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Questions tagged [hardware-raid]

RAID solution with hardware assistance. RAID parity calculations can be performed by either the main CPU, or by a separate processor on the RAID controller card.

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What's the right RAID Controller for my Dell Server?

I don't quite understand the significance of differences between the various Dell RAID controllers for my scenario, it would be great if you guys could help me choosing the right one. I don't want to burn money by buying something for no reason, but…
AX1
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Can I keep the data on my Raid 1 drives if I move them to a new Raid controller?

I have a couple of servers I'm about to decommission and they each have 2 raid 1 drives. I want to take these drives and put them in a DAS but I am told that I will lose the data because the raid controllers will change. Is it true that even with…
XORRRRR
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Disk failed part way through 3ware RAID 5 rebuild

I have a 3ware 9650SE RAID controller with a RAID 5 array containing 15 Seagate ST31000340NS disks. After noticing ECC errors in the Port 10 drive I replaced it with a spare and began a RAID rebuild. Part way through the rebuild the Port 5 disk…
Dan
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Adding a disk to an existing RAID fails with "disk doesn't have enough capacity"

I have a very old physical server using many disks in a number of RAID6 group. Those disks are not in the same chassis, instead is a JBOD system connected through the RAID controller on this server. In one of the RAID group, I had a disk failed.…
Heelara
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Are affordable hardware raids with BBU still worth it?

We have done a lot of research and got conflicting answers from experts. What is your opinion on the following? 14 x 16 TB HDDs (Raid 10 -> 100 TB usable) HW: SGL 8405 + AEC-82885T + BBU (replacement kept in stock) 16 thread CPU & 256 GB ECC…
user2693017
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xfs: can't read superblock

I get the following error: [root@mediaserv ~]# mount /dev/mapper/media1 /media mount: /media: can't read superblock on /dev/mapper/media1. This is Fedora 33. I have a RAID5 of 8x 8TB WD Red drives running on an Adaptec 7805Q RAID controller, this…
Michael Wilkinson
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Getting a RAID controller to surface scan on a sane schedule

The controller I'm presently working with is quite old, the HP Smart Array P400; in part I want to know how to deal with that controller, but I'm also interested in the general perspective -- if there are other/newer controllers that handle this…
Kevin
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How to tell if a HDD in a RAID array has failed?

How do you tell if a HDD in a hardware mirrored RAID has failed? Im running Windows Server 2003.
Arcath
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Is it possible to show empty slots using StorCli?

I have been searching for a while but I couldn't find any way to show "empty/available/free" drive-slots connected to a LSI card using storcli. I don't even know if the hardware supports it. I appreciate any help. Thank you guys!
Ralequi
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SAS/RAID controller non-ecc ram

I have Adaptec 51245 controller (I know it is old but I got it for free) that I use in my server. As far as I know it is highly recommended to use ECC RAM as system memory, but what about RAID controller? It has 512MB DDR2 RAM. Should I turn it off?…
jojo
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Crucial MX500 new firmware rev M3CR032 causes RAID controller failures?

I've been using Crucial MX500 disks in Dell hardware for a while now (non-server class disk, I know, I know... we're cheap) with firmware M3CR023. But the latest batch arrives with revision M3CR032 -- this revision can be used in a RAID config (I'm…
s n
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ZFS on top of a bunch of Raid0 (1 disk) volumes with battery backed write-cache

I'm reinstalling a workstation (not a headless server) with an Intel RAID card with BBU and 4GB internal cache. My current setup uses ZFS on a pair of mechanical disks and a partition on an SSD for the ZIL. I want to keep using ZFS on 2 bigger…
julianjm
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RAID 10 Single drive is showing up as multiple drives in Windows Server 2016

I installed a Windows Server 2016 in a physical server with RAID 10 (LSI card), whose configuration is shown below: Even though the RAID configuration shows one 3.725 TB drive, this shows up as 2 disks in windows. I installed the operating system…
Miguel Mesquita Alfaiate
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Swap failing drive on ProLiant with P410

On an old HP SE316M1R2 (Same machine as the much more common ProLiant DL 160 G6) I have a 4x450GB Raid 5 array handled by the stock P410 Smart Array controller, fw ver. 8.40.30.00. Drives are genuine 10k SAS 450gb 2.5. One of the drives (Bay 1) is…
Marco
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What is a HP Smart Array P822 Transient Data Drive

We had a disk go bad on one of our HP servers. It is a RAID 60. We had 2 drives in the system that weren't assigned to an array yet. We rebooted went into the array and clicked the failed/BAD drive. We then selected "replace drive" (I think it was…
Kevin Vasko
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