26 Jan
2018
26 Jan
'18
6:02 p.m.
On Fri, Jan 26, 2018 at 4:58 PM, <ovirt@fateknollogee.com> wrote: > Yaniv, > > You bring up a valid point. > > I asked about RAID since I was concerned about drive failures & > performance. > Since Gluster will handle data replication, using HBA seems like a better > choice? > Without local node replication (RAID), a failed disk == a failed node. This may or may not be acceptable. Y. > From Yaniv: >>> >> I think there are two interesting questions here: > 1. Why would you want RAID? Your data is replicated already on other > Gluster nodes. RAID writes will wear out the SSDs earlier and RAID 'wastes' > additional space. The reason may be because you don't want the node to go > down in case of a single disk malfunction. Fair - but is that the case? > 2. I think HW RAID should be higher performing, but that's about it. > Y. > > On 2018-01-10 12:05, Roberto Nunin wrote: > >> Il 10 Gen 2018 20:40, <ovirt@fateknollogee.com> ha scritto: >> >> oVirt + Gluster (hyperconverged) RAID question: >>> I have 3 nodes of SuperMicro hardware, each node has 1x SATADOM >>> (boot drive for o/s install) and 6x 1TB SSD (to be used for >>> Gluster). >>> For the SSDs, is hardware or software RAID preferred or do I use an >>> HBA? >>> The RedHat docs seem to suggest hardware RAID, others on the forum >>> say HBA or software RAID. >>> >>> What are other folks using? >>> >> >> I'm using hardware raid. >> >> _______________________________________________ >>> Users mailing list >>> Users@ovirt.org >>> http://lists.ovirt.org/mailman/listinfo/users [1] >>> >> >> >> >> Links: >> ------ >> [1] http://lists.ovirt.org/mailman/listinfo/users >> >