Open Stack

On Fri, 26 Oct 2012 17:26:07 -0700
Nathan Trueblood <nathan at truebloodllc.com> wrote:

> I'm trying to figure out what's going wrong with my Swift deployment on a
> small cluster of "mini" servers.   I have a small test cluster (5 storage
> nodes, 1 proxy) of mini-servers that are ARM-based.   The proxy is a
> regular, Intel-based server with plenty of RAM.   The
> object/account/container servers are relatively small, with 2GB of RAM per
> node.

And the disk is how big?

> Oct 26 17:07:46 data05 object-server 192.168.1.111 - -
> [27/Oct/2012:00:07:46 +0000] "PUT
> /sda6/150861/AUTH_system/myfiles5/home/lab/bigfile1" 507 - "-"
> "tx8dc917a4a8c84c40a4429b7bab0323c6" "-" 0.0031

Well, what does df say?

> The Object-servers do give a 507 error, which might indicate a disk
> problem, but there is nothing wrong with the storage drive.   And also if
> there was a fundamental drive problem then I wouldn't be able to upload
> objects in the first place.

You could upload them to a reduced number of nodes, and then the
replication would inflate the space used by the replication ratio.

Finally, it's possible that tombstones are not properly expired for
some reason.

-- Pete