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November 27th, 2023 10:58

Move Datastore from SAS-based RAID Array to SATA-based Array

We've got a situation where I'm a bit unsure what the best way to handle would be.

Currently we have a RAID-10 Array on a PERC H730 Mini, built upon WD Re SAS drives.

Unfortunately 2 out of 4 drives start to report failure and we'd like to replace them.

Comparing server age to disk prices, we currently plan to switch from SAS to SATA drives.

My understanding here is, that I cannot mix SAS and SATA drives within the same RAID Array.

I guess, we'd need to create a seperate RAID Array built from SATA drives and transfer everything from the old to the new virtual drive?

Thanks in advance,

Sven

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November 27th, 2023 15:13

Hi, yes you can't mix SAS and SATA drives in a same RAID array. So, you will have to make a new RAID array with SATA drives and move everything from the old one to the new one.

There are various methods to move your datastore, depending on what you prefer and what your situation is. Here are some options:

You can use the vmkfstools command to copy the files of the virtual machines from one datastore to another. This option needs SSH access to the ESXi host and enough space on the destination datastore. You can use the Storage vMotion feature to move the virtual machines from one datastore to another with no downtime. This option needs a vCenter Server and a license that supports Storage vMotion. You can use the VMware Converter tool to change the virtual machines from one datastore to another. This option needs a Windows machine and a network connection between the source and destination datastores.

Other than that please check this link ‎R320 - how to change SAS to SATA SSD? | DELL Technologies

November 28th, 2023 11:10

Thanks you Erman,

perfect and helpful answer!

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