hey, what are you using for zfs? get an arc status and show please
2017-03-02 9:57 GMT-03:00 Arman Khalatyan <arm2...@gmail.com>: > no, > ZFS itself is not on top of lvm. only ssd was spitted by lvm for slog(10G) > and cache (the rest) > but in any-case the ssd does not help much on glusterfs/ovirt load it has > almost 100% cache misses....:( (terrible performance compare with nfs) > > > > > > On Thu, Mar 2, 2017 at 1:47 PM, FERNANDO FREDIANI < > fernando.fredi...@upx.com> wrote: > >> Am I understanding correctly, but you have Gluster on the top of ZFS >> which is on the top of LVM ? If so, why the usage of LVM was necessary ? I >> have ZFS with any need of LVM. >> >> Fernando >> >> On 02/03/2017 06:19, Arman Khalatyan wrote: >> >> Hi, >> I use 3 nodes with zfs and glusterfs. >> Are there any suggestions to optimize it? >> >> host zfs config 4TB-HDD+250GB-SSD: >> [root@clei22 ~]# zpool status >> pool: zclei22 >> state: ONLINE >> scan: scrub repaired 0 in 0h0m with 0 errors on Tue Feb 28 14:16:07 2017 >> config: >> >> NAME STATE READ WRITE CKSUM >> zclei22 ONLINE 0 0 0 >> HGST_HUS724040ALA640_PN2334PBJ4SV6T1 ONLINE 0 0 0 >> logs >> lv_slog ONLINE 0 0 0 >> cache >> lv_cache ONLINE 0 0 0 >> >> errors: No known data errors >> >> Name: >> GluReplica >> Volume ID: >> ee686dfe-203a-4caa-a691-26353460cc48 >> Volume Type: >> Replicate (Arbiter) >> Replica Count: >> 2 + 1 >> Number of Bricks: >> 3 >> Transport Types: >> TCP, RDMA >> Maximum no of snapshots: >> 256 >> Capacity: >> 3.51 TiB total, 190.56 GiB used, 3.33 TiB free >> >> >> _______________________________________________ >> Users mailing >> listUsers@ovirt.orghttp://lists.ovirt.org/mailman/listinfo/users >> >> >> >> _______________________________________________ >> Users mailing list >> Users@ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users >> >> > > _______________________________________________ > Users mailing list > Users@ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > >
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