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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0
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1answer
15 views

Red hat installation does not detect hard drive

I have an HP BL460C Gen 8 having real hardware RAID. I am trying to install Red Hat Enterprise x86_64 bit on an HP ProLiant (iLO 4) server with an Array of 2 hard drives configured as RAID1. The ...
0
votes
2answers
56 views

Dell RAID controller and 36TB storage [closed]

I've been back and forth with Dell about their RAID cards for a PowerEdge R710 server. So far half the customer service people who I spoke too said it would work, the other half said no. My question ...
0
votes
1answer
23 views

Hardware Raid6 - Which FS and mountoptions + basic questions

I've got a new system (Ubuntu 14.04 on an SSD), including 2*Megaraid 9271-8i controller+cachecade & BBU connected to the backplanes of the case. Each controller has 8 WD RED 3TB (4096 Physical ...
1
vote
1answer
25 views

LSI SAS BIOS Pred Fail

So, Today I installed 2 new drives in my server, and the LSI SAS BIOS is stating Pred Fail Yes. What could I do about this, and what does Pred Fail Yes Mean? We need the server for backups, and we ...
1
vote
1answer
17 views

Finding out which cciss disk is what /dev/sdX disk (smartmontools & cciss raid controller)

I have a HP server, which has a hardware RAID array (that mostly isn't being used for raiding, the disks are just passed through to the Linux OS). I have 6 SSD disks. 2 are riad mirrored together by ...
1
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0answers
24 views

RAID disk size is slightly more than 500

In my shop we have a number of Windows 7 machines from HP which have hardware RAID 1. Some of them have Hitachi HDS721050CLA662 disks rated at 500.1 GB. If I have to replace one of these disks due ...
0
votes
2answers
102 views

Replacing HP P410 with P420 and keeping the data

Would it be possible to replace HP P410 raid card with a HP P420 raid card while keeping the data? I've replaced P410 with P410 without any issues obviously. I believe they use the same software, so ...
0
votes
2answers
92 views

How to recover from raid 5 failure of 2 disks with tw_cli?

I have hardware raid 5 of 12 disks, 2 of them died and the data is not accessible anymore. I was told that even though 2 disks died, some of the data might be recoverable. My hosting provider replaced ...
2
votes
1answer
120 views

Install of H700 controller in dell R610

We have just brought a refurbished dell R610 2 X 6 Core X5650, 96G Ram, SAS 6ir Raid Controller, 2 X Fujitsu MBC2073RC 2.5-Inch 15K 73GB SAS Hard Drive. We are going to also be installing additional ...
0
votes
2answers
60 views

SW ZFS vs. HW RAID controller

I run a FreeBSD 10.1-RELEASE webserver, and I have 2 sata HDD on a HW RAID1 controller, but when I installed the OS, it won't do it on a ZFS filesystem (for mirroring as I intended to) but I was ...
1
vote
1answer
74 views

Does hardware RAID1 offer significant advantages to S/W RAID in a computer cluster that's highly redundant?

I'm about to set up a Linux cluster of 5 physical server nodes (more nodes to be added later, probably). the cluster will be managed by Proxmox (and yes, it works in software RAID) shared storage ...
1
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2answers
87 views

How does LSI MegaRAID actually lay out RAID10 sets?

I'm trying to set up a RAID10 set on an LSI MegaRAID controller. It is unclear to me how the RAID controller will actually lay out the RAID set on the physical drives. Part of the problem is that ...
3
votes
2answers
873 views

HP ProLiant MicroServer Gen 8 - Hard Drive Configuration?

I have a HP ProLiant MicroServer Gen 8 box. I installed a 4tb drive and created a simple array. The raid controller saw the entire drive. I then used IP 6.1 to install Windows Server 2012 Standard. IP ...
0
votes
1answer
50 views

How to check ESXi 5.0 LSI raid rebuild status

Product name: LSI SAS3041E Is it possible to check the status of the rebuild? At the moment I only see that the raid is rebuilding/syncing from the lsi_log script, /var/log/vmkernel.log and vSphere ...
-1
votes
1answer
58 views

LSI MegaRAID 9240-4i & RAID1 (mirroring) on ZFS filesystem

Exist any incompatibility between an existing virtual drive created on LSI MegaRAID 9240-4i SAS/SATA Controller with RAID1 and the ZFS filesystem? I tried to make mirror(2xSATA HDD 300Gb) on freebsd ...
0
votes
1answer
57 views

Compaq Smart Array 431 with 3.13 kernel

is there any way to use Compaq Smart Array 431 controller on 3.x kernel? I have 431 board with 4 disks, that are seen by the controller during POST, but I'm unable to communicate with it on Linux ...
1
vote
2answers
76 views

R610 SAS6 Raid 1 Not Recognizing Replacement Drive

I have a Dell R610 with a SAS 6 controller. There's 2 drives (slot 0 and 1) setup in a raid 1. The drive in slot 0 failed and was replaced. However when I installed it (slot 0), the SAS6 controller is ...
1
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1answer
51 views

connecting HP gen 5 SAS raid cage to a third party (3ware, LSI) controller?

I have a ML350 G5 that I'm thinking of repurposing to save money. I'm looking to install FreeNAS but it (ZFS) doesn't play nice with the HP e200i card that's part of the motherboard from what I've ...
2
votes
2answers
216 views

New RAID hdparm slow

I just got a HP DL180 G6 that has 25X 146GB 15K SAS drives, 36GB RAM, 2X 2.0GHz Xeon 1333Mhz FSB. For fun I configured them all in a single RAID 0 and installed Ubuntu on it to see how fast it could ...
0
votes
1answer
41 views

How do I connect 16 SATA-drives to one Adaptec ASR-6805 KIT? (2 SFF-8087 Internal Ports) [duplicate]

Kit includes only 2 cords SFF-8087 to 4xSATA... Sum is 8. I need 16. What should I do? No way to change the controller. But can buy additional cards or wires if needed. Please advise.
0
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0answers
22 views

I can't seem to get a drive to boot off my RAID controller after cloning it

I don't know if this is normal but here's what I'm doing. I have a LSI 9650SE-ML12 RAID card, and I was running 2 drives on it in raid 1. I used Paragon HDD Manager to create a VD back up of the ...
0
votes
1answer
85 views

Dell H700 SSDs and HDs in different RAID groups?

I am about to purchase a Dell R610 and use a H700 RAID controller. I was wanting to add 2 X SSD (480G) RAID 1, and 2 X HD (2TB) RAID 1. In reading over the manuals I saw: SSDs require the PERC 6/i or ...
3
votes
1answer
574 views

Trim support in Hardware RAID (Perc H700)

We are about to order a dell R610 with a H700. We were thinking of using 2 X Samsung 850 Pro 512Gb drives in RAID 1. The question is does the Perc H700 support TRIM in hardware RAID 1? The answers I ...
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votes
2answers
183 views

replacing 3 drives out of 8 in a server [closed]

We have a Dell R510 server running SQL 2008 R2 with 8 x 300GB drives running Raid 5. We (just noticed) we had three bad drives with blinking lights so we powered down the server and replaced them ...
1
vote
3answers
97 views

Would the data on the RAID Card Cache and Drive Cache be lost when a kernel panic happens?

Is a BBU necessary when you have A+B power? Would the data on the RAID Card Cache and Drive Cache be lost when a kernel panic happens and you are forced to do a cold reset?
3
votes
1answer
51 views

When does a Raid restore redundancy after a broken sector is flagged as defective?

What happens when I flag a sector on a hdd in a RAID setup as `defective (GLIST) ? Will the data be written to the replacement sector right away or does this depend on the actual setup/settings ...
0
votes
0answers
102 views

Sata RAID5 Orphan Drive

so today, one of our hadware RAID5-controllers (Sil3124 (r5), 4x 2TB) went into degraded / legacy mode without any notifications. Additionally, automatically rebuilding the raid-group failed: Event ...
4
votes
1answer
248 views

Partition alignment on MegaRAID RAID 1 with 4k sector (advanced format) drives

I want to setup RAID 1 (mirroring) on a LSI MegaRAID SAS 8708EM2 (1078 chipset) with 4k sector (advanced format) drives. To the best of my knowlegde the controller does not officially support 4k ...
6
votes
1answer
379 views

How do you connect more than 4 drives to a LSI 9361-4i MegaRAID controller?

I’m fairly new to proper hardware RAID having only used it in pre-built server machines before, but on the recommendation of some friends who work for datacentres I’ve bought an LSI 9361-4i MegaRAID ...
0
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0answers
70 views

omreport doesn't report faulty disk

I have a Redhat 4 running on a Dell Poweredge R310, with 2 1TB disks in RAID 0 (my OS sees it as a single big 2TB disk). One of the disks is starting to fail. I plan using the OMSA tools to monitor ...
3
votes
3answers
2k views

Samsung 840 Pro SSDs in a Dell R720

We have a MySQL database server running on an Dell PowerEdge R720 (PERC H710 Mini RAID controller) ( (Ubuntu 12.04). We're considering upgrading the 2 x 146GB 15k SAS drives to Samsung 840 Pro SSDs. ...
0
votes
0answers
95 views

2 x mSata Raid0 seems fine, Intel rapid storage doesn't show, reports error

I've searched but couldn't find anything related. I've got a MSI GT60 2oc, Win7 x64 laptop that supports a twin mSata raid0, which after a bunch of hijinks, inc replacing the twin mSata caddy, I seem ...
6
votes
1answer
545 views

Replace HP Smart Array E200i without losing data

I've got a Smart Array 200i which seems to have some bad slots (slot 3 and slot 5). It doesn't matter what HD I put in these slots, it keeps telling me the drive is bad. My question is two-fold: Is ...
0
votes
1answer
240 views

Mac Pro says RAID degraded but all drives showing green status

OSX 10.9 - RAID Utility says RAID array is degraded but all drives are showing green All started after error log Drive 3:5000c5004e189ddf missing - Previous drive status was inuse Now getting ...
0
votes
1answer
101 views

3ware raid controller does not get a proper reset signal after a reboot

I have a linux server that has a 3ware controller 9650SE-4LPML connected. Today, I migrated this server with all its disks and raid controller to a new motherboard + cpu + ram (gpu is also changed). ...
0
votes
2answers
106 views

1 x Raid card and 6 sata drive over 1 SFF-8087 port [closed]

I have a question regarding LSI00328 LSI MegaRAID SAS 9271-4i Can I connect 6x sata drives to -4i card or I need -8i version
1
vote
1answer
74 views

Extract data from server without causing high disk IO

My current diagnosis is that there is a hardware fault, either related to the memory of the hardware RAID controller or something related to the extra juice the hard drives requires when running on ...
0
votes
1answer
332 views

Bandwidth with SAS expanders and RAID controllers

Having a RAID controller that has eight internal SATA3 lanes, you can get 6 Gb/s on all eight drives. What if I connect a 24 port SAS expander to an eight port RAID controller, do I still get max ...
0
votes
1answer
32 views

Merge two sas card into one

I have one existing raid card (9240-8i)with 8 sas hdd, but i want to add 8 more hdd with another raid card (same model), but i wan to merge with existing raid and add it as expansion, can it be done? ...
0
votes
1answer
526 views

Windows Server 2012 and recognizing RAIDed SSDs as an SSD

Problem: Because defragmenting is detrimental to SSDs and decreases their performance/lifespan, its important that modern OS's use TRIM instead of defragmentation. If an SSD is incorrectly recognized ...
4
votes
3answers
2k views

What is the difference between a HBA card and a RAID card?

I thought I knew the difference between HBA and RAID. In my mind, HBA is offloading from the main motherboard/CPU and is simply JBOD... usually has an external SAS ports, whilst a RAID card does the ...
0
votes
2answers
104 views

Wiping hard drives in an IBM DS3512

I have an IBM DS3512 RAID storage device, which I'm planning to sell. How would I reliably wipe my data off of all the hard drives? As far as I can tell, it abstracts away all direct access to the ...
18
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8answers
11k views

RAID-5: Two disks failed simultaneously?

We have a Dell PowerEdge T410 server running CentOS, with a RAID-5 array containing 5 Seagate Barracuda 3 TB SATA disks. Yesterday the system crashed (I don't know how exactly and I don't have any ...
0
votes
2answers
861 views

How to monitor RAID1 system with Dell PERC H200 controller?

I have a server configured with RAID1 using a Dell PERC H200 controller. I tried to use smartmontools to monitor the disks. But after installing it and running the command, it says SMART support is ...
0
votes
1answer
35 views

Converting Non-Raid to Raid

I have a server that currently has one 1TB drive in it. I just bought a 1TB drive to put in Raid-1 with it. The server already has data on it, so my question is what do I have to do to make it a raid ...
1
vote
1answer
151 views

If you use Intel Rapid Storage for RAID1 on Linux server, how would you know 1 SSD is failing?

I use the motherboard's RAID1 to mirror the 2 SSD, in Linux server it see only 1 'Intel Volume1,' in times where 1 SSD fail how would I know? Thanks.
0
votes
1answer
43 views

Is it possible to install OS during RAID scrubbing?

One of our servers crashed a few days ago. I had to recreate the RAID container with the remaining disks. Currently the system is running the scrubbing process (screenshot below). I would like to know ...
1
vote
1answer
90 views

How to copy RAID 1 HDDs from one server to another Identical server

I have one IBM X3100M4, type 2582 windows server and having 2 x 500 GB HDDs in RAID Copy. Now brought new server and having blank HDDs. How can I copy RAID HDDs from Old server to new server? I have ...
1
vote
1answer
402 views

HP Proliant G7 hardware RAID configuration automation with ribcl

I have been trying to automate hardware RAID configuration of HP proliant machines before OS installation (So I can not use hpacucli) ssh into iLO3 doesn't have option for RAID configuration I use ...
1
vote
3answers
100 views

4 Disk - RAID(5) - 1 alleged faulty drive

I have a OWC Mercury Pro Elite Qx2. I have 4 4TB Hitachi drives setup on a RAID 5. One day, the red light came on indicating that my C drive has failed. I took it out, and put it on my docking ...