[Gluster-users] glusterfs best usage / best storage type or model

Russell Purinton russell.purinton at gmail.com
Sun Mar 27 22:35:15 UTC 2016

You might get better results if you forget about using RAID all together

For example, GlusterFS supports “disperse” volumes which act like RAID5/6.  It has the advantage that you can maintain access to things even if a whole server goes down.   If you are using local RAID for redundancy and that server goes offline you’ll be missing files.

> On Mar 27, 2016, at 6:29 PM, Roman <romeo.r at gmail.com> wrote:
> Hi,
> Need an advice from heavy glusterfs users and may be devs..
> Going to give a try for glusterfs in new direction for me. All the time I was using GlusterFS as VM storage for KVM guests.
> Now going to use it as a main distributed storage  archive for digitalized (scanned) books in one of libraries in Estonia.
> At the very start we are going to scan about 346 GB - 495 GB daily, which is about 7000 - 10 000 pages. 600 GB in the future. There are some smaller files per book: a small xml file and compressed pdf (while all the original files will be tiff). This data goes to production server and then we are going to archive it on our new glusterfs archive.
> At this moment, we've got 2 servers:
> one with 22x8TB 5400 RPM SATA HDD disks 
> second with 15x8TB 5400 RPM SATA HDD disks
> We are planning to add remaining disks to the second server at the end of the year, being budget based institue is crap, I know. So it should be as easy as extend LVM volume and remount it.
> Both the servers will run raid5 or raid6, haven't decided yet, but as we need as much storage space as possibe per server, seems like it will be raid5.
> At this moment I'm planing to create just a single distributed storage over these two servers and mount them on the production server, so it could archive files there. So it would be like 168+112 = 280 TB storage pool. We are planing to extend this one anually, by adding HDDs to second server at the end of first year and then adding some storage by extending the ammount of servers, wich means, just adding the bricks to the distributed storage massive.
> Any better solutions or possibilities ?
> -- 
> Best regards,
> Roman.
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