Questions tagged [raid-10]
RAID (Redundant Array of Individual Disks) 10 is useful for both speed and redundancy
39
questions
0
votes
1
answer
835
views
Could someone, anyone, help me rebuild my RAID 10 array please?
A little background information just to help (hopefully)... I was doing a backup from my Synology box over the weekend and all was going very well up until Sunday morning when I've tried to re-connect ...
0
votes
1
answer
600
views
How many NVMe SSDs can I connect to a desktop PC and how?
I have 25 NVMe 2230 SSDs, each of them 256 GB. I was wondering how many of them can be connected to my desktop PC somehow. I know there are some adapters like quad NVMe to PCI-E but I want to use a ...
0
votes
0
answers
173
views
Raid 10 gone - how to rebuild / find informations
Because of another task, i had to disconnect all the raid hdd's from my pc.
Shutdown -> disconnect hdd's -> boot -> shutdown -> connect hdd's -> boot -> raid completely lost.
mdadm --...
0
votes
0
answers
831
views
Broken & Offline RAID10 - Array How to Add Drives Back (AMD RaidXpert)
I have a RAID10 array using 4 drives on an AMD Chipset controller (890FX). I had to unplug my drives to replace a failed water pump and when I booted up realised I hadn't plugged one drive in properly....
0
votes
2
answers
2k
views
Why is Raid 10 better than Raid 01?
It would appear to me performance wise, they are the same, isn't it true?
That is, if we write a 1GB file to Raid 10 or Raid 01, then we are letting each drive write 500MB of data, so it is increased ...
1
vote
2
answers
2k
views
How to migrate mdadm RAID10 with 4 disks to RAID5?
I have a software RAID10 based on Linux’ mdadm under Debian Buster. Originally I found RAID10 had best performance. But I need more space and accept to trade some write performance for +50% space.
# ...
0
votes
2
answers
1k
views
CentOS 8 doesn't find any disk
I need some help about CentOS 8.
I am trying to install CentOS 8 to Dell PowerEdge r715 server with a RAID-10 configured, but when I run the installer, it can not find the disks form the server, but ...
2
votes
0
answers
242
views
Up to which point (disk size) is Raid 6 safe to use? [closed]
I have been reading a lot of warnings about Raid-6 becoming less and less safe to use due to the storage amount per disk as well as array sizes increasing.
What are the best practice limits/when does ...
3
votes
0
answers
185
views
Metadata of the assambled raid inconsistent with the metadata of the individual drives?
We have a raid 10 with two failed drives, with one drive from each set still functional.
When booting into rescue system the metadata seems to be fine and consistent with the expected state.
The ...
0
votes
0
answers
31
views
Reassemble RAID10 after install
My system drive broke so I have lost the software RAID10 I had.
Is there any way to reassemble the RAID10 when I have installed a new system?
I ran Ubuntu server 17.10.1, aiming to do the same again.
2
votes
2
answers
5k
views
ZFS RAID 10 pool with mixed disks size
I have 4 disks: 2x2TB and 2x1TB.
All of the same RPM 7200 and manufacturer. OS is Ubuntu 16.04.
I want to make a RAID 10 pool, but I've heard that mixing disks size is not a good approach to ZFS - ...
2
votes
1
answer
4k
views
How to increase storage space in a RAID 10?
So Lets say that I have a server running on 4 hard drives... We have them in a RAID 10 setup and they are all 600GB. Now I take one of them out, then swap it physically with a 1.2TB HDD. In this ...
0
votes
1
answer
2k
views
My RAID 10 Array has corrupted, how do I get back my data?
I have a server with 4 drives in a RAID 10 array. Recently my server was down with the Array not detecting the drives.
Only a single drive is currently being seen by the RAID card while a second ...
0
votes
1
answer
618
views
On an HP proliant DL380 G9 with P840 RAID10 vs mdadm RAID10
On an HP proliant DL380 g9 with smartarray P840, I have a ubuntu 17.04 vm acting as an ownCloud server. Does it make difference if I use a HW RAID10 instead of mdadm RAID10? Is there any data that ...
0
votes
1
answer
641
views
difference between SSD RAID10 and number of SATA3 RAID 10
I want to order a dedicated server, Its a powerful server using 2 x CPU and 128 GB RAM
I can choose between 2 following combination for Hard Disk:
4 x SSD 480GB (Raid 10)
12 x SATA3 3TB (Raid 10)
...