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Questions tagged [raid]

RAID, an acronym originally for Redundant Array of Inexpensive Disks (today usually interpreted as referred to as Redundant Array of Independent Disks), is a technology that provides increased storage performance and reliability through redundancy by spreading data across multiple disks using ...

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9 views

Can't read superblock on raid 5 array when trying to mount

After a power outage I'm having problems mounting my raid 5 array. I identified one drive that seem to be show errors in smartctl and removed that drive (I plan to replace this drive at a later date)....
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1answer
25 views

When you format a RAID array using mdadm do you lose all data on the primary hard drive?

I'm trying to create a software RAID array using my computer, which has 200 GB free space, a 1 TB USB external hard drive, and a 2 TB USB external hard drive using mdadm. These directions instruct ...
0
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1answer
12 views

Dell Perc 6i - Move cable to other port, keep Virtual Drive?

Quick question. I have a Dell Perc 6i RAID controller and need to move the port cable from A to B (cable length issues). Can I just move the connector over and keep the RAID? Or will I have to ...
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1answer
30 views

Change data from one logical drive to another

I have a Fujitsu rx200S8 that has 2x500GB drives in a raid 0 configuration. I added 2x1TB new disks and created another raid 0. How can I migrate the data from the old disks to the new ones without ...
9
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1answer
171 views

HP Smart Array P410: Convert RAID10 to RAID1 OR remove disks from RAID10

I have a server with two RAID10 arrays of 146GB disks. I'm trying to replace one RAID10 array of 146GB disks with RAID1 of two 2TB disks. Since there are no free ports, I took out two disks from the ...
3
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1answer
171 views

Dell R710 RAID1 with SATA drives

I've slightly messed up with the purchase of a 2nd hand server (Dell R710) and need a little assistance. I had (wrongly) assumed that the server had RAID controller but it hasn't, so I need some help ...
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1answer
106 views

HpCISSs2 + \Device\Raidport0 issue

For some time in my HP DL380 G8 I have struggling with the problem with HpCISSs2 which is provider of \Device\Raidport0 was issued problem. In event logs this problem occurs many times per day. ...
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4answers
2k views

Low-end hardware RAID vs Software RAID [closed]

I want to build a low-end 6TB RAID 1 archive, on an old pc. MB: Intel d2500hn 64bit CPU: Intel Atom D2500 RAM: 4GB DDR3 533 MHz PSU: Chinese 500W NO GPU 1x Ethernet 1Gbps 2x SATA2 ports 1x PCI port ...
0
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1answer
28 views

highpoint rr640l raid 5 status disable, having difficulty with recover

I have been using a Highpoint RR640L controller (at BIOS version 1.5) for a couple years or more on my primary system. The RAID-5 volume contains 4 disks, 2TB each. This week, one of the disks ...
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0answers
17 views

Can You Mix and Match Between RAID Controller Connected Hard Drives and Hard Drives Connected to Motherboard via Standard SATA Cables?

Can You Mix and Match Between RAID Controller Connected Hard Drives and Hard Drives Connected to Motherboard via Standard SATA Cables? i.e. 1x Hardware RAID Controller / HBA Card, connecting to 4 ...
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3answers
43 views

Difference between software and hardware RAID 10 if the server suddenly shut down

today I have a question that I can not answer. Our servers are dual power and battery. The operating system never crashes. (thanks linux) Now, I wonder what happens if the server suddenly shuts down?...
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0answers
25 views

How to setup bootable RAID 0 on remote server

I have a remote server with 2 identical 500Gb SSD, sda and sdb. A rescue mode is also available from the cloud provider's interface. How to get Debian installed on a bootable RAID 0? I understand I ...
0
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1answer
16 views

Dell H200 RAID controller + SATA drives

I've bought a H200 hardware RAID controller to go into a Poweredge R210. I've got two 2TB SATA drives to setup as a RAID1 array. The question I have is: Do I need to connect the SATA drives to the ...
0
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2answers
90 views

Why does dd make the host unresponsive?

As root I yesterday did dd if=/dev/zero of=/var/lib/libvirt/images/dat.img bs=1G count=1000 and for many hours it made the server completely unresponsive. The raid controller is an HP P410 with 4 ...
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0answers
12 views

Removing failed Raid0 volume from CentOSv6 boot sequence

I need help. To date the majority of my Linux 'software RAID' use has been done via the Graphical Installer. Now, one of the drives comprising my RAID-0 volume has failed and at boot, the system ...
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0answers
14 views

Optimal boot configuration for old server?

I have an old Dell R710 that I'm going to be putting Ubuntu 18.04 on since ESXi 5.5 is out of support. The server has a RAID 5 configuration for it's onboard storage, and currently it boots from the ...
0
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1answer
45 views

Unalloacte space on RAID1 over LVM

I ran into situation where i resized vg and pv under raid1 and also md0 itself, but gparted still se whole disk as locked, i cant use free space i made to build new RAID partition, not sure why. My ...
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0answers
52 views

Installing Ubuntu 18.04 VM with Raid1 on ISCSI Server

I'm trying to create a VM (Both Guest and Host are Ubuntu Server 18.04) that uses 2 ISCSI Targets as a RAID 1 for the operating system. The goal is to have 2 Different ISCSI Servers that each hold 1 ...
4
votes
1answer
115 views

Poor write performance of software RAID10 array of 8 SSD drives

I have server with Supermicro X10DRW-i motherboard and RAID10 array of 8 KINGSTON SKC400S SSDs; OS is CentOS 6 # cat /proc/mdstat Personalities : [raid10] [raid1] md2 : active raid10 sdj3[9](S) ...
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2answers
18 views

Information needed on availability of RAID controllers that have hardware encryption capability

I am somewhat familiar with the RAID controller card offerings in Dell servers, such as PERC H730P in their PowerEdge servers. And also some of the LSI 9xxx series RAID controller cards, that allows ...
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2answers
50 views

What are the pitfalls of having an “unbalanced” RAID1?

Context: I have a server with two 3TB NAS drives in a RAID1 (Linux dmraid) and I am looking to double storage capacity, but I only have one free drive bay. I could purchase two 6TB drives, but I had ...
3
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1answer
30 views

Windows Server 2016 Any way to see current raid 5 setup status?

Im very impatient. I want to see some sort of percentage for a new raid 5 setup i started a hour or so ago. Is this possible? im not finding anything on it. I would like to watch it, like paint drying....
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1answer
42 views

Will exchanging a disk between two Dell Powervault MD1000s lead to data loss?

I have 2 servers, each with a Dell Powervault MD1000. I would like to take one disk from the first Powervault and relocate it to the second Powervault. When I reboot the server, enter the perc ...
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0answers
30 views

Ubuntu installation attempt wipes out the RAID configuration on Intel Server Board S5000VSA

I have an Intel Server Board S5000VSA and I'm trying to set up a hardware RAID 1 with two 2Tb HDDs and install Ubuntu server 18.04.1. I've managed to configure the RAID and have initialized logical ...
0
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1answer
23 views

Increase hardware RAID1 volume size

We are working with an IBM server and a SAS1064ET hardware RAID controller. We used two 73.4 GB 10k SAS HDDs with RAID1. As we wanted to upgrade the storage, we replaced one after another with a 600GB ...
0
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1answer
43 views

RAID 5 Physical Disk shows Foreign status on Dell OpenManage

I have a DELL PowerEdge 2950 Server which has 6 Physical Hard Disks. First 4 HDD are configured as RAID-5, and the rest two are configured as RAID-1. From last week, third hard disk of RAID-5 shows ...
2
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1answer
32 views

HP P440AR raid controller on G8 server

I've just bought a HP DL360 gen8 server with sata controller. I will change it with a SAS controller. But, i still have a little budget for it, and I am wondering if it supports the HP P440AR raid ...
0
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1answer
56 views

if motherboard fails, SSD on Raid array can be used in another

I have two Servers of different motherboard but same CPU architecture and lithography. I have setup raid 1 in both Server with 2 SSDs in each. Server 2 is for backup and snapshot purpose. If server ...
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1answer
90 views

Rebuilding Raid array

Hello I want to rebuild my raid array and I found a page in the redhat documentation that says how to do this, but it doesn't seem to make sense. Here's a link to the documentation The part I'm ...
2
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1answer
46 views

Why is one drive running at 3.0gb/s?

I have a server where I will be updating the Adaptec RAID controllers firmware and drivers soon, and so I was arcconf to check a few things. The four disks are all the same model configured as a ...
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2answers
73 views

what is the difference between a sas controller and a sas raid controller?

What is the difference between a sas controller and a sas raid controller? Are they the same thing, just named differently, or is the SAS Controller purely a connection point with no RAID capabilities ...
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0answers
46 views

RAID 5 to 2x RAID 1

Is it possible to convert RAID 5 to 2x RAID 1 without any data loss? Example: 3x 1TB HD in RAID 5 + 1x 1TB like Hot Spare convert to 2x 1TB RAID 1 + 2x 1TB RAID 1
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1answer
39 views

HP G8 server and disks [closed]

I'm looking to get an HP G8 server to create a ZFS based file server solution. One of the things that I read is that starting with G8, HP Changed their caddies, and it now performs disks check to ...
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2answers
51 views

HP DL360e G8 with P410I

Can I use a P410i RAID Controller in the HP DL360 "e" version G8 server? I currently have several G7 boxes with 410i's in them, working fine. I see listed in the QuickSpecs for the DL360"e" versions ...
0
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0answers
22 views

Can't boot on Ubuntu Server with RAID1 on hp-Proliant N54L

I've been struggling for some hours to install Ubuntu server with Raid1 on a N54L server. When asked where to install grub I chose the disk with the /boot partition. Boot fails with: "error: disk ...
0
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2answers
27 views

Reading hardware-raided disks with software raid

I have a computer with 2 disks on it in RAID 0. Unfortunately this PC just died yesterday and I need to get a VM out of the disk to transplant it in another computer, but I'm not sure if the raid ...
0
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0answers
100 views

Windows Server 2016 on IBM System x3200 M3 missing drivers during install

I'm trying to set up an old surplus server in my home to work as a NAS. I have it configured in the UEFI with 4 HDDs working in RAID 1. I have a 5th hard drive I had lying around, so I threw it in ...
1
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1answer
49 views

MegaCLI RAID1 - Can't Replace Missing Disk

I have a RAID1 where I've replaced a disk with errors, however it will not automatically or allow me to manually replace the "missing" disk with the new one. Here are the physical disks per my ...
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1answer
23 views

HP RAID-0 expand on DL180G6 [closed]

There's HP DL180G6 Server with HP Smart Array P410 controller. Server running MySQL on Debian Linux with ext4 fs. HPACUCLI utilities (ACU CLI Version: 9.40.12.0) are installed. There's 4 HDD Seagate ...
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1answer
49 views

Migrate RAID 6 drives from LSI 3ware 9690SA-8I to LSI Megaraid 9271-8i

I have an older system using an LSI (now Broadcom) 9690SA-8I, on a motherboard that's failing, can't have more RAM and is inadequate. I thought I was so cool getting a new AMD Threadripper system ... ...
0
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0answers
75 views

Attach SATA SSD to HP DL360 G7

Recently I bought a Samsung SATA SSD and I attached it to the server (HP DL360 G7), As I want to use this drive as a single drive (Not Raid) So I configured the server for Raid 0, But I don't get full ...
1
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0answers
39 views

Saving a 3ware RAID configuration for later use?

I have a 3ware-based (using tw_cli) 24-bay array filled with 2 TB hard drives, used for backup. The plan is to upgrade them to substantially larger drives, but I would like to remove the 2 TB drives ...
0
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0answers
53 views

Drive keeps on being unassigned after reboot - B120i Raid Controller

I own a HP DL320e G8 Server. I've disconnected my disc drive, and instead have opted in to install a SSD instead. The SSD is recognised by the system, under the B120i Embedded Raid Controller. I ...
0
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0answers
69 views

Dell PowerEdge RAID controller: Configuration of NVRAM and drives mismatch(Normal mismatch)

The question is what is the reason of this problem and how can i solve it without losing data on disk When server boots the following messages appears: bios of raid controller configuration of disk
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2answers
84 views

Accidental SAS cable removal

We accidentally removed a SAS cable from an active AVAGO MegaRAID controller during a troubleshooting session. After we reconnected the SAS cable, all disks in the RAID6 disk array are reported as Frn-...
0
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0answers
66 views

Hard Disc Failure or RAID Glitch

I am trying to determine if a my hard drive is actually bad or if there was just an unexpected error with the RAID Card. In other words, should I reset the drive and make it a global hot swap or ...
0
votes
1answer
31 views

Raid 5 failure on P400i Controller

I was hoping for some help. My server won't boot up into Windows and I get the following errors: 1794-Slot 0 Drive Array - Array Accelerator Battery Charge low Array Accelerator Posted-Write ...
0
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1answer
51 views

MySQL perf bad on SSD-based server. Small tables. MySQL config? RAID?

I have a couple of servers in an industrial setting (air-gapped network) that do some fairly light telemetry gathering. We generate about 10GB of telemetry history in ~30 days. All telemetry goes ...
4
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1answer
228 views

SSD IOPS on linux, DIRECT much faster than buffered, fio

I have a 30Tb-sized hardware RAID-6 system (LSI 9280-8e) of 10 DC-S4500 Intel SSDs that is used for database purposes. The OS Debian 7.11 with 3.2 kernel. The filesystem is XFS mounted with nobarrier ...
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1answer
33 views

How to pre-emptively repair/replace drive in linux md array without going degraded first?

I have (had, it's already been swapped out, asking this for future use) a drive that is indicating pending failure with internal SMART tests and bad block remaps. It is straightforward to mdadm --...