<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi,<div class=""><br class=""></div><div class="">How about hardware raid with XFS? I assuming it would be faster than ZFS raid since it has physical cache on raid controller for reads and writes.</div><div class=""><br class=""></div><div class="">Thanks,</div><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Mar 6, 2017, at 3:08 PM, Gandalf Corvotempesta <<a href="mailto:gandalf.corvotempesta@gmail.com" class="">gandalf.corvotempesta@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="auto" class="">Hardware raid with ZFS should avoided<div dir="auto" class="">ZFS needs direct access to disks and with hardware raid you have a controller in the middle</div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">If you need ZFS, skip the hardware raid and use ZFS raid</div></div><div class="gmail_extra"><br class=""><div class="gmail_quote">Il 6 mar 2017 9:23 PM, "Dung Le" <<a href="mailto:vic_le@icloud.com" class="">vic_le@icloud.com</a>> ha scritto:<br type="attribution" class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class="">Hi,<div class=""><br class=""></div><div class="">Since I am new with Gluster, need your advices. I have 2 different Gluster configuration:</div><div class=""><br class=""></div><div class=""><b class=""><u class="">Purpose:</u></b> Need to create 5 Gluster volumes. I am running the gluster version is 3.9.0.</div><div class=""><br class=""></div><div class=""><b class=""><u class="">Config #1: 5 bricks from one zpool</u></b></div><div class=""><ul class=""><li class="">3 storage nodes.</li><li class="">Using hardware raid to create one array with raid5 (9+1) per storage node </li><li class="">Create a zpool on top of the array per storage node</li><li class="">Create 5 ZFS shares (each share is a brick) per storage node</li><li class="">Create 5 volumes with replica of 3 using 5 different bricks.</li></ul></div><div class=""><br class=""></div><div class=""><b class=""><u class="">Config #2: 1 brick from one zpool</u></b></div><div class=""><ul class=""><li class="">3 storage nodes.</li><li class="">Using hardware raid to create one array with raid5 (9+1) per storage node</li><li class="">Create a zpool on top of the array per storage node</li><li class="">Create 1 ZFS shares per storage node. Using the share as brick.</li><li class="">Create 5 volumes with replica of 3 with same share.</li></ul><div class=""><br class=""></div><div class="">1) Is there any different on the performance on both config? </div><div class="">2) Will the single brick be handling parallel writing vs multiple brick?</div><div class="">3) Since I am using hardware raid controller, any option that I need to enable or disable for the gluster volume?</div><div class=""><br class=""></div><div class="">Best Regards,</div><div class="">~ Vic Le</div><div class=""><br class=""></div></div></div><br class="">______________________________<wbr class="">_________________<br class="">
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