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Posted to user@cassandra.apache.org by Kian Mohageri <ki...@gmail.com> on 2021/08/06 22:30:27 UTC
WARN on free space across data volumes (false positive)
When running a "nodetool scrub" to repair a table, the following warning
appears:
---
WARN 22:23:44,257 Only 40.420GiB free across all data volumes. Consider
adding more capacity to your cluster or removing obsolete snapshots
---
However, our storagedir has >2TB free space.
---
Filesystem Size Used Avail Use% Mounted on
overlay 47G 5.7G 39G 13% /
/dev/nvme0n1p9 47G 5.7G 39G 13% /alloc
/dev/nvme1n1 4.0T 1.3T 2.7T 34% /srv/var
---
I verified that cassandra is running with only a single
"-Dcassandra.storagedir=/srv/var/data" option, so I am not sure why the
warning is appearing.
Any help would be appreciated. Thank you.
Kian
Re: WARN on free space across data volumes (false positive)
Posted by Jim Shaw <jx...@gmail.com>.
I will try cd to all directories of data files of this table, do
pwd ---- get path
df -h "above path"
to see whether all have 2.7 TB ?
Thanks,
Jim
On Fri, Aug 6, 2021 at 6:31 PM Kian Mohageri <ki...@gmail.com>
wrote:
> When running a "nodetool scrub" to repair a table, the following warning
> appears:
>
> ---
>
> WARN 22:23:44,257 Only 40.420GiB free across all data volumes. Consider
> adding more capacity to your cluster or removing obsolete snapshots
> ---
>
> However, our storagedir has >2TB free space.
>
> ---
> Filesystem Size Used Avail Use% Mounted on
> overlay 47G 5.7G 39G 13% /
> /dev/nvme0n1p9 47G 5.7G 39G 13% /alloc
> /dev/nvme1n1 4.0T 1.3T 2.7T 34% /srv/var
> ---
>
> I verified that cassandra is running with only a single
> "-Dcassandra.storagedir=/srv/var/data" option, so I am not sure why the
> warning is appearing.
>
> Any help would be appreciated. Thank you.
>
> Kian
>
Re: WARN on free space across data volumes (false positive)
Posted by Erick Ramirez <er...@datastax.com>.
Out of curiosity, does that mean that your `data_file_directories` is
different to `storageDir`?
Re: WARN on free space across data volumes (false positive)
Posted by Kian Mohageri <ki...@gmail.com>.
Thanks all - it looks to be a bug as Dmitry pointed out.
On Sat, Aug 7, 2021 at 4:40 AM Dmitry Saprykin <sa...@gmail.com>
wrote:
> I had the same warning for nodetool upgradesstables. Nodetool just checks
> wrong location. CASSANDRA-16104
>
>
> On Fri, Aug 6, 2021 at 9:28 PM Erick Ramirez <er...@datastax.com>
> wrote:
>
>> I'd say that your `data_file_directories` is pointing at
>> /var/lib/cassandra/data and is mounted on the root volume instead of
>> /srv/var. Cheers!
>>
>
Re: WARN on free space across data volumes (false positive)
Posted by Dmitry Saprykin <sa...@gmail.com>.
I had the same warning for nodetool upgradesstables. Nodetool just checks
wrong location. CASSANDRA-16104
On Fri, Aug 6, 2021 at 9:28 PM Erick Ramirez <er...@datastax.com>
wrote:
> I'd say that your `data_file_directories` is pointing at
> /var/lib/cassandra/data and is mounted on the root volume instead of
> /srv/var. Cheers!
>
Re: WARN on free space across data volumes (false positive)
Posted by Erick Ramirez <er...@datastax.com>.
I'd say that your `data_file_directories` is pointing at
/var/lib/cassandra/data and is mounted on the root volume instead of
/srv/var. Cheers!