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
20 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
17 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.
4
votes
1answer
70 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
17 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
votes
1answer
55 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
votes
1answer
78 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
318 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 ...
0
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0answers
34 views

IBM x3550 7978-5GU ServeRAID 8k-l Firmware Corrupted

I was experiencing the server running slow with a new installation. I started updating firmware and during the upgrade of the ServeRAID firmware to 17003, we had a power hiccup and the server shut ...
1
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2answers
61 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
votes
1answer
28 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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votes
1answer
107 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
101 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
votes
3answers
994 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
votes
1answer
53 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 ...
0
votes
2answers
120 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 ...
1
vote
1answer
27 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
votes
2answers
67 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
votes
3answers
122 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
votes
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 ...
0
votes
1answer
41 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: ...
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votes
2answers
171 views

Server destroying and burning my Hard Drives [closed]

Before I start, let me inform you that I have been working as an IT Manager for large international companies for my whole life, and I have received masters degree from IT technology. I therefore ...
0
votes
1answer
82 views

ThinkServer RD440 raid mess

Does anybody have experience dealing with raid config on these new Thinkpad servers? My problem is the following: In order to be able boot this server I must put the drives to RAID1 to create an SCM ...
1
vote
2answers
140 views

Red Hat installation on HP ProLiant does not detect hard drive

I have an HP ProLiant BL460C Gen8 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. ...
0
votes
2answers
175 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
46 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
75 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
59 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
vote
0answers
25 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
223 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
194 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
456 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
181 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
80 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
vote
2answers
154 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
3k 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
103 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
109 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
78 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
213 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
vote
1answer
93 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
370 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
45 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
votes
0answers
45 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
176 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
1k 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
196 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 ...
2
votes
3answers
141 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
60 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
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0answers
147 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
342 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 ...