Soft RAID 0 or 5?
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Stige




Posts: 3544
Location: Finland
PostPosted: Mon, 7th Mar 2016 22:39    Post subject: Soft RAID 0 or 5?
For the lolz, I put 2x 250GB drives in software RAID 0 on my second PC, and boy does it make game installs faster, games install like 80% faster on the second PC compared to mine if I install them on a normal HDD.

So here is the deal: RAID 5 offers the same performance as RAID 0 but sacrifices 1/3 of the disk space so you can repair the data if a HDD fails aswell right? And RAID 5 requires 3 disks but that isn't an issue.

So RAID 5 > RAID 0?
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paxsali
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Posts: 18352

PostPosted: Mon, 7th Mar 2016 22:44    Post subject:
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Last edited by paxsali on Thu, 4th Jul 2024 21:36; edited 1 time in total
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Stige




Posts: 3544
Location: Finland
PostPosted: Mon, 7th Mar 2016 22:48    Post subject:
So RAID 6 or RAID 0? RAID 6 has some sort of performance hit? So RAID 0 in terms of pure performance? Ignoring one HDD dying and taking the data with it?

EDIT: RAID 6 and above seem to require 4 or more drives Sad


Last edited by Stige on Mon, 7th Mar 2016 22:54; edited 1 time in total
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Bob Barnsen




Posts: 31974
Location: Germoney
PostPosted: Mon, 7th Mar 2016 22:48    Post subject:
RAID 10 is best.
Why the fuck would you want RAID 0 man?! One error and all your files are fucked.
Bye.
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Bob Barnsen




Posts: 31974
Location: Germoney
PostPosted: Mon, 7th Mar 2016 22:51    Post subject:
Also here is a nice comparison with pros and cons of each RAID level:
http://www.adaptec.com/en-us/solutions/raid_levels.html


Enthoo Evolv ATX TG // Asus Prime x370 // Ryzen 1700 // Gainward GTX 1080 // 16GB DDR4-3200
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Stige




Posts: 3544
Location: Finland
PostPosted: Mon, 7th Mar 2016 22:52    Post subject:
I only got 3x1TB drives, not 4 Sad
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paxsali
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Posts: 18352

PostPosted: Mon, 7th Mar 2016 22:54    Post subject:
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Last edited by paxsali on Thu, 4th Jul 2024 21:36; edited 1 time in total
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Stige




Posts: 3544
Location: Finland
PostPosted: Mon, 7th Mar 2016 22:56    Post subject:


What does this degraded performance here mean?

I could just run 2x1TB drives for games etc in RAID 0 and use the third 1TB + 750GB drive I have for the important stuff then.
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paxsali
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Posts: 18352

PostPosted: Mon, 7th Mar 2016 23:42    Post subject:
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Last edited by paxsali on Thu, 4th Jul 2024 21:35; edited 1 time in total
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Bob Barnsen




Posts: 31974
Location: Germoney
PostPosted: Mon, 7th Mar 2016 23:44    Post subject:
paxsali wrote:
The failure rate of modern HDDs is too high.

No.


Enthoo Evolv ATX TG // Asus Prime x370 // Ryzen 1700 // Gainward GTX 1080 // 16GB DDR4-3200
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paxsali
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Posts: 18352

PostPosted: Mon, 7th Mar 2016 23:58    Post subject:
⁢⁢


Last edited by paxsali on Thu, 4th Jul 2024 21:35; edited 1 time in total
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Janz




Posts: 14000

PostPosted: Tue, 8th Mar 2016 00:15    Post subject:
Quote:
Your drives will fail, period.


last drive which failed here (ok it doenst really failed, it just had bad sectors which werent fixable, still have the replacement drive in the shelf with older backups) was a sata1 160gb hdd from samsung, and boy that was most likely about ~15 years ago
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scaramonga




Posts: 9800

PostPosted: Tue, 8th Mar 2016 09:18    Post subject:
RAID 0 for years me, great performance, and one knows not to be silly and keep important data on that set up Wink
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AmpegV4




Posts: 6248

PostPosted: Tue, 8th Mar 2016 10:08    Post subject:
Slightly off-topic just wanted to mention http://unraid/ as I wound up dedicating a machine to data storage and running a small fast SSD in my main rig.

Unraid is incredible if you want reliable, manageable storage at home. I'm 5-6 years in with with Unraid at 20tb capacity only replaced 2 disks (2tb's started failing SMART so replaced before failing with for 4tb drives).

Advantages:
- Can afford to lose 1 disk at any stage and can restore all data (Which blows my mind, how 1x 4tb disk can potentially hold parity for a 90+tb array).
- You can easily add disks of any size to the array at any time.
- WebUI is nice, easy to deploy docker containers to automate all your media needs.
- If you were unlucky and lost 2 disks you still don't lose entire array, only data from failing disks.
- Only spins up the disk with data you want to read, Try running 3-4 TV's playing different blurays with Raid 5.

Disadvantages:
- Performance is slower than a native disk (Which you can mitigate by using a SSD for cache)
- Sort of expensive, needs a dedicated machine, have to buy disks, power use, licence. Probably balances to same cost of netflix but more versatility over time.
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escalibur




Posts: 12148

PostPosted: Wed, 9th Mar 2016 17:20    Post subject:
I'm using RAID-Z1 with my current FreeNAS (i3 4330, 16GB 1600MHz DDR3 ECC, server ITX MB) but after I receive my 4th WD Red I'm gonna rebuild the storage to RAID-10. 4x3TB so 6TB of solid storage with some performance. I also have off-site NAS with 2x3TB WD Reds + external USB drive (everything is synced with rsync + off-site NAS's internal backup schedule) and one another external USB drive which I use for backups when I want to take offline backups.


Ryzen 9800X3D CO ~-26/+200 | Freezer III 360 A-RGB & 3x Phanteks T30 | Strix X670E-F WiFi | MSI GeForce RTX 5090 Ventus OC | Fury Beast 64GB (2x 32GB) DDR5 5600MHz C40 @ 6000MHz C28 | 970 EVO Plus 2 TB | 38GN950-B | S.M.S.L RAW-MDA1 & HiFiMAN Arya Organic | Lancool III Snow White + 4x be quiet! Silent Wings Pro 4 140mm | RM1000x (2021) Gold | G Pro X SUPERLIGHT 2 & POWERPLAY | Win 11 Pro | Logitech MX MECHANICAL

Sometimes I publish YouTube videos: https://www.youtube.com/@RandomTechChannel
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Stige




Posts: 3544
Location: Finland
PostPosted: Thu, 10th Mar 2016 15:50    Post subject:
Hmmph does CrystalDiskMark give accurate results for RAID0 harddrives? I get similiar results on it on my second PC with RAID0 and on my main PC on just one HDD but games clearly install a LOT faster on my second PC.

Also do the drives have to be exactly the same in RAID0 or does it matter at all? Can I use different sizes? Like 1TB+750GB in RAID0 or does it even allow you to do that?
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escalibur




Posts: 12148

PostPosted: Fri, 11th Mar 2016 19:40    Post subject:
The disks must have the same size regardless of model or manufacturer. There are some storage solutions where you can bring in whatever disks you have but in RAID all the disks must have the same size between each other. You can also use few different RAIDs on the same machine but then you need to create different RAID groups.


Ryzen 9800X3D CO ~-26/+200 | Freezer III 360 A-RGB & 3x Phanteks T30 | Strix X670E-F WiFi | MSI GeForce RTX 5090 Ventus OC | Fury Beast 64GB (2x 32GB) DDR5 5600MHz C40 @ 6000MHz C28 | 970 EVO Plus 2 TB | 38GN950-B | S.M.S.L RAW-MDA1 & HiFiMAN Arya Organic | Lancool III Snow White + 4x be quiet! Silent Wings Pro 4 140mm | RM1000x (2021) Gold | G Pro X SUPERLIGHT 2 & POWERPLAY | Win 11 Pro | Logitech MX MECHANICAL

Sometimes I publish YouTube videos: https://www.youtube.com/@RandomTechChannel
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Ampee




Posts: 1986

PostPosted: Mon, 18th Apr 2016 10:00    Post subject:
Im running my SSDs in raid0 and it performs very well. I don't need redundancy because reasons.
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