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Hey... So i have a RAID1 with two 1TB drives. I only use like

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Thread replies: 22
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raid1.gif
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Hey...

So i have a RAID1 with two 1TB drives. I only use like 200GB of that.

I would like to switch to SSD!

If i exchange one 1TB HDD with a 250GB SSD will the RAID1 rebuild? and after that, can i put the next SSD in and rebuild from the first SSD?
>>
>>58370899
>>58370891

cool THX guys :D
>>
Could you please rephrase the question?
>>
>>58370909
only correct answer ITT
>>
hardware raid? no, you fuck'd

software raid? yes, but first you need to resize the partitions and then the raid below the size of what it'll be with the new drives (and the regrow to full size)
>>
>>58370850
it's probable not going to work as the RAID is going to think it needs to copy 1TB of data onto a 250GB SSD. But give it a try I can't see you loosing anything as you have a backup.
>>
>>58370850
If you have enough ports: just add the two new SSDs, make them into a RAID pair, format, partition (if relevant) and then copy the data from the old RAID set into the new RAID set.

Since RAID1 is plain mirroring, will not one SSD saturate your ports anyway? Two will probably not provide much benefit. It depends on your hardware, is it soft- or hardware RAID?
>>
Fix'd the PM ;)
>>
>>58371186

It's hardware RAID and it's also my boot drive.
I was hoping the whole thing would still be bootable after the rebuild...

I have the RAID setup to be save if one of my drives fails (not as a backup)
>>
>>58371112
>software raid? yes, but first you need to resize the partitions and then the raid below the size of what it'll be with the new drives (and the regrow to full size)
Also depends on the type of software RAID. ZFS, for example, won't let you shrink disks. Btrfs will.
>>
>>58371301
>hardware RAID
hahaha oh wow
>>
>>58372425
>Enterprise hardware
Oh hahaha wow
>>
>>58372939
>using a $1000 enterprise RAID card for his RAID1 of two 1TB drives
uh huh, sure
>>
>>58370909
I don't know
>>
>>58373182
Can you repeat the question ?
>>
>>58372425
>>58372939
>>58373093

what's wrong with hardware RAID?
>>
>>58373505
Enterprise RAID ($1000 raid cards): They're solid, but you're still vendor-locked, good luck trying to migrate your pool

“Hardware” “RAID” (the shit that's on your motherboard or $50 “raid” “cards”): Completey jokes that will not only readily eat your data, corrupt your bits, lose your array on a power failure, “forget” to report failures and support 0 features, but are usually also slower than software RAID to begin with
>>
>>58373570
okay - never had a problem with that intel thingy on my motherboard.

i like hardware RAID because in RAID1 it gives me 2 bootable drives, if one dies windows still works.

Can software RAID do that somehow?
>>
>>58373570
I had one of those raid cards, albeit a bit more than $50. It was trash.
Drives would constantly just drop from the raid.
It was a huge pain in the ass.

If I was OP, I would just get some COTS NAS instead.

I'm not sure why OP wants raid in the first place.
if OP needs speed than getting a NVMe/PCIe SSD as a boot drive and then using some other form of storage would be better.
Maybe a regular regiment of backing up their files is a better solution rather then slapping together a RAID.
A raid can't protect you from malware, or you accidentally deleting shit.
>>
>>58373636
>Can software RAID do that somehow?
Yes, of course. Software RAID does everything “hardware” RAID does and way more.
>>
>>58373731
>A raid can't protect you from malware, or you accidentally deleting shit.
Hell, it can't even protect you from bit flips. RAID is pretty pointless except for >muh uptime

Now, CoW / snapshotting / checksumming filesystem on the other hand...
>>
I just wanted a "windows still works if one drive fails"-solution, that doesn't require any work on my part. I have never had a backup solution that created a instantly working OS backup... even if i clone the drive, the cloned drive doesn't boot windows.

important stuff is backed up anyways.
Thread posts: 22
Thread images: 1


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