{"id":57884,"date":"2020-01-23T08:30:00","date_gmt":"2020-01-23T14:30:00","guid":{"rendered":"https:\/\/eshop.macsales.com\/blog\/?p=57884"},"modified":"2020-01-28T13:29:23","modified_gmt":"2020-01-28T19:29:23","slug":"accelsior-4m2-raid-0-boot-mac-boot-drive","status":"publish","type":"post","link":"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/","title":{"rendered":"Accelsior 4M2: RAID 0 + Mac Boot Drive"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong>Introduction<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignright size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"284\" height=\"199\" src=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2019\/12\/owc-accelsior-4m2-284x199.jpeg\" alt=\"OWC Accelsior 4M.2\" class=\"wp-image-57044\" srcset=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2019\/12\/owc-accelsior-4m2-284x199.jpeg 284w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2019\/12\/owc-accelsior-4m2-171x120.jpeg 171w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2019\/12\/owc-accelsior-4m2-190x133.jpeg 190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2019\/12\/owc-accelsior-4m2.jpeg 951w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2019\/12\/owc-accelsior-4m2-284x199@2x.jpeg 568w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2019\/12\/owc-accelsior-4m2-171x120@2x.jpeg 342w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2019\/12\/owc-accelsior-4m2-190x133@2x.jpeg 380w\" sizes=\"auto, (max-width: 284px) 100vw, 284px\" \/><\/figure><\/div>\n\n\n\n<p>Occasionally customers who purchased the Accelsior 4M2 ask if it\u2019s possible to \u201cset aside\u201d one of the four installed M.2 SSDs as a macOS boot volume, while the remaining three are used as a RAID 0. This setup will reduce the maximum performance levels as compared to the factory RAID 0 config, but it is possible. The steps that follow provide an overview. <\/p>\n\n\n\n<p class=\"footnote size-95em\"><em>This process assumes you have downloaded a local copy of the target macOS installer (10.14.6 required on 2010-2012 Mac Pro; 10.15.1 or later required on 2019 Mac Pro). The example in this article utilized a 2019 Mac Pro, and covers standard four-disk solutions purchased from OWC and its partners. In the near future we will cover the same process for customers who purchase their own M.2 drives for this product.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Method 1: SSDs Pre-installed<\/strong><\/h2>\n\n\n\n<p>If you purchased the Accelsior 4M2 populated with SSDs, the product is configured at the factory as a RAID 0. Depending on the version of SoftRAID you have installed, when the app launches you should see a screen that looks similar to the one below (this tutorial assumes the use of a Mac). <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Intro-1.jpg\" alt=\"Screenshot of SoftRAID with Accelsior 4M2\" class=\"wp-image-57931\" width=\"617\" height=\"454\" srcset=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Intro-1.jpg 1234w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Intro-1-163x120.jpg 163w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Intro-1-284x209.jpg 284w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Intro-1-190x140.jpg 190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Intro-1-163x120@2x.jpg 326w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Intro-1-284x209@2x.jpg 568w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Intro-1-190x140@2x.jpg 380w\" sizes=\"auto, (max-width: 617px) 100vw, 617px\" \/><figcaption>Here the factory volume name was changed and selected so you can see the four M.2 SSDs the factory RAID 0 is built from.&nbsp;<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"footnote size-95em\"><strong>IMPORTANT:<\/strong>&nbsp;The process that follows assumes the Accelsior 4M2 has not yet been used and is storing no data of any kind.&nbsp;This process will permanently destroy all data on the device!<br \/><br \/><strong>NOTE:<\/strong>&nbsp;At different points, you may be asked to provide system credentials; for brevity, this is not shown.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Steps 1-3<\/strong><\/h3>\n\n\n\n<p>In order to use one of the M.2 drives as a boot volume, the default RAID 0 volume needs to be removed. First, right-click on the volume tile and choose \u2018Disable Safeguard\u2019. Once that\u2019s done, right-click the tile again to \u2018Unmount\u2019 the drive, then a third and final time to \u2018Delete\u2019 the volume.&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-1-3.jpg\" alt=\"Screenshot of SoftRAID showing dropdown menu\" class=\"wp-image-57933\" width=\"600\" height=\"553\" srcset=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-1-3.jpg 1200w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-1-3-130x120.jpg 130w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-1-3-284x262.jpg 284w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-1-3-190x175.jpg 190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-1-3-130x120@2x.jpg 260w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-1-3-284x262@2x.jpg 568w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-1-3-190x175@2x.jpg 380w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 4<\/strong><\/h3>\n\n\n\n<p>You should now see four identical Disk panels grouped together. At the time of this writing, each should list the model as \u2018Aura P12\u2019. Assuming there are no errors displayed for any of them,&nbsp;<strong>select three disks<\/strong>, then right-click and choose \u2018New Volume\u2019.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-4.jpg\" alt=\"Screenshot of SoftRAID with &quot;New Volume&quot; selected\" class=\"wp-image-57934\" width=\"597\" height=\"420\" srcset=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-4.jpg 1193w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-4-170x120.jpg 170w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-4-284x200.jpg 284w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-4-190x134.jpg 190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-4-170x120@2x.jpg 340w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-4-284x200@2x.jpg 568w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-4-190x134@2x.jpg 380w\" sizes=\"auto, (max-width: 597px) 100vw, 597px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 5<\/strong><\/h3>\n\n\n\n<p>The New Volume screen will appear. First, give the new volume a name. Next, select the \u2018RAID 0\u2019 (or Stripe) option from the \u2018Volume Type\u2019 menu if it\u2019s not selected by default. The \u2018File system\u2019 value should default to \u2018HFS+\u2019, which is currently the best option for most Mac users. Future versions of SoftRAID may also support APFS. If you know you will be using a particular kind of workflow with this product, choose it from the \u2018Optimized for\u2019 menu; if your use cases are mixed or general<g class=\"gr_ gr_9 gr-alert gr_spell gr_inline_cards gr_disable_anim_appear ContextualSpelling ins-del multiReplace\" id=\"9\" data-gr-id=\"9\">&#8211;<\/g>purpose, you can select \u2018Workstation\u2019. When you\u2019re ready click the \u2018Create\u2019 button.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5.jpg\" alt=\"Screenshot of SoftRAID with &quot;Digital Video&quot; selected\" class=\"wp-image-57935\" width=\"544\" height=\"400\" srcset=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5.jpg 1088w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5-163x120.jpg 163w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5-284x209.jpg 284w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5-190x140.jpg 190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5-163x120@2x.jpg 326w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5-284x209@2x.jpg 568w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5-190x140@2x.jpg 380w\" sizes=\"auto, (max-width: 544px) 100vw, 544px\" \/><\/figure><\/div>\n\n\n\n<p>An additional dialog will appear allowing you to define the stripe unit size, however, in most cases, you will not need&nbsp;to change anything; the value used will relate directly to the \u2018Optimize for\u2019 setting you chose. Click \u2018OK\u2019 to continue.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Stripe-units.jpg\" alt=\"SoftRAID New Volume stripe unit size\" class=\"wp-image-57936\" width=\"421\" height=\"322\" srcset=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Stripe-units.jpg 841w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Stripe-units-157x120.jpg 157w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Stripe-units-284x217.jpg 284w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Stripe-units-190x145.jpg 190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Stripe-units-157x120@2x.jpg 314w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Stripe-units-284x217@2x.jpg 568w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Stripe-units-190x145@2x.jpg 380w\" sizes=\"auto, (max-width: 421px) 100vw, 421px\" \/><\/figure><\/div>\n\n\n\n<p>When the new volume is created, it should appear in the Volumes panel, as shown below. Make sure the volume tile says \u201cno errors\u201d before continuing.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5a.jpg\" alt=\"SoftRAID no errors RAID 0\" class=\"wp-image-57937\" width=\"594\" height=\"417\" srcset=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5a.jpg 1187w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5a-171x120.jpg 171w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5a-284x200.jpg 284w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5a-190x133.jpg 190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5a-171x120@2x.jpg 342w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5a-284x200@2x.jpg 568w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-5a-190x133@2x.jpg 380w\" sizes=\"auto, (max-width: 594px) 100vw, 594px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 6<\/strong><\/h3>\n\n\n\n<p>Once the new RAID 0 is set up, there is one last thing that needs to be done before you can move to the Disk Utility app to create a new boot volume. Select the remaining available disk from your Accelsior 4M2, right-click and choose \u2018Zero Sectors\u2019.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6.jpg\" alt=\"SoftRAID zero sectors\" class=\"wp-image-57938\" width=\"595\" height=\"431\" srcset=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6.jpg 1190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6-166x120.jpg 166w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6-284x205.jpg 284w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6-190x137.jpg 190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6-166x120@2x.jpg 332w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6-284x205@2x.jpg 568w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6-190x137@2x.jpg 380w\" sizes=\"auto, (max-width: 595px) 100vw, 595px\" \/><\/figure><\/div>\n\n\n\n<p>A dialog box will appear that provides two methods of doing this, \u2018Entire Disk\u2019 and \u2018First and Last 100 Sectors\u2019. In most cases, the latter option is all that\u2019s needed (and will take less time). Click the button to continue.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6a.jpg\" alt=\"SoftRAID modal popup window to erase first and last 100 sectors\" class=\"wp-image-57939\" width=\"500\" height=\"159\" srcset=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6a.jpg 999w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6a-284x90.jpg 284w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6a-190x60.jpg 190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6a-284x90@2x.jpg 568w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6a-190x60@2x.jpg 380w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n\n<p>When this process is complete, you should see the disk icon change to a question mark, as shown below. Note the ordering of the disks may change or be different than before. If no errors are reported on any of the disks in the Accelsior 4M2, you can now Quit SoftRAID.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6b.jpg\" alt=\"SoftRAID window showing drive with a question mark\" class=\"wp-image-57940\" width=\"593\" height=\"419\" srcset=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6b.jpg 1186w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6b-170x120.jpg 170w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6b-284x200.jpg 284w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6b-190x134.jpg 190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6b-170x120@2x.jpg 340w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6b-284x200@2x.jpg 568w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-6b-190x134@2x.jpg 380w\" sizes=\"auto, (max-width: 593px) 100vw, 593px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 7<\/strong><\/h3>\n\n\n\n<p>Launch Disk Utility and find the drive you intend to use for the macOS boot volume in the sidebar, then select it as shown below. It should say \u201cunitialized\u201d at the top, under the Manufacturer name and related info.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7.jpg\" alt=\"Disk Utility showing drive selected\" class=\"wp-image-57941\" width=\"556\" height=\"318\" srcset=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7.jpg 1112w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7-210x120.jpg 210w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7-284x162.jpg 284w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7-190x109.jpg 190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7-210x120@2x.jpg 420w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7-284x162@2x.jpg 568w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7-190x109@2x.jpg 380w\" sizes=\"auto, (max-width: 556px) 100vw, 556px\" \/><\/figure><\/div>\n\n\n\n<p><strong>IMPORTANT:<\/strong> If you mistakenly select one of the three disks in the RAID 0 volume, the information will look similar to what is shown below. Make sure this is not the case before you proceed.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7a.jpg\" alt=\"Disk Utility showing drive after initialization\" class=\"wp-image-57942\" width=\"555\" height=\"349\" srcset=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7a.jpg 1110w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7a-191x120.jpg 191w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7a-284x178.jpg 284w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7a-190x119.jpg 190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7a-191x120@2x.jpg 382w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7a-284x178@2x.jpg 568w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-7a-190x119@2x.jpg 380w\" sizes=\"auto, (max-width: 555px) 100vw, 555px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 8<\/strong><\/h3>\n\n\n\n<p>With the correct disk selected click the \u2018Erase\u2019 button on the toolbar, then apply the recommended settings for a macOS boot volume, and give the volume a name. In most cases, you should choose \u2018APFS\u2019 as the format, as this is designed both for use with SSDs and more recent versions of macOS and \u2018GUID Partition Map\u2019 as the scheme. When ready click \u2018Erase\u2019.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8-1.jpg\" alt=\"Disk Utility erasing boot drive\" class=\"wp-image-57945\" width=\"557\" height=\"324\" srcset=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8-1.jpg 1114w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8-1-207x120.jpg 207w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8-1-284x165.jpg 284w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8-1-190x110.jpg 190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8-1-207x120@2x.jpg 414w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8-1-284x165@2x.jpg 568w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8-1-190x110@2x.jpg 380w\" sizes=\"auto, (max-width: 557px) 100vw, 557px\" \/><\/figure><\/div>\n\n\n\n<p>When finished, you should see a dialog similar to the one below (View Details is active). Click \u2018Done\u2019.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8a-1.jpg\" alt=\"Disk Utility showing drive erased\" class=\"wp-image-57946\" width=\"557\" height=\"356\" srcset=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8a-1.jpg 1113w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8a-1-188x120.jpg 188w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8a-1-284x182.jpg 284w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8a-1-190x122.jpg 190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8a-1-188x120@2x.jpg 376w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8a-1-284x182@2x.jpg 568w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-8a-1-190x122@2x.jpg 380w\" sizes=\"auto, (max-width: 557px) 100vw, 557px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 9<\/strong><\/h3>\n\n\n\n<p>You can now quit the Disk Utility and launch the macOS installer that you downloaded earlier.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-9.jpg\" alt=\"Install macOS Catalina window\" class=\"wp-image-57947\" width=\"593\" height=\"477\" srcset=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-9.jpg 1186w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-9-149x120.jpg 149w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-9-284x228.jpg 284w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-9-190x153.jpg 190w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-9-149x120@2x.jpg 298w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-9-284x228@2x.jpg 568w, https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/Step-9-190x153@2x.jpg 380w\" sizes=\"auto, (max-width: 593px) 100vw, 593px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 10<\/strong><\/h3>\n\n\n\n<p>Follow the prompts until you reach the point where you select a target volume. Click the \u2018Show All Disks\u2019 item and then select the volume you created in Step 8. From this point, you can proceed by following the remainder of the prompts in the macOS installer as you normally would, and then later select your boot volume either in the Startup Disk preferences area or by Option-booting and selecting it.<\/p>\n\n\n\n<p class=\"footnote\"><strong>NOTE:<\/strong> OWC can confirm that when using the 2019 Mac Pro, and following this process, your boot drive will always be seen as &#8220;external&#8221; by the system. However, it should be available in both the System Preferences (Startup Disk panel) and in the Option-Boot menu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Occasionally customers who purchased the Accelsior 4M2 ask if it\u2019s possible to \u201cset aside\u201d one of the four installed M.2 SSDs as a macOS boot volume, while the remaining three are used as a RAID 0. This setup will reduce the maximum performance levels as compared to the factory RAID 0 config, but it is possible.<\/p>\n<p>The steps in this Rocket Yard Guide provide an overview of the process.<\/p>\n","protected":false},"author":84,"featured_media":57951,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":"","footnotes":""},"categories":[4],"class_list":["post-57884","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech-tips"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.2 (Yoast SEO v20.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Accelsior 4M2: RAID 0 + Mac Boot Drive<\/title>\n<meta name=\"description\" content=\"This article shows how to \u201cset aside\u201d one of the four installed Accelsior 4M2 SSDs as a macOS boot volume, using the remaining three in a RAID 0 configuration.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Accelsior 4M2: RAID 0 + Mac Boot Drive\" \/>\n<meta property=\"og:description\" content=\"This article shows how to \u201cset aside\u201d one of the four installed Accelsior 4M2 SSDs as a macOS boot volume, using the remaining three in a RAID 0 configuration.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/\" \/>\n<meta property=\"og:site_name\" content=\"Rocket Yard\" \/>\n<meta property=\"article:published_time\" content=\"2020-01-23T14:30:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-01-28T19:29:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/AccelsiorBootDrive-568x646-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"568\" \/>\n\t<meta property=\"og:image:height\" content=\"646\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Dan @ MacSales.com\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dan @ MacSales.com\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/\"},\"author\":{\"name\":\"Dan @ MacSales.com\",\"@id\":\"https:\/\/eshop.macsales.com\/blog\/#\/schema\/person\/2bb27da05b4ec1426a32300a2a8f5eef\"},\"headline\":\"Accelsior 4M2: RAID 0 + Mac Boot Drive\",\"datePublished\":\"2020-01-23T14:30:00+00:00\",\"dateModified\":\"2020-01-28T19:29:23+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/\"},\"wordCount\":967,\"commentCount\":4,\"publisher\":{\"@id\":\"https:\/\/eshop.macsales.com\/blog\/#organization\"},\"keywords\":[\"Accelsior\",\"Accelsior 4M2\",\"Boot\",\"Boot Drive\",\"M.2 NVMe SSD\",\"RAID\",\"RAID 0\"],\"articleSection\":[\"Tech Tips\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/\",\"url\":\"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/\",\"name\":\"Accelsior 4M2: RAID 0 + Mac Boot Drive\",\"isPartOf\":{\"@id\":\"https:\/\/eshop.macsales.com\/blog\/#website\"},\"datePublished\":\"2020-01-23T14:30:00+00:00\",\"dateModified\":\"2020-01-28T19:29:23+00:00\",\"description\":\"This article shows how to \u201cset aside\u201d one of the four installed Accelsior 4M2 SSDs as a macOS boot volume, using the remaining three in a RAID 0 configuration.\",\"breadcrumb\":{\"@id\":\"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/eshop.macsales.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Accelsior 4M2: RAID 0 + Mac Boot Drive\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/eshop.macsales.com\/blog\/#website\",\"url\":\"https:\/\/eshop.macsales.com\/blog\/\",\"name\":\"Rocket Yard\",\"description\":\"Your source for expert tips, special deals, commentary, reviews, and the latest tech news.\",\"publisher\":{\"@id\":\"https:\/\/eshop.macsales.com\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/eshop.macsales.com\/blog\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/eshop.macsales.com\/blog\/#organization\",\"name\":\"OWC\",\"url\":\"https:\/\/eshop.macsales.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/eshop.macsales.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/06\/rocket-yard-logo-round.png\",\"contentUrl\":\"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/06\/rocket-yard-logo-round.png\",\"width\":1024,\"height\":1024,\"caption\":\"OWC\"},\"image\":{\"@id\":\"https:\/\/eshop.macsales.com\/blog\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/eshop.macsales.com\/blog\/#\/schema\/person\/2bb27da05b4ec1426a32300a2a8f5eef\",\"name\":\"Dan @ MacSales.com\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/eshop.macsales.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/192ebd5649510057ceae2f8847daede8b5d219a9ef43a9d279dd713f94e43c57?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/192ebd5649510057ceae2f8847daede8b5d219a9ef43a9d279dd713f94e43c57?s=96&d=mm&r=g\",\"caption\":\"Dan @ MacSales.com\"},\"url\":\"https:\/\/eshop.macsales.com\/blog\/author\/owc-dan\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Accelsior 4M2: RAID 0 + Mac Boot Drive","description":"This article shows how to \u201cset aside\u201d one of the four installed Accelsior 4M2 SSDs as a macOS boot volume, using the remaining three in a RAID 0 configuration.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/","og_locale":"en_US","og_type":"article","og_title":"Accelsior 4M2: RAID 0 + Mac Boot Drive","og_description":"This article shows how to \u201cset aside\u201d one of the four installed Accelsior 4M2 SSDs as a macOS boot volume, using the remaining three in a RAID 0 configuration.","og_url":"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/","og_site_name":"Rocket Yard","article_published_time":"2020-01-23T14:30:00+00:00","article_modified_time":"2020-01-28T19:29:23+00:00","og_image":[{"width":568,"height":646,"url":"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/AccelsiorBootDrive-568x646-1.jpg","type":"image\/jpeg"}],"author":"Dan @ MacSales.com","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Dan @ MacSales.com","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/#article","isPartOf":{"@id":"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/"},"author":{"name":"Dan @ MacSales.com","@id":"https:\/\/eshop.macsales.com\/blog\/#\/schema\/person\/2bb27da05b4ec1426a32300a2a8f5eef"},"headline":"Accelsior 4M2: RAID 0 + Mac Boot Drive","datePublished":"2020-01-23T14:30:00+00:00","dateModified":"2020-01-28T19:29:23+00:00","mainEntityOfPage":{"@id":"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/"},"wordCount":967,"commentCount":4,"publisher":{"@id":"https:\/\/eshop.macsales.com\/blog\/#organization"},"keywords":["Accelsior","Accelsior 4M2","Boot","Boot Drive","M.2 NVMe SSD","RAID","RAID 0"],"articleSection":["Tech Tips"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/","url":"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/","name":"Accelsior 4M2: RAID 0 + Mac Boot Drive","isPartOf":{"@id":"https:\/\/eshop.macsales.com\/blog\/#website"},"datePublished":"2020-01-23T14:30:00+00:00","dateModified":"2020-01-28T19:29:23+00:00","description":"This article shows how to \u201cset aside\u201d one of the four installed Accelsior 4M2 SSDs as a macOS boot volume, using the remaining three in a RAID 0 configuration.","breadcrumb":{"@id":"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/eshop.macsales.com\/blog\/57884-accelsior-4m2-raid-0-boot-mac-boot-drive\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/eshop.macsales.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Accelsior 4M2: RAID 0 + Mac Boot Drive"}]},{"@type":"WebSite","@id":"https:\/\/eshop.macsales.com\/blog\/#website","url":"https:\/\/eshop.macsales.com\/blog\/","name":"Rocket Yard","description":"Your source for expert tips, special deals, commentary, reviews, and the latest tech news.","publisher":{"@id":"https:\/\/eshop.macsales.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/eshop.macsales.com\/blog\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/eshop.macsales.com\/blog\/#organization","name":"OWC","url":"https:\/\/eshop.macsales.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/eshop.macsales.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/06\/rocket-yard-logo-round.png","contentUrl":"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/06\/rocket-yard-logo-round.png","width":1024,"height":1024,"caption":"OWC"},"image":{"@id":"https:\/\/eshop.macsales.com\/blog\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/eshop.macsales.com\/blog\/#\/schema\/person\/2bb27da05b4ec1426a32300a2a8f5eef","name":"Dan @ MacSales.com","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/eshop.macsales.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/192ebd5649510057ceae2f8847daede8b5d219a9ef43a9d279dd713f94e43c57?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/192ebd5649510057ceae2f8847daede8b5d219a9ef43a9d279dd713f94e43c57?s=96&d=mm&r=g","caption":"Dan @ MacSales.com"},"url":"https:\/\/eshop.macsales.com\/blog\/author\/owc-dan\/"}]}},"jetpack_featured_media_url":"https:\/\/eshop.macsales.com\/blog\/wp-content\/uploads\/2020\/01\/AccelsiorBootDrive-568x646-1.jpg","jetpack_shortlink":"https:\/\/wp.me\/pmPaT-f3C","_links":{"self":[{"href":"https:\/\/eshop.macsales.com\/blog\/wp-json\/wp\/v2\/posts\/57884","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eshop.macsales.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eshop.macsales.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eshop.macsales.com\/blog\/wp-json\/wp\/v2\/users\/84"}],"replies":[{"embeddable":true,"href":"https:\/\/eshop.macsales.com\/blog\/wp-json\/wp\/v2\/comments?post=57884"}],"version-history":[{"count":15,"href":"https:\/\/eshop.macsales.com\/blog\/wp-json\/wp\/v2\/posts\/57884\/revisions"}],"predecessor-version":[{"id":57977,"href":"https:\/\/eshop.macsales.com\/blog\/wp-json\/wp\/v2\/posts\/57884\/revisions\/57977"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/eshop.macsales.com\/blog\/wp-json\/wp\/v2\/media\/57951"}],"wp:attachment":[{"href":"https:\/\/eshop.macsales.com\/blog\/wp-json\/wp\/v2\/media?parent=57884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eshop.macsales.com\/blog\/wp-json\/wp\/v2\/categories?post=57884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}