- This topic has 4 replies, 2 voices, and was last updated May 29, 2022 at 6:36 am by
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Hi all,
So I have a spare WD Red 4TB HD – WD40EFRX and I understand these have been replaced with WD Red Pro 4TB – WD40EFZX.
My question is, will I be able to use these together in the same RAID 5 setup? Reason I ask is from what I can tell, the original EFRX had 64mb cache whereas the new EFZX has 128mb cache and is apparently slightly faster than the older version.
I am ignoring the SMR drives as these have reports of suffering from poor performance so sticking to cmr drives.
Thanks
Kev
Mixing the two simular drives should not be an issue, you will loose the benefits of the the extra cache and the increase in 150 to 170 MB/s write speed of the new disk.
In a completely sane world, madness is the only freedom (J.G.Ballard).
Thanks, Upon reading it worked in a mirror raid, I figured no reason it wouldn’t work in a raid 5 so ordered then. They arrived today, I’ve added them and also created new volume on nas. It’s currently doing parity check of the new volume so will leave that as it will take several hours so will look at moving data to it probably tomorrow evening or the weekend :) Basically setting up a new volume to hold backups of data I store locally on the PC as well as to re-locate some stuff from the 1st volume onto the 2nd volume to free up a bit more space on the first volume as its currently approx 75% full.
Kev
I’ve added them and also created new volume on nas. It’s currently doing parity check of the new volume so will leave that as it will take several hours so will look at moving data to it probably tomorrow evening or the weekend :)
Is the new ‘WD Red Pro 4TB – WD40EFZX’ disk still working well in the mixed disk RAID 5 configuration, any noticeable performance issues ?
In a completely sane world, madness is the only freedom (J.G.Ballard).
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