Re: [ceph-users] Different filesystems on OSD hosts at the same cluster

2015-08-07 Thread Udo Lembke
Hi, some time ago I switched all OSDs from XFS to ext4 (step by step). I had no issues during mixed osd-format (the process takes some weeks). And yes, for me ext4 performs also better (esp. the latencies). Udo Am 07.08.2015 13:31, schrieb Межов Игорь Александрович: > Hi! > > We do some perform

[ceph-users] Different filesystems on OSD hosts at the same cluster

2015-08-07 Thread Межов Игорь Александрович
Hi! We do some performance tests on our small Hammer install: - Debian Jessie; - Ceph Hammer 0.94.2 self-built from sources (tcmalloc) - 1xE5-2670 + 128Gb RAM - 2 nodes shared with mons, system and mon DB are on separate SAS mirror; - 16 OSD on each node, SAS 10k; - 2 Intel DC S3700 200Gb SS