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Replacing server HDD's should I go SSD?

S

Shumph

Limp Gawd
Joined
Nov 29, 2004
Messages
401
I have a server that I want/need to replace the HDD's in. Nothing is failing but the disks have been on 6 years 24/7 and I know my time is probably getting short. Currently it is set up raid 10 on 1 array and raid 6 on another. it does not need to be that way just the way it is.

Server wise it is a 2p 2670v1 and that is still enough horse power for us. I do nightly backups with veeam (3 vm's) and I need about 5tb space max. Usage is less than 20 users with document management software (worldox) and 2 programs that use small sql databases.

Question is should I stick with normal HDD or go SSD? Would using one of the pcie nvme cards buy me speed? I can boot off a regular drive because I know these older boards have limited support (boots to hyper v server). I have a decent lsi card in there but I forgot the model
 
Assuming that you have the budget, there's no reason not to. Better reliability and better response times under load for your users, where's the downside?
 
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You could use the SSDs for the OS and the HDDs for DATA.
 
If you're only talking about 4TB then definitely I'd just do it. Especially with 20 users, without a doubt.
 
Stoly said:
You could use the SSDs for the OS and the HDDs for DATA.
Click to expand...

Well the os would be hyperv server. The data is technically the vm's and those I want speedy. Thinking 2 480gb ssd's mirrored for hyperv server and 2 of the cards I linked above for the vm's.
 
Like everyone said, if you can afford it, it’s going to better all around....I think that’s a good setup for the hyperv and vms...how many ports does your current controller cards have and do you envision the need to expand capacity much in the future?
 
Unless you are IO bound, don't upgrade. Put the money towards something else.
 
No reason not to go SSD these days unless you need a ton of inexpensiveish capacity.
 
If you've currently got spinning disks, an upgrade to *any* SSD would certainly be noticeable in terms of performance; you certainly don't need to jump to add-on PCI-E based SSDs in order to feel the difference the jump will make, regular SATA models would be fine.

We have built many a server with between 2 and 8 SATA SSDs on a RAID controller in RAID 1, 5, or 6, and they perform wonderfully. Keep in mind, if you put SSDs on a RAID controller then they will never run TRIM unless the controller is SSD/TRIM aware (most aren't) so the drive will need to have competent garbage collection on its controller as well as a bit of occasional downtime with which to run it. In other words, if you're going to slam the RAID array 100% of the time with 100% traffic, you don't want to put SATA SSDs on it unless the controller supports TRIM. If it's a more 'normal' server load, with periods of inactivity during off-hours, then you should be fine. We just load up a lot of smaller servers with 850 EVO drives and they're fine, though if you need better write endurance you can move to the 850 PRO drives.
 
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