<div dir="auto">Hardware raid with ZFS should avoided<div dir="auto">ZFS needs direct access to disks and with hardware raid you have a controller in the middle</div><div dir="auto"><br></div><div dir="auto">If you need ZFS, skip the hardware raid and use ZFS raid</div></div><div class="gmail_extra"><br><div class="gmail_quote">Il 6 mar 2017 9:23 PM, "Dung Le" <<a href="mailto:vic_le@icloud.com">vic_le@icloud.com</a>> ha scritto:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">Hi,<div><br></div><div>Since I am new with Gluster, need your advices. I have 2 different Gluster configuration:</div><div><br></div><div><b><u>Purpose:</u></b> Need to create 5 Gluster volumes. I am running the gluster version is 3.9.0.</div><div><br></div><div><b><u>Config #1: 5 bricks from one zpool</u></b></div><div><ul><li>3 storage nodes.</li><li>Using hardware raid to create one array with raid5 (9+1) per storage node </li><li>Create a zpool on top of the array per storage node</li><li>Create 5 ZFS shares (each share is a brick) per storage node</li><li>Create 5 volumes with replica of 3 using 5 different bricks.</li></ul></div><div><br></div><div><b><u>Config #2: 1 brick from one zpool</u></b></div><div><ul><li>3 storage nodes.</li><li>Using hardware raid to create one array with raid5 (9+1) per storage node</li><li>Create a zpool on top of the array per storage node</li><li>Create 1 ZFS shares per storage node. Using the share as brick.</li><li>Create 5 volumes with replica of 3 with same share.</li></ul><div><br></div><div>1) Is there any different on the performance on both config? </div><div>2) Will the single brick be handling parallel writing vs multiple brick?</div><div>3) Since I am using hardware raid controller, any option that I need to enable or disable for the gluster volume?</div><div><br></div><div>Best Regards,</div><div>~ Vic Le</div><div><br></div></div></div><br>______________________________<wbr>_________________<br>
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