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  1. #26
    Join Date
    Jul 2004
    Location
    New York, NY
    Posts
    2,181
    Quote Originally Posted by Ionity View Post
    How is the performance of that now?
    Performance is not bad - we're seeing about 500mbps throughput per drive but since its on RAID 10 - we're only seeing total throughput of ~2.4GB/S given the overhead. We've heard FastPath will take that up to ~3.0GB/S that's why I was wondering if the PCI-E 3.0 will add a bit more.

    We have 4 of these SANs connected together so the overall performance is fantastic for our nodes and we much prefer this over a branded off-the-shelf solution. Again this is not for everyone.

    We will be adding 2 SATA SANs with 600GB 15K RPM SATA drives as backup volumes and will be using cachecade on those for redunancy. (Our SSD sans are 6TB per unit right now 250GB * 24 drives each for 24TB total) so that'll work out nicely. with overprovisioning, we have plenty of space left and the redundancy on this setup is great. All of this cost about 30K

    We're using OSNexus as our software storage program FYI and would recommend them to anyone.

  2. #27
    Join Date
    Feb 2002
    Location
    New York, NY
    Posts
    4,618
    Quote Originally Posted by The Broadband Man View Post
    Performance is not bad - we're seeing about 500mbps throughput per drive but since its on RAID 10 - we're only seeing total throughput of ~2.4GB/S given the overhead. We've heard FastPath will take that up to ~3.0GB/S that's why I was wondering if the PCI-E 3.0 will add a bit more.
    For an 8x PCIe card, 2.0 can handle about 4GB/s, compared to 8GB/s for 3.0.

    If you're using an expander backplane, don't forget that it can be a bottleneck too. With 6Gbps gear, an SFF-8087 cable running in wide mode maxes out at 2.4GB/s.
    Scott Burns, President
    BQ Internet Corporation
    Remote Rsync and FTP backup solutions
    *** http://www.bqbackup.com/ ***

  3. #28
    Join Date
    Nov 2009
    Location
    Cincinnati
    Posts
    1,585
    Were rocking 16x 256gb 830 with a Dell R720 H710P for our VZ machines. Running 150 MySQL VPS across 3 Vmware ESXI VMs and still have 0ms latency on all of them. I guess we can't ask for more.

    Some benchmarks I ran: http://sudomakeinstall.com/linux-sys...ll-r720-16-bay
    'Ripcord'ing is the only way!

  4. #29
    Quote Originally Posted by Visbits View Post
    Were rocking 16x 256gb 830 with a Dell R720 H710P for our VZ machines. Running 150 MySQL VPS across 3 Vmware ESXI VMs and still have 0ms latency on all of them. I guess we can't ask for more.

    Some benchmarks I ran: http://sudomakeinstall.com/linux-sys...ll-r720-16-bay
    Awesome setup man.

    I thought dell once restricted drives on the machines to only you to use Dell branded drives?

  5. #30
    Join Date
    Nov 2009
    Location
    Cincinnati
    Posts
    1,585
    They stopped locking drives 3 server generations ago.
    'Ripcord'ing is the only way!

  6. #31
    Quote Originally Posted by Visbits View Post
    They stopped locking drives 3 server generations ago.
    Hm. Are you familiar with their iSCSI sans or any other storage solutions. Maybe I was thinking about those that they lock drives.

  7. #32
    Join Date
    Jul 2004
    Location
    New York, NY
    Posts
    2,181
    ^^ They do not. We have a few of those as well

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