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Questions tagged [raid10]

RAID 10 is a combination of RAID 1 and RAID 0. RAID 10 can also be referred as RAID 1+0

Minimum disks needed for RAID 10 is 4.

When using RAID 10, 2 RAID 1 volumes are created and then these 2 volumes are put in RAID 0 mode.

Do not confuse this with RAID 01, which creates 2 RAID 0 volumes and then mirrors them. RAID10 layout

Linux MD RAID10 is a non-standard level that can permits setting up unusual layouts beyond what is possible with the standard RAID10. MD RAID10 requires a minimum of only two drives.

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Software RAID, LVM, and Encryption Setup Questions

I have 4 hard drives, each with two partitions on them 10.1GB for swap and 990.1GB for the rest. I took this and set up two MD devices with RAID10, one for the set of 4 swap partitions and one for the set of 4 other partitions. I set the 20.2GB…
user29600
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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 of privacy for a drive that came from a RAID1…
Robert Rolnik
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Which is the best RAID between RAID 10 and 0+1?

Could anyone tell me which RAID would be the best between 10 and 01, and why? Thanks for your help. EDIT: I didt't want to know what's the best RAID ever... Otherwise I'd ask: "Why is NetApp RAID-DP so much better than EMC's RAID-6??". My question…
waszkiewicz
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Implementation of a fully-redundant, high-available iscsi SAN (consisting of n machines) in conjunction with clustered filesystem

a short example of how the infrastructure may look like: 4 servers act as iscsi targets and expose 1x2TB each (every of those servers has a raid10 for the storage, thus 2TB of usable capacity) n servers that need to have an 8 TB (consisting of the…
Patrick
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What technically happpens during a RAID-10 initialization?

I am currently doing a foreground RAID-10 initialization for 10x20TB drives. I was curious what else happens, other than just zero-ing out the drives? It must be doing something more than this, otherwise it wouldn't take a week to initialize. This…
Dan
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RAID Recommendation Request: 2x RAID5 arrays, 1 Large RAID5, RAID10?

I just ordered a new PowerEdge R650 which will be the primary server for our company. It will run HyperV with 10 - 12 virtuals on it, mostly Windows but some Ubuntu. All the standards: domain controller, file server, web server, Exchange (hybrid so…
ADY
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Upgrading Server Storage (Single 4TB SSD, Ubuntu Server)

I am renting a server from a small company. It's a Supermicro SYS-6017R-NTF running Ubuntu Server 18.04. I am using the server to serve a website that runs on top of a 3TB database. This database is the backbone of the website, and it is constantly…
inersha
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fsck raid10 ext4 partition currupted, restore data

there is a volume in raid10 /dev/md3 it has a GPT partition /dev/md3p1 in ext4 with a size of 16TB. I accidentally ran fsck -y /dev/md3 causing the filesystem in /dev/md3p1 to get corrupted. fsck -b superblock_number /dev/md3p1 with any superblock…
user607743
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HP ProLiant ML110 G7 Difficulty Loading OpenSUSE Leap

I am having a problem with the HP Proliant ML110 G7. I am trying to load OPenSUSE Leap. I go through the whole installation. It is supposed to detect and load all drivers required. The ML100 G7 has a SmartRAID B110i controller card. 32GB…
Paco
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Adding disks to existing RAID array

We want to increase disk space of one of our server. Currently it has 8 physical disks(4 x 480 GB, 4 x 1.9 TB) and 3 virtual disks(RAID 1 (2 x 480GB), RAID 1 (2 x 480 GB), RAID 10(4 x 1.9TB)). We want to increase disk space on virtual disk 3 which…
Ketan
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How to recover from drive failure on lvm software raid 10 in Linux?

Below is how I created lvm software raid10. Create Physical Volumes pvcreate /dev/nvme0n1 /dev/nvme1n1 /dev/nvme2n1 /dev/nvme3n1 Create Volume Group vgcreate my_vol_grp /dev/nvme0n1 /dev/nvme1n1 /dev/nvme2n1 /dev/nvme3n1 Create a logical volume…
fcukinyahoo
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Marvell 9230 - RAID 10 3 disks suddenly appear as unconfigured

I was rebooting my NAS running Open Media Vault, and noticed that the RAID controller (Marvell 9230) reported degraded RAID operation since one disk wasn't found. I shut down the box to investigate. I figured out that the first drive accidentally…
Dennis Mortensgaard
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Persistent multiple medium errors on LSI RAID array

One of our SuperMicro servers with an onboard LSI 2308 RAID controller has been having issues with our main RAID10 array consisting of 4 Seagate 600 PRO SSD drives (in slots 0,1,2,3). It started with a consistency check that resulted in a large…
vdyvp
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Extending RAID 10 on MegaRAID

So I had a few servers with 8 drives configured in RAID 10. Four pairs of two drives in the RAID1 level. One of the drives went bad and the RAID controller removed one pair from the set, so it now only contains 6 drives and but it's marked as…
Lukáš Lalinský
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RAID 10 with SSDs on LSI 9260-8i has bad performance

I am trying to get a raid 10 running with LSI 9260-8i (IBM M5015) and 4 x Samsung 850 Pro 512GB SSDs. The problem is, that the resulting sequential write performance is really bad (< 100MB/s). With raid 0, it is > 800 MB/s. My system is a Dell…
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