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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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0xD1 on megasas2.sys with LSI-9240-8i during data transfer

I have an older Intel S3210SHLX motherboard with a HighPoint 2310 RAID card, running four 500GB drives in a RAID5 array. The OS is WHS2011, and everything is fine, except that I'm running out of room. My solution is four 4TB drives run through an…
Woodrow
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How to backup and restore with tar in a software raid 10 configuration?

I've successfully backed up and restored using tar with VPS that were not raided. Now I have a setup at my residence that requires raid, specifically raid-10. If I attempt to restore the tar it fails, first off extracting fails at /var/lib/lxcfs…
pl3bs
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Can a RAID 10 array be transferred from a Windows box to a Synology (or other) enclosure?

Currently I'm debating about whether I want to use a spare workstation running Windows 10 and turn that into the enclosure for a 4x6TB RAID 10 array since it has decent hardware specs or wait until there's room in the budget to purchase a dedicated…
Kurt Wagner
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What are the proper Readahead values for a RAID 10 array over 4 EBS PIOPS volumes?

tl;dr - What are the proper readahead values for the different EBS PIOPS volumes in a RAID 10 array ? What about the RAID 10 physical and logical volumes themselves ? What about the chunk size of the mdadm call and blocksize of the dd call? The…
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Raid 10 implemented on server. Need to know about its performance when one of the disk fails

Server will be implemented with raid 10 using two 4TB disks.Can anyone help me answering what will happen to the server if one of the disks fails will there be any interruptions on the server? Thanks in advance.
user5240221
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wrong # of devices in RAID set on Centos 6.7

I just set up one of our servers with Centos 6.7. It's a machine that hasn't been in use for at least a year. I had to set it up a couple of times but every time one of the problems was with the storage RAID on the machine. It's set up as RAID10 but…
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More available space than expected using btrfs RAID10?

I had just created a btrfs RAID10 array in my Ubuntu 14.04 box for the first time by using the command: mkfs.btrfs -d raid10 -m raid10 /dev/sda /dev/sdb /dev/sdc /dev/sdd My 4 hard drives are each 2TB drives. Under RAID10, I had expected to see…
feicipet
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Expanding Disk Space on PowerEdge R710

I want to expand the disk space on an R710 with a PERC H700 Integrated. It is currently configured with: 2 (3.5" SAS 6Gb/s 15000 RPM) drives in a RAID-1 For OS. 4 (3.5" SAS 6Gb/s 15000 RPM) drives in a RAID-10 For Data. How to achieve expanding…
Ozman
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HP Proliant DL360p Gen8 server faulty hard disk replacement

I had a faulty disk on my HP Proliant DL360p Gen8, which has p420i controller and Raid10, and spare replaced the faulty one automatically. OS is RedHat 6. I want to do hot swapping work to install new disk in the server. My question is that, what…
BenderBender
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Why are all drives dropping out of RAID when 1 fails? LSI9260-8i/IBM M5014

I've got an interesting problem I'm hoping you all can help me with. I have an IBM 5014 (the LSI 9260-8i equivalent) running two RAID10 virtual drives. The first is 4 WD RE4's, each 2TB, for a 4TB total drive - let's call this VD1. The other is 4 WD…
DouglasABaker
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How to add a harddisk back in raid10 array?

I have a harddisk that is out of raid array. I wanted to create the partition table on sda basesd on the sdb table and I issued this command: sfdisk -d /dev/sda | sfdisk /dev/sdb --force I know that the --force argument is bad here and the command…
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Plextor SSDs don't work reliably in HP DL380p Gen8 servers

We recently purchased a few HP 380p G8 servers to add some VM capacity, and decided to add a pool of SSDs to our standard build, to create a "fast" RAID 1+0 array for some of our VMs that have higher performance requirements. (e.g. log servers and…
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Adaptec 5405 doesn't rebuild the array for changed disks

I had a 4 disk RAID 10 configuration (as 2 logical arrays) on one of my servers and noticed that the server was down. When I reboot it, one the disks was missing. Talked with the datacenter and they have replaced the faulty disk because it was…
Tim
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Mdadm Raid10 - Files corrupt

I have a Raid10 array using software raid on 4*2-tb drives. My OS on this Raid array froze and when restarting my system via Ubuntu-CD i noticed the Raid array was gone. I assembled the raid array again using "sudo mdadm -A /dev/md2 /dev/sda3…
tafelplankje
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How many disks to use for eight channel RAID controller

I have a 3ware 8 channel SAS controller and a back plane extender (also 8 channel) which can take 16 drives. I will be creating a single RAID 10 volume. I know that adding more drives has positive effect on performance, but I'm not sure if adding…
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