PERC is a Dell branded RAID card.

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Using Seagate 3TB drives with a Dell PERC 710 - do I have to worry about align and sector size?

I'm going to setup our new server with 8 3TB HDD from Seagate. They come, as far as I know, internally with 4K sectors. I've run this past weekend some burn-in tests on the disks, before setting them ...
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2answers
700 views

What does “single-bit ECC errors were detected on the RAID controller” mean?

I have a Dell T7600 with a Perc H710P RAID controller and 4 attached 3TB drives. Over the past few months the RAID controller has been intermittently reporting errors on boot: "no boot device found", ...
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1answer
853 views

Replacing a failed and degraded virtual disk on Dell T110 II RAID 1 PERC S300

We have a Dell T110 II server, factory installed with Microsoft Windows Server 2012, Standard x64 Edition, running PERC S300 RAID Controller (1068E HBA). It came installed with RAID 1 on the 500GB ...
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27 views

Upgrade key not present?

I have a DELL PowerEdge R520. On boot, just after loading the RAID Controller, I get a weird message: "Upgrade Key Missing! An upgrade key was present on a previous power cycle, but it is not ...
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2answers
52 views

Can a physical disk be moved from a PERC to a SAS controller non-destructively?

I have some disks attached to a PERC H800. Since it unfortunately does not have a proper passthrough/JBOD mode, each physical disk is mapped to a 1-disk RAID 0 virtual disk. My question is- can those ...
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9k views

Is it possible to install Windows Server 2012 on a Dell PowerEdge with PERC S100 card?

According to Dell's own website, the Windows Server 2012 media driver "inbox" does not contain drivers for the Perc S100 controller that is in a Dell PowerEdge T110 II server we'd like to evaluate ...
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2answers
143 views

Are mixed disk types possible on a Dell Perc h710p? [closed]

The PERC 710P supports both SAS and SATA disks. I have a single RAID1 set and would like to add a RAID5 set built out of SATA disks for archival use, but I cannot confirm that a configuration like ...
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1answer
120 views

Getting access to physical drives in ESXi v5.5 installation on Dell PowerEdge R710 with PERC 6/i

I've acquired a Dell PowerEdge R710 server a few days ago, which includes a PERC 6/i RAID controller. The server is now fitted with a SATA SSD, one SAS drive and four SATA HDD's, all of which I would ...
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98 views

Dell PERC 5 - RAID-10 keeps rebuilding drive 2 every day

I have a Dell PowerEdge 2950 with this card: RAID bus controller [0104]: Dell PowerEdge Expandable RAID controller 5 [1028:0015] and six disks in a RAID-10. I replaced drive 2, because it didn't ...
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152 views

Dell PERC 6 - virtual drive goes offline because a drive went into the “ready” state

I have a Dell PowerEdge 2950 with four drives, and this raid controller (Dell Perc 6/i): lspci -nn RAID bus controller [0104]: LSI Logic / Symbios Logic MegaRAID SAS 1078 [1000:0060] (rev 04) ...
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152 views

JBOD with PERC H810

I'm wondering if anybody has ever used Dell storage products like the MD3220 array in a JBOD configuration. From what I can tell only perc h810 will work for external JBOD but that is not terribly ...
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119 views

Benefit of Dell PERC Card for SSD

I bought a dell workstation for using with mysql and python. It came with a single HD and PERC 310 controller. I then installed the OS on an ssd instead to speed things up. However, there seems to ...
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1answer
69 views

“Repair your computer” option missing when loading PERC drivers on Windows 2008 R2 install

I've got a Dell T310 server for which we have made volume backups of the system drive with Windows Backup. I'm trying to restore one of these, which means I need to boot from the Windows install CD. ...
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1answer
2k views

Upgrading a PERC h310 to a PERC H710 mini RAID controller on a Dell R620

I have an ESXi 5.0 Free license host using an internal Datastore (RAID 5, 5 Disk) that was configured with a Dell PERC h310 RAID controller. The disk performance was very poor, so I upgraded to the ...
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3answers
2k views

Performance of unsupported 3TB drives

We recently purchased a number of 3TB drives, only to realize later it was for a server running a Perc 6i, and that >2TB drives are not supported. Based on the amount we paid though, the restocking ...
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1answer
101 views

Split a Dell PERC 6/i RAID-1 mirror to temporarily to add additional storage

I need to tidy some disk partitions in Windows Server 2012, but don't have enough storage space, and all drive bays are in use. I'd like to split the mirror, use one of the disks as temporary storage ...
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88 views

Why don't enterprise RAID controllers support migration from RAID 5 to RAID 10?

I've been doing some research on the possibility of live migration from RAID 5 to RAID 10 and I'm curious as to why it seems that most RAID controllers (particularly Dell's PERC controllers) don't ...
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1answer
412 views

PowerEdge T110 ii and PERC H200 battery? [closed]

I'm confused. I have a PowerEdge T110 ii server with a PERC S100 card, sad to say, the S100 does not have drivers for Windows 2012 R2, Dell recommends you upgrade your PERC card or forget about the ...
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1answer
261 views

PERC H710p SMART data

I'm trying to read the SMART data from some harddisks attached to a perc H710p but neither ESXI nor the idrac7 will give me specifics. The idrac will display a status for the individual drives but not ...
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4answers
156 views

What are the chances of two disks in a RAID5 going out on the same day?

I have a Perc H710 configured as a RAID5 with 4 attached 3TB Seagate 7200rpm hard drives. Two months ago, I got these spurious errors that led me to believe the my controller was bad. I replaced the ...
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1answer
3k views

How to over-provision an Intel SSD RAID Array via the Dell H700 PERC RAID Controller

I would like to set up a RAID10 array of 6 Intel SSD 320 SSDs, but over-provision them to enhance their performance and duration as per this PDF: ...
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1answer
240 views

Perc battery shown as missing

I replaced a failed battery in a Perc 5/i. The original and replacements are the same DLU8735 model. I couldn't find any special battery replacement procedures in the manual, so I just turned the ...
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77 views

2950 internal backup SATA drive

We have a Dell 2950 II with 4 76GB drives in a RAID 10 configuration, running ESXi and 5 virtual machines. The RAID controller is Perc5/i. There is a low transaction rate, so this gives us minimal ...
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198 views

Windows 2003 Server R2 system partition full - move and/or expand

PROBLEM: My System (C:) and Data (D:) partitions are full and I need to expand them or move them to larger drives. SPECS: Dell PowerEdge 2900 server Adaptec 39320A SCSI adapters Dell Perc 5/i RAID ...
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1k views

PowerEdge R905 - “The disk drive bay battery has failed”

I recently got an alert from a PE 905 which I manage: I1912 SEL Full. I checked the SEL via the DRAC web UI and saw the following message repeated about 50 times for today: "The disk drive bay ...
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3answers
402 views

Spurious RAID controller failures. Is my controller bad or are my disks bad?

I have a Dell T7500 with a PERC H710P connected to 4 3T drives in a RAID5 array. Also connected to the controller are 2 256G SSD drives, not configured in an array. A Linux server is installed on ...
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1answer
80 views

dell SNMP raid disk no data

I'm trying to monitor data with SNMP for disks in a raid attached to some servers. From what I understand the raid is configured with PERC and PERC does have a MIB associated with it. I've downloaded ...
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4answers
499 views

Dell R320 RAID 10 with CacheCade

I'm looking for a higher-performance build for our 1RU Dell R320 servers, in terms of IOPS. Right now I'm fairly settled on: 4 x 600 GB 3.5" 15K RPM SAS RAID 1+0 array This should give good ...
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159 views

slow I/O on FreeNas 8.3.1 (PE1950 with Perc5i)

The System: Dell Poweredge 1950: Networking: Integrated Gigabit (Cat5e to gigabit switch) Memory: 6GB DDR2@667Mhz OS: FreeNAS 8.3.1-P2 RAID Controller: Perc 5/i RAID Configuration: RAID1 (2 x 2TB WD ...
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1k views

Upgrading Raid Card - import configuration - Perc 5

I am upgrading my Perc 5 to a Perc 5i (allegedly lets me have hot spares and power management). When I put the 5i card in and connect the drives, it does not recognise the previous RAID ...
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498 views

Beeping on Dell Poweredge Server (RAID Fault)

I've a Dell Poweredge 2850 that is beeping continuously - 2s beeps with 1s intervals. I'm sure this is because of a degraded RAID - but there's nothing in the Dell OMSA to say so. In fact, the PERC ...
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1answer
4k views

Poor Disk Performance on VMs; Host using PERC H310 RAID 5

I have a Dell R620 running 5 500GB 7.2K RPM SATA 3Gbps 2.5in Hot-plug Hard Drives in a PERC H310 controller (which I am beginning to regret buying). I am getting awful read/write speeds on Linux ...
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1answer
121 views

Drives not shown on a Dell r410 server

So I have just bought a Dell r410 server, without doing my investigation first. It seems that with the current RAID controller (perc s300) I can't install a linux system. It supports only Windows. So ...
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260 views

Dell OMSA Storage Auto Patrol Read Schedule

My Dell servers with Perc H700 Controller are automatically performing periodic Patrol Reads. Is there a way to set schedule for these checks?
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1k views

Managing battery relearn cycles on LSI and similar RAID controllers

How do engineers deal with RAID controller battery "relearn" cycles? As noted in: What's a "battery relearn" on a LSI MegaRaid?, relearn cycle discharges the RAID controller battery ...
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295 views

Mount dell perc (megaraid) partitions on linux box without hardware raid

I have sata hard disk extracted from Dell server with perc 5i. I need to save data on another linux box, without hardware raid. Is it possible? How? I know there are two partitions on this disk, but ...
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PERC MegaRAID S.M.A.R.T. Status is not matching smartctl's - looking for clues what's wrong with the HDD

I'm getting strange SMART error from MegaCli on Dell R720xd and PERC H710P with five 4Tb SATA drives in RAID5 /opt/MegaRAID/MegaCli/MegaCli64 -PDList -aALL gives me some "Failure Seq Event Number" ...
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3answers
5k views

Very slow disk performance on Dell PowerEdge 2950 w/ PERC 6/i running RAID 10 [duplicate]

I recently set up a server running Ubuntu 10.04 LTS on a Dell PowerEdge 2950 server - it has 6 500 gb 7200RPM SATA drives setup in a RAID 10 config. I am seeing extremely poor disk performance - the ...
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1answer
221 views

Managing PERC 6/i and P800 in the same system under CentOS

I have a CentOS/Xen VM server running on a PE T710 with a PERC 6/i, which has a 6 disk RAID 10 + 1 hot spare. The chassis only holds 8 3.5" disks, and so I'm looking for an aftermarket (used/eBay) ...
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369 views

Dell PERC H700 and 8 disk slots : what are my options to increase disk fault tolerance?

We've got a Dell PowerEdge T510 which has 8 disk slots in the front. It is currently utilising 6 of these slots, and the disks are controlled by a PERC H700 controller. The disks are currently running ...
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2answers
153 views

Dell Perc 4/DC controller - managing it from Windows 7 on a not dell workstation? [closed]

I've installed a Perc 4DC on a non dell workstation with windows 7. I have no issues with the drivers (used the 2003 ones), but I'm not sure what kind of disk management tool I could and should ...
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487 views

Reconstruct deleted virtual disk in PERC 710 RAID Array

Today, I did the dumbest thing I've ever done in my life. I have a PowerEdge server with a PERC 710 RAID controller. I had 4 drives in RAID 5 configuration (1 2.7 TB Virtual Disk) and I wanted to ...
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2answers
2k views

When RAID 10 is SLOWER than RAID 1, why?

We have a new Dell 2950 with PERC 6/e and 14 external SAS 15K 73GB drives. An Oracle 11g database job takes 3 hours to run with the drives set as hardware RAID 10 (striped across 7 mirrored pairs). ...
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130 views

Resize virtual disk raid 0 MD1000 Perc 5/e

I've created virtual disk raid 0 of total size 2TB (one physical hdd), what if I will want to add next 2TB hdd into my storage dell powervault MD1000? Can I resize my existing virtual disk without ...
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1answer
168 views

Dell Perc5/E not recognized in Dell Poweredge 1950

I'have ordered new Dell Perc5/E and new PCIe risers to my server Dell Poweredge 1950 III. I am trying to connect MD1000 to the server, but the server does not recognize Perc5/E, nothing to see in boot ...
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4answers
4k views

How can I get WMI to return info on physical disks in Dell Poweredge server with RAID enabled?

I'm using WMI to gather stats on some of our servers, and I'm trying to get details of the physical disks that are installed in each server. The servers are various Dell PowerEdge models. Windows' ...
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2answers
1k views

PERC 6/i will not find my SATA drives

I got a PERC 6/i for our build-system machine running ESXi 5.0update1. The hardware is a MSI X79A-GD65 with Intel X79 chipset, Extreme i7 CPU. I also got a SFF8484->4xSATA cable and connected it to 4 ...
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176 views

Dell PowerEdge R510 SATA drives appearing as SAS

I have a Dell PowerEdge R510 with the following: PERC H700 2 x 500GB cabled SATA drives (RAID 1) 6 x 3 TB SAS hot swap drives (5 in RAID 6) I was testing an online expansion of the RAID array ...
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227 views

PERC - Create RAID1 from single drive without losing data

I have a PowerEdge 2950. I have one 1TB drive with critical data on it that has been running alone for months, and I want to add a second 1TB drive and make a RAID1 out of these 2 drives, but without ...
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71 views

Dell Perc5/E and Poweredge 1950 PCI-X

Today I have been to my datacenter and could not put Perc5/E into PCI-X card, there is like 0,5mm difference in card length, so physically it does not fit. Do I need PCIe for this Perc? Btw. when ...