RE: NFS Config vs Ceph / GlusterFS

2022-04-15 Thread Marc
> > > That is why I am using mdbox files of 4MB. I hope that should give me hardly > any write amplification. I am also seperating between ssd and hdd pools by > auto > archiving email to the hdd pools > > I am using rbd. After luminuous I had some issues with the cephfs and do not > want to stor

NFS Config vs Ceph / GlusterFS

2022-04-06 Thread Malte Schmidt
That is why I am using mdbox files of 4MB. I hope that should give me hardly any write amplification. I am also seperating between ssd and hdd pools by auto archiving email to the hdd pools I am using rbd. After luminuous I had some issues with the cephfs and do not want to store operational

RE: NFS Config vs Ceph / GlusterFS

2022-04-06 Thread Marc
> > I have about 100TB of mailboxes in Maildir format on NFS (NetApp FAS) > and works very well, for performance but also stability. Hmmm, I would like to read something else. Eg that the design/elementary properties of distributed storage result into that all such systems are performing abou

Re: NFS Config vs Ceph / GlusterFS

2022-04-06 Thread Alessio Cecchi
Hi, I have about 100TB of mailboxes in Maildir format on NFS (NetApp FAS) and works very well, for performance but also stability. The main problem of using Ceph or GlusterFS to store Maildir is the high use of metadata that dovecot require for check new messages and others activity. On my s

NFS Config vs Ceph / GlusterFS

2022-04-04 Thread dovecot
Do all of the configuration considerations pertaining to using NFS on https://doc.dovecot.org/configuration_manual/nfs/ equally apply to using something like Ceph / GlusterFS? And if people wouldn't mind chiming in with which (NFS, Ceph & GlusterFS) they feel is better for maildir mail sto