can be attributed
to high inode usage.  However, this is not the case on our machines.

Here is sample output from one of our OpenAFS servers, which is similar
to all of the four other ones.

openafs1 ~ # df -i
Filesystem         Inodes   IUsed      IFree IUse% Mounted on
udev              1903816     413    1903403    1% /dev
tmpfs             1911210     551    1910659    1% /run
/dev/vda1         1905008  154821    1750187    9% /
tmpfs             1911210       1    1911209    1% /dev/shm
tmpfs             1911210       5    1911205    1% /run/lock
tmpfs             1911210      17    1911193    1% /sys/fs/cgroup
/dev/vdb         19660800 3461203   16199597   18% /vicepa
/dev/vdc         19660800 1505958   18154842    8% /vicepb
tmpfs             1911210       4    1911206    1% /run/user/0
AFS            2147483647       0 2147483647    0% /afs


We are running the latest HWE kernel (4.15.0-38-generic) for Ubuntu
16.04 (which is the OS for both server and client machines). We are
running on the clients, the following versions:

openafs-client/xenial,now 1.8.2-0ppa2~ubuntu16.04.1 amd64 [installed]
openafs-krb5/xenial,now 1.8.2-0ppa2~ubuntu16.04.1 amd64 [installed]
openafs-modules-dkms/xenial,xenial,now 1.8.2-0ppa2~ubuntu16.04.1 all
[installed]

and on the servers, the following versions:

openafs-client/xenial,now 1.6.15-1ubuntu1 amd64 [installed]
openafs-dbserver/xenial,now 1.6.15-1ubuntu1 amd64 [installed]
openafs-fileserver/xenial,now 1.6.15-1ubuntu1 amd64 [installed]
openafs-krb5/xenial,now 1.6.15-1ubuntu1 amd64 [installed]
openafs-modules-dkms/xenial,xenial,now 1.6.15-1ubuntu1 all [installed]

What could be the problem? Is there something I missed?


Thanks,

Theo Ouzhinski
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