2
votes
0answers
88 views

Why don't enterprise RAID controllers support migration from RAID 5 to RAID 10?

I've been doing some research on the possibility of live migration from RAID 5 to RAID 10 and I'm curious as to why it seems that most RAID controllers (particularly Dell's PERC controllers) don't ...
0
votes
3answers
849 views

Convert RAID 5 to RAID 10 without data loss

I have a Windows SBS 2011 server on a Dell R610 with RAID 5 configuration [3 disk]. Is there a way to convert it to RAID 10[4 or 6 disk] without losing anything or needing to re-install the whole OS ...
-1
votes
3answers
290 views

Raid 0, Raid 1, Raid 5, Raid6, Raid 10 Read/Write performance? [duplicate]

Assume a single disk has a baseline of 1W & 1R performance, how does the different RAID configurations behave? My initial guess: Raid 0: 2W 2R Raid 1: 1W 2R Raid 5: ? ? Raid 6: ? ? Raid 10: ...
1
vote
1answer
118 views

Building hybrid RAID10 + RAID5 environment

I have the following configuration: simple video surveillance system (server 1: recording past 24h; server 2: recording past 30 days). I am primarily using the content on the 24h storage, while I ...
1
vote
3answers
165 views

Is this a possible/good RAID setup?

Earlier this week, one drive in our office's 2-year-old RAID5 array (4x 750GB Seagate drives, HP ProLiant 110 with Smart Array controller, running Windows Server 2003) failed. From what I know, RAID5 ...
0
votes
1answer
134 views

How to rebuild my NAS

Today I have a QNAP TS-859U+ with 8 X 2TB disks in it. As it's was setup on day-1 it uses a single volume on a raid 5. The volume has currently a mixture of: 2 shared folders 5 iScsi Targets - ...
-4
votes
1answer
555 views

Debian Squeeze with RAID 10

I'm trying to do a fresh install of Debian Squeeze on a server and set it up with RAID 5, or RAID 10 if possible (4 disks). I'm having difficulty finding detailed instructions on how to do this. I'm ...
3
votes
4answers
919 views

Running swap on RAID10 or RAID5?

In follow-up to this previous question (and it's excellent answer), I am curious to know if running swap on a RAID5 might not be better than on a RAID10. My thinking is that you might lose a bit on ...
6
votes
3answers
23k views

RAID 10 or RAID 5 for multiple VMs - what is the best choice?

I have just ordered a new rig for my business. We do a lot of software development for Microsoft SharePoint and need the rig to run several virtual machines for development and test purposes. We will ...
1
vote
4answers
2k views

Linux Software RAID 5 Random Small Write Performance Abysmal - Reconfiguration Advice

I have 3 1 TB HDDs and 3 500 GB HDDs. Right now each size grouping is in a RAID 5, both of which are in an LVM volume group (with striped LVs). I'm finding this to be too slow for my usage on small ...
2
votes
4answers
379 views

Which RAID format is best for data privacy during RMA?

So there are several RAID configurations to chose from, and I was wondering, eventually I expect some 25-45% of my drives may need to get swapped for a warranty repair. I know that there is no hope ...
5
votes
7answers
8k views

Raid 5 with hot spare or RAID 10 with no hot spare?

Yes, this is on of those "do my job for me" questions, have some pity:) I'm at the limit for what I can do with the number of hard drives in a server without spending a substantial amount of money. ...