On Tue, Apr 10, 2012 at 3:42 AM, Jure Koren <[email protected]>wrote:
> On 09/04/12 16:22, James Devine wrote: > >> What mail storage type were you using? I've been testing mdbox on >> gluster and when I put a lot of load on it using more than one thread I see >> lots of corruption problems, both in the index files which store flag >> information and in the data storage also. This doesn't happen on a local >> filesystem but I can duplicate it with one dovecot server talking to one >> gluster server. >> > I am using maildir, as it is easier, beacuse each server writes new files > into unique filenames so there aren't many locking issues. I have also > enabled all the options for nfs storage in dovecots settings. > > The mail files are always ok, but I sometimes get corruptions in dovecot's > temporary index files. When it happens I just delete those files as dovecot > will recreate them. > > But I started to have some issues lately (with 2.3.4-2.3.6) on directories > and I don't know the cause. I am currently testing a ospf solution so the > connection between the nodes would be more stable. I have added a virtual > ethernet adapter with a private ip address and network to both nodes in my > afr setup and ospf makes sure that those are always accessible. > > > Yeah, maildir shouldn't have storage issues, my only concern there would be small file access. I'm setting up a test environment and I plan on comparing mail storage performance between the two storage types as well as a number of other factors. Importing gluster via nfs doesn't seem to have locking/caching issues accessing any of the files, at least not with 2 clients running postal.
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