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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1answer
88 views

Can a RAID card be used just to connect an optical drive?

This is one of those daft "I bought some used equipment on eBay' type questions. I have an IBM xServer with a SCSI RAID running CentOS 6 and I bought this 3Ware 9500 SATA RAID card thinking I could ...
0
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1answer
125 views

HP ML360 G6 server won't boot after swapping system disk

I am hoping for some help since I am completely out of ideas how to solve this! I have a ML360 G6 server with a smartarray p410 controller. All disks conifured in 4 separate arrays in raid 0 (I know, ...
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0answers
29 views

M5015 Disk controller - Replace failed disk used working disk

I have an IBM X3200 M3 machine with a M5015 SATA Disk controller (RAID 5). One of the disks has failed ie orange light flashing on the disk. I intend to replace the damaged disk with a used disk of ...
0
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1answer
283 views

How do I clone a single drive onto a new RAID 1 array?

Here's a little background on the situation at hand. I have a DELL Precision T7600 at work that I'm responsible for maintaining, which just lost a hard-drive, thankfully just the /home directory was ...
0
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1answer
54 views

Why does linux automatically start a hardware RAID1 resync, on two new and blank disks and how do I stop it?

I've looked at similar posts about software RAID, but this is a hardware RAID question, and googling did not turn up anything so I turn to you guys. I understand that hardware RAID has a single-point ...
0
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1answer
569 views

How is LSI FastPath different from Software RAID?

This question pertains to SSDs on RAID levels without parity (like RAID 0, 1, 10). The recommended settings for FastPath are to set the Write Policy to Write Through, Read Policy to No Read Ahead and ...
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0answers
235 views

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 ...
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0answers
130 views

How to reset Areca RAID card built-in SAS expander password?

I just bought used ARC-1882IX-12 card but the seller forgot password to the SAS expander. The web management worked well with default "0000" password. How to reset it ?
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1answer
27 views

Are there any two-bay hardware bit/block level replication devices (perhaps RAID-1)? [closed]

Here's what I'm hoping to do: Have two drives in a hardware bay that can be pulled from the front without dissassembly Read and write to it as a single (NTFS) disk Be able to pull either drive and ...
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0answers
228 views

Raid 10 and Stripe size LSI Megaraid

I recently set up a RAID 10 volume on a server with an 12x6TB disk array and a LSI Megaraid controller. As I put it into production I realised that something wasn't quite as it should be, as the ...
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1answer
139 views

Perc H710 claims battery is faulty or discharged — twice

Bought a Perc H710 without battery for a Dell T420. Installed it, cabled it, etc. It's been running great for months. I later bought a backup battery (model #70K80) from a reasonably reputable ...
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1answer
14 views

Attaching new drives to raid adapter

I'm new to raid configurations, did only software raids until now. There is a server with a raid adapter that can have 4 drives attached to it. Currently it has 2 hdd, each with 1 TB. From the OS (...
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0answers
17 views

Resetting a raid 5 array on an hpproliont ml350 g6 server or find the original drive order

The data on the array is not important I just need the array back online I took out the drives and didn't order them correctly I'm an idiot I know is their a way to eat her reset the pattern or dins ...
2
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2answers
7k views

Install CentOS 7 on HP dl120 gen9 server with b140i raid controller

I'm trying to install CentOS 7 on a HP DL120 gen 9 server with a b140i controller. I have 4 1TB HDD setup in a raid 1+0 and the CentOS installer doesn't seem to recognize the logical drive created ...
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0answers
45 views

Adaptec Raid 5405

I am having an issue with my Adaptec RAID card on my dedicated server, my server wasn't behaving so rebooted only to get this message: Fatal error: Controller monitor failed. Controller not started ...
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0answers
61 views

Install RocketRaid 644L Raid Controller driver on Ubuntu

I bought a RocketRaid 644L and get stuck at driver installation. uname -a Linux hb38-backup 3.2.0-41.generic #66-Ubuntu x86_64 GNU/Linux lsb_release Description: Ubuntu 12.04.2 lspci RAID bus ...
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5answers
524 views

Can I detect hardware RAID infromation from inside Linux?

When I'm inside of Linux, I can get the following information from lsblk (irrelevant drives removed from output): NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 298G 0 disk sdb 8:...
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0answers
96 views

IBM MegaRAID Storage Manager, Build RAID1 from existing disk

Recently my RAID Controller went FUBARBUNDY and decided to drop my RAID1. The server would not boot since then. According IBM support expert, rebuilding that RAID array would wipe data on both disks. ...
0
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1answer
127 views

Intel RAID controller cannot open BIOS and doesn't recognize hard drives

I recently bought a second-hand Intel RAID controller (SRCSASLS4I) for my Ubuntu server setup (YunoHost actually). I connected 3 hard drives that had previously been used for a software RAID (I did ...
0
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1answer
32 views

RAID 5 - disk rebuild and strip data

we have a raid 5 with 12 ssds plus 2 spares and one came to fail, now one of two of spares is active and a rebuild is happening: in raid 5 data is striped in all disks or it is stored in each disk ...
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1answer
110 views

Safe and beneficial to enable HD disk cache for disks in RAID, or not?

Dell Perc RAID cards (among others) allow you to set the disk cache policy to be either on (meaning, the individual hard disks use their built-in caches) or off (meaning, the individual disk caches ...
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0answers
70 views

driver installation failed on Oracle Linux7.1 :“no ios files found on sda1”

Hardware-RAID installation failed. I have similar problem for this. How to load hpvsa.ko (RAID controller B120i) module in Centos 7.1, (seems no longer supported)? But a little different. ...
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3answers
697 views

What is recommended size of hard disk for a Server?

I have heard that large hardisk >= 1TB are not recommended on the server because they can cause synching issues if one fails + their chances of failure is greater over a longer period of time as the ...
0
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1answer
294 views

Raid 50 on Dell Perc H700 Integrated Resynching state

I have Raid 50 configured on a Xenserver host with a Perc H700 card and a few weeks ago, replaced a disk which had failed. The raid had rebuilt and I am now checking the status of the array via ...
1
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1answer
41 views

Lost Partition on x3650

I have a RAID6 array with 1 logical drive. 3.7TB. The partition has been lost. I've tried several program to recover the partition. The most promising of the bunch was MiniTool Partition Wizard. It ...
2
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1answer
161 views

Replacing a Self encrypting Hard Drive in an IBM xseries server raid

I have a failed drive in a RAID 5 array in an IBM x3650, Machine Type 7945. The RAID is composed entirely of original IBM SED SAS drives, 300GB ea. Unfortunately I am the purchasing Tech, not the ...
3
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1answer
49 views

load balancing in multiple hardware raid arrays - soft raid 0 acceptable?

We have a central storage server (PowerEdge R720) serving shared files to an HPC cluster, and it has two hardware RAID controllers attached (PERC H810, each driving 2 MD1200 enclosures filled with ...
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2answers
2k views

Adding New Drives to Dell R720 in RAID 1 Configuration w/ Dell Lifecycle Controller

I have a Dell R720 with two 136GB drives set up on an existing virtual disc running RAID 1. I've run out of room, purchased two additional 600GB SAS 15K drives I'd like to set up for RAID 1 also to be ...
1
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3answers
118 views

How can I enable caching on the RAID card or Hard Disk(s)

I've got a HP ML350 G5 server running 6 disks as two RAID-5 configurations. This server has been notifying me of an empty battery on the E200i card. This seems to result in disabled cache: read and ...
1
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1answer
87 views

3rd party HDDs in Dell Poweredge r805

I have a Dell Poweregde R805 Server that came with two 147GB 10K SAS drives. To stack up the storage on this machine, i purchased two SATA drives (HGST Travelstar Z7K500, 500GB, 7200RPM, SATA III). ...
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2answers
58 views

Converting from RAID 1 to RAID 0

We have 2 x 600GB SAS 15K drives configured in RAID 1 through a PERC H710 RAID controller in a PowerEdge R620. Question. Can we convert this to RAID 0 without having need for a OS reinstall? If so, ...
0
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1answer
67 views

PCI RAID Controller Card bandwith for a RAID1 array of SATA III drives

I want to build a hardware RAID1 setup with two HDDs (SATA3, 7200, 64MB cache) and I'm looking at two, almost the same, Adaptec cards (6405E vs 6805E) The 6405E is PCI-E 2.0 x1 while the 6805E is ...
1
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0answers
91 views

Stress Test Hard Drive attached to a LSI controller on Hyper-V

I have a LSI 9265-8i controller running on Hyper-V. How can I stress-test the hard disks in-situ? I'd like to test things like iOPS, seek times etc.
5
votes
1answer
114 views

Can I stripe 2 volumes on the operating system drive?

I'm new to system administration and I'm not really sure if this is possible. Our server supports up to 4 x 2 TB drives. We need a drive larger than 2TB for a particular use. We also need redundancy ...
0
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0answers
279 views

LSI Raid controller: identifying failing hard disk (MegaCLI)

Info: I have a LSI 9265-8i controller. It's been running pretty well for two years. More recently it looks like a drive may be failing - no errors reported and no media issues reported when viewing "...
2
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1answer
110 views

Are RAID 5 systems suitable for larger disk sizes?

Why is it generally considered that RAID 5 systems are not suitable for larger disk sizes? Is the same true for RAID 6?
2
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1answer
460 views

HP 420i disk controller in Gen8 ProLiant fails to detect third-party disks

I have some fresh out of the box HP Proliant Generation 8 servers which have the HP 420i disk controllers built into the motherboard. Once upon a time the disk controller was a PCI card but now in Gen ...
2
votes
1answer
374 views

Rotate entire disk set in RAID0 array?

We have a Lenovo RD430 with a RAID 500 controller. Installed in the server are 6x 4TB drives configured as 2x RAID0 arrays of 3x 4TB each, however, we also have another 3x identical 4TB drives and ...
1
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2answers
92 views

What is RAID 5 write logic with 8 drives running SQL 2008?

We recently had a raid array fail on a SQL 2008 server with 8 x 73GB drives. (Dell 2950). There were two drives that went bad (one had been bad for a few months it seems and was not caught...). To ...
0
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1answer
51 views

Data recover hardware raid vs zfs pool

How does one recover data after disk failure in zfs software raid or Synology hw raid? Is it easier , less corruption in one or other ? Is one more susceptible to write corruptions than other ?
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1answer
640 views

Ubuntu Server 14.04 TLS plus Hardware RAID

I have just completed hadrware installation of my new RAID server which will run with Ubuntu Server OS. I have installed Ubuntu Server OS and everything run seemingly without problems. However, I ...
0
votes
1answer
1k views

What are the Pros & Cons of Software RAID vs Hardware RAID of 4xSSD(512Gig) in RAID10?

I'm getting this server: Supermicro SuperServer 6018R-TDW It comes with this motherboard: Supermicro X10DDW-i I've decided going with 4xSSD(512Gb) in a RAID10. My server is busy with a demanding ...
2
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3answers
4k views

What are the pros & cons of 4xSSD(512Gig) in a RAID10 vs. 2xSSD(1Tb) no RAID?

Lots of read and write operations that my current setup of 4xSAS15k drives in RAID10 is having made me think of a new fast storage. My server is busy with a demanding database, lots of pages, php ...
0
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2answers
554 views

R610 PERC 6iR - Incompatible with SATA

I purchased a couple R610 servers which has been a constant source of frustration lately. I got a heck of a deal on them with a single 2.93 Ghz processor and 96GB RAM, so I cannibalized one and got a ...
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2answers
715 views

Is it possible to use Dell PERC H710 on a Dell R710/R610 server?

Dell ships R710 with older RAID card H700 which has LSI 2108 chip and ships R720 with H710 card which has LSI 2208 chip. LSI 2208 is much better with SSDs in terms of performance. I was wondering if ...
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1answer
58 views

How can I debug a “missing” hp raid card?

I have a DL380G6 running great with a P800 and P410i, but I wanted to upgrade the P800 to a P812. I now have both controllers plugged in. In the BIOS I have the option of selecting the 410i or the 800 ...
3
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2answers
744 views

Should I be concerned by frequent RAID warning message (unexpected sense - command aborted)?

I have a Fujitsu host (PRIMERGY RX300 S6) running Windows Server 2008 R2 and Hyper-V (Version 6.1) with two virtual servers (one Windows Server 2008 R2 and one Windows Server 2012). Our 25 employees ...
0
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3answers
4k views

How to monitor and rebuild hardware RAID in ESXi?

I'm currently putting together some ideas for a new VMHost using ESXi with RAID 5 to replace 3 aging ESXi hosts that have no RAID. However I can't seem to find any good info explaining how to monitor ...
18
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6answers
1k views

Should I 'run in' one disk of a new RAID 1 pair to decrease the chance of a similar failure time?

I'm setting up a RAID1 array of two new 4TB hard drives. I heard somewhere previously, that making a RAID1 array of new identical hard drives bought at the same time, increased the chance that they ...
1
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1answer
348 views

HW Raid controller error

On one of my old servers when i was randomly checking for system messages /var/log/messages in this Redhat case. I came across this message Mar 9 12:11:46 app-prod kernel: 3w-9xxx: scsi0: ERROR: (...