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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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X58 RAID 10 - Am I forced to use Sata2?

I'm building a new dev computer. It will be running a few VMWare Worksation virtual machines. I was advised on Serverfault to use Raid10 for performance. Raid 10 uses 4 disks. I contacted my supplier who suggested a gigabyte X58A motherboard and 4…
Avi
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Multiple drives fail in Dell R730xd when partitioned

I have a used (new to me) Dell R730xd running 2 virtual disks. The first consists of 2x 600GB drives in RAID 1 and the second consists of 10x 6TB drives in RAID 10. The first virtual drive works fine and has no problems. The second one causes…
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HP SmartArray: how to extend a fully populated RAID1+0

I have a bunch of machines with HPE Smart Array P408i-a controllers and fully populated drive bays, and I was wondering if there is a way to extend the arrays without dissolving them and reinstalling everything. There is a single RAID1+0 from 4x2…
mbethke
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mdadm RAID10 disks layout

I've been trying to understand how disks are distributed in a mdadm RAID10, but i'm not completly sure. AFAIK, a native RAID10 is similar to RAID0+RAID1, i.e. data splitted in two chunks, each one write in different RAID1. Questions are: Using…
Roberto Iglesias
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Predictive failure for drive logged the same time every day

On a SuperMicro 1U Box with four drives in RAID 10 A week ago it threw the toys around with three critical errors Controller encountered a fatal error and was reset VD is now DEGRADED VD 0 Consistency Check failed on VD (at 04:19:21) It then…
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feedback on HDD speeds for a HP Proliant ML110 Gen10 server

I have a RAID 1+0 array in a HP Proliant ML110 Gen10 server with 4 x 7200RPM 2.5" 6Gbps SATA drives. The power management is set to Static High Performance Mode. I ran a CrystalDiskMark benchmark and here's what I got. The Hyper-V is running "on…
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RAID Controller -- SAS Expander -- SATA drives. What max throughput can be expected?

I am building fast recovery solution. And there is a stuck with the choosing of the RAID controller. I have a chain: 24 SATA SSD drives each performing at 4Gbit/s. Total write throughput is 96Gbit/s. SAS Expander Intel RES3TV360. 2x4 SAS IN. 7x4…
Mitchel
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Redundancy of Raid 10 with a hot spare?

Raid 10 has a 2N redundancy. What is the redundancy for Raid 10 with a hot spare? Am I correct in thinking it is 2N+1 redundancy?
Vincent
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HP server is replaced and RAID 10 started rebuilding

We've server HP Proliant DL360p Gen8 which was recently replaced with HP Proliant DL380p Gen8. Both have same P420i Raid controller. We setup RAID 10 on DL360p, 4x500GB where 1000 GB 1 Logical Drive. We simply inserted these 4 drives in DL380 in…
adeel
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Does Software RAID-1 Double The Writes Over The Controller/Interface?

Say I have two hard drives that max at 200 MBytes/sec writes per hard drive. Now let's say both drives are in a USB enclosure that maxes at 300 MBytes/sec writes for the entire enclosure. When setting up software RAID-1 (mirroring) of both drives…
Crash Override
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PERC 6/i Integrated RAID-0 from degraded and unconfigured RAID-10

A 4-drive RAID10 setup was made on a PERC 6/i Integrated card. One disk failed. While waiting for a disk replacement, the controller card died. Card was replaced, but unfortunately the foreign configurations were cleared by mistake, and so now the…
Patrice Levesque
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Why Megaraid-sas and mdadm Raid 1+0 = Raid 10 Slow actual read speeds?

One of raid cards were giving multibit ecc ram module failure , thats why I am moving 60TB of data from one server to another ... Getting 60-100 Mb/s read speeds 3 Megaraid sas raid1 s 8+8+6 x 10TB Disks and spanning them with raid 0 using mdadm…
Gediz GÜRSU
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Rebuild Linux Software Raid 10 Adding Replacement Disk

I have a CentOS 6.10 Server with 4 x 2TB Drives. One was failing (bad sectors and causing major disk IO bottlenecks). This is a headless server in a remote data center. Technician is going to replace the bad hard drive shortly. I figured out the bad…
Marc Pope
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RAID 50 vs RAID 10 for performance?

I have a server with 6 SSD's and a raid controller card that supports both RAID 10 and RAID 50 the plan is to use this as our Build server. It will be pulling in NPM Packages and many small code files, compiling and uploading artefacts. We currently…
Paul Smith
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Hardware Raid 1 vs Raid 10

What are the advantages/disadvantages of raid 1+0 vs raid 1 regarding the following: Recoverability. How easy is it to recover data from a raid 1+0 array if the raid array controller fails and you have to use a different manufactures controller (or…
maloo
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