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Questions tagged [dell-perc]

PERC (PowerEdge RAID Controller) is a Dell-branded RAID controller that is manufactured by LSI.

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Why did a single predictive disk failure cause a RAID6 array to fail (and how do we stop it from happening again)?

We have a Dell PowerEdge R740xd with 16 HDDs and 2 SSDs. The 16 HDDs had a 15 disk RAID6 array (with one hot spare). It hosts a number of VMs (using HyperV) and last Monday all the VMs failed. Upon ...
Matthew's user avatar
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Access data from drive images of raid drives

The drives on a perc h700 controller running RAID5 were experiencing errors, so I copied out the contents to images using ddrescue. All drives had some bad blocks, but most (>99.98%) of the bits ...
arden opal's user avatar
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DELL PERC H310 mini - firmware upgrade (IT mode) - led behavior

I've upgraded the PERC firmware with this guide (https://fohdeesha.com/docs/H310.html) and I have a working server again. I have these doubts. Anyone has faced this? Slot ID. Server is 1U (R420) ...
rd1218's user avatar
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Convert from Spinning drives to SSD on PERC H700 RAID 1

I have a Dell R510 running a PERC H700 Hardware RAID controller, with 2 2.5" 1TB HDs in a RAID 1 configuation for the OS, and 12 3.5" 2TB HDs in a RAID5 config for a data filesystem. I have ...
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megacli is scratching my head

I recently bought an old Dell server from a colleague, he has a PERC H310 mini with four drives. In this type of things (hardware, raid, disks) I am a newbie and I don't understand more than what I ...
Javier Valencia's user avatar
1 vote
1 answer
387 views

PercCLI64 secure erase

I have an SSD, Kioxia model KRM6VRUG1T92, in a Dell server with a PERC H730P that has the following policies as shown by perccli64 /c0/e32/s0 show all under Linux: FDE Type = None SED Capable = Yes ...
petiepooo's user avatar
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Which disk is in which hard drive bay

I have a Dell Poweredge R710 with 6 drive bays (and 6 hard drives). There is a DELL PERC H700 raid controller card in the system. I mirrored all of the drives so they appear as 3 separate disks. I'm ...
George Mastros's user avatar
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1k views

Is it possible to recover data from an Intel PERC H710 Adapter RAID Controller disks into another server with SAS controller

I have a Dell T420 server with a PERC H710 Adapter RAID Controller. I had a RAID 1 with two hard drives. And another disk into the same controller, with no RAID only for backup. The Motherboard of ...
Olver Hernández Navarro's user avatar
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602 views

perccli: How to check the pdcache status for a virtual drive?

The perccli utility (doc page) has an option to set the "pdcache" option, where pdcache means physical drive cache (although I can't find where that's actually defined). From the docs, the ...
Ben Slade's user avatar
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RAID10 with 2 failed drives

I have 4 disks in a raid10 array into a dell server. 2 drives are failed right now. The failed drives are not in the same group (1+2 and 3+4), drives failed are 2 and 3. The server is still running, ...
G1R0UARD's user avatar
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Swapped in new SAS drive, RAID still shows degraded, what next?

I need to replace a failed RAID 1 drive on an ancient PowerEdge 2950. The old drive was throwing amber warning lights with the LED showing error 1810. I have a new SAS drive installed and the ...
a coder's user avatar
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Dell R620 - problems with boot setup

I have an "old" R620 that in a previous life was used as a ESX host. The machine has a 1GB SD card with which had the VMware software on it. I have installed ubuntu on the HD. No matter ...
Russell Fulton's user avatar
1 vote
1 answer
230 views

copying one virtual raid disk to another using dd

Using a Dell-Perc Raid controller in Ubuntu I have a virtual disk as a raid 0 array composed of 4 physical drives (1Tb SSDs). I would like to copy the virtual disk onto another virtual disk also raid ...
haz's user avatar
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How to securely erase drives on PERC H710 mini in Dell

The controller doesn't let me convert drives to JBOD for some reason, so I can't reach them with hdparm to send --security-erase-enhanced ATA command. So I decided to use MegaCli for which I found two ...
Ren's user avatar
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Upgrading T410 w/Perc 6i to Windows Server 2022

I have a PowerEdge T410 with a Perc 6/i configured with a Raid5 array. It is running Windows Server 2019 Datacenter and hosts several Hiper-V vms. Due to contractual obligations, we need to upgrade to ...
Eric Logsdon's user avatar
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How can I regain access to a RAID volume that I deleted from PERC in the Dell Life Cycle controller?

I'm using a Dell PowerEdge R820 with PERC H710 adapter I had RAID 0 configured across two 1TB SSDs, Drive A and Drive B. I recently bought a 5TB HDD, Drive C. Today, I was attempting to create a RAID ...
Not Dylan Burns's user avatar
3 votes
3 answers
1k views

Is it possible to set up R730xd split zoning with HBA330 + PERC rather than 2x PERC?

For an r730xd configured with split zoning backplane (not the flex bay, im talking a 4/20 split zoning of the main backplane with the flex zone option) is it a supported configuration to use (for ...
AngryCarrotTop's user avatar
1 vote
2 answers
563 views

Perc H740P: raid5 volume split into two foreign configurations, cannot import

After a power supply replacement we had a cabling issue which caused some disks to be missing, after debugging and fixing this in the BIOS, on the first boot, the preexisting raid5 volume was split ...
Remember Monica's user avatar
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RAID10 Performance on newer hardware slower then RAID5 performance on older hardware?

I am currently trying to figure out a performance issue with a new server compared to a old server. Performance should be better but it's not and I'm having trouble figuring out why. Old server is a ...
ADY's user avatar
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Using a RAID Controller as Pass-thru vs RAID0

I have a server with DellPerc H750 Storage controller. I want to use the controller as Pass-thru/Non-RAID but I have the below questions: A) Is it possible in the future to replace the controller ...
AEAG's user avatar
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530 views

Create vdisk in PERC H710 Mini under Debian 11

I have a refurbished Dell R720 server with the PERC H710 Mini raid controller. I can assemble vdisks from physical disk in the BIOS. However, I'd like to create a vdisk without rebooting. I've ...
sauerburger's user avatar
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how does a striped RAID work with large number of disks?

still trying to configure my large (24) array of disks (2.4TB) for an archive/nas of mixed huge and small files. But apart from this, I am now more focused to understand how striped RAIDs work under ...
pink0.pallino's user avatar
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1 answer
2k views

smartctl "Elements in grown defect list" vs. RAID controller "Media error count"

I am using a hardware raid50 with PERC810 controller in my server and recently encountered a metric I am not sure about. Until now, I have been using a smartctl metric "Elements in grown defect ...
chpZ's user avatar
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2 votes
2 answers
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RAID Recommendation Request: 2x RAID5 arrays, 1 Large RAID5, RAID10?

I just ordered a new PowerEdge R650 which will be the primary server for our company. It will run HyperV with 10 - 12 virtuals on it, mostly Windows but some Ubuntu. All the standards: domain ...
ADY's user avatar
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1 answer
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PERC H700: "Virtual disk creation failed" Why?

I try to create a new VD on a drive from the PERC config. I get: "Virtual disk creation failed" The drive has been used before in another system. What do I need to clear, before I can use ...
Ole Tange's user avatar
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1 vote
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409 views

disks for a small esx-host: ssd raid5 or hdd raid10? [duplicate]

I am about to replace an ESXi host that runs some 20 VMs (mostly idling). Today around only 800Gb is used on an external iscsi-box, raid6 (total 7Tb). The new server will just simply have internal ...
Alexander Kolodziej's user avatar
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174 views

Embedded SATA on my PE R440

I purchased a PowerEdge R440 with embedded SATA and am wondering is it possible to set up a different RAID with the drives in them? i.e. RAID 1 for the 480GB drives and RAID 6 for the 12TB drives or ...
Mau's user avatar
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Expanding RAID volume on PowerEdge

I have a PowerEdge T620 and R620 with RAID5 volumes on Perc H710P controllers. Can these be expanded in place with no data loss by adding additional drives? I have seen this demonstrated online, but ...
jbbarnes77's user avatar
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1 answer
753 views

What happens to the disk data if the disk is made RAID ready?

I have a PERC H730P mini RAID controller. I have a single physical (non-raid) disk with important data which I falsely executed as "Convert to RAID capable". Apart from this, I haven't done ...
Nimrod's user avatar
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1 answer
149 views

Centos 7 - replace Perc 6i with H700

I've installed Centos 7 using a Dell Perc 6i using 1TB drives. I'm interested in replacing the 6i with a H700 to be able to use larger drives. I am looking to understand the process so that I can make ...
Gary_unk's user avatar
2 votes
1 answer
3k views

PERC H740p single-disk RAID 0 versus JBOD/Pass-Through/eHBA/IT mode (For ZFS on Linux)

We have a server with PERC H740P mini (embedded) and a 2 disk RAID 1 with EXT4 for the OS (CentOS 7.8) and a 6 disk raidz2 ZFS on Linux setup for the data, all on the same controller. It's generally ...
sed_and_done's user avatar
9 votes
5 answers
31k views

Differences between HW RAID and ZFS

Background I'm installing Proxmox Virtual Environment on a Dell PowerEdge R730 with a Dell PowerEdge RAID Controller (PERC) H730 Mini Hardware RAID controller and eight 3TB 7.2k 3.5" SAS HDDs. I ...
Matthew Rankin's user avatar
0 votes
1 answer
811 views

Dell R720 - can't install any operating system

I am trying to install a host OS but whatever I try installing, it always fails with I/O related error. Looking at similar issues described on the internet, everything points to an imminent / existing ...
Roman Toczek's user avatar
1 vote
3 answers
7k views

DELL PERC status needs attention

if anyone is familiar with Dell PowerEdge Raid Controllers (PERC) that are in servers, I have a PERC H740P that when you go F2 into the BIOS then navigate to the PERC device it says STATUS: needs ...
ron's user avatar
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2 votes
1 answer
784 views

Consistent Dell raid device names

We have a Dell PowerEdge R740 server running CentOS7 with raid disks configured via PERC H730P Mini controller. On each reboot the device names (sda, sdb ...) for the vdisks are assigned out of the ...
amosk's user avatar
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-1 votes
2 answers
2k views

Dell R620 with PERC s110 and LSI Centos 8 not discovering RAID drives [closed]

I have acquired a Dell poweredge R620 that has a PERC S110. I am familiar with my Dell T420 that holds the PERC H710 (I beleive) and in bios F2 if you choose RAID mode you reboot and have access to ...
gstlouis's user avatar
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0 answers
146 views

Restoring VD on Perc 6

PowerEdge server with PERC 6 RAID, two VD, RAID 1 with two drives (mirroring) on each. System went down and when it came back up the four drive status lights all showed green, but a message was ...
Peter_M's user avatar
1 vote
0 answers
739 views

Dell Power Edge R940 RAID Failure: the foreign configuration cannot be imported since the configuration is not complete

Dell Power Edge R940 RAID 5 Array BIOS version 2.3.10 PERC H740P Adapter Some of our guys pulled of all of our disks, one by one from the server while it`s worked, to rewrite theirs serial numbers. ...
JumpJet's user avatar
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2 votes
1 answer
873 views

Replace healthy drive in RAID 10 on PERC H730

I have a PowerEdge T630 of a few years with a hardware RAID 10 consisting of 4 1TB disks. Now I need to extend the storage, so I have ordered 4 additional 1 TB disks which i planned to add in a new ...
Jan's user avatar
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-1 votes
1 answer
636 views

What might cause a DELL R610 with PERC H700 Virtual Disk to disappear after an OS install/reboot?

Problem I have a Dell R610 Server that I am trying to upgrade with some new disks and a new operating system. The server has a PERC H700 RAID Controller with firmware 12.0.7.001 (which is the latest I ...
Aaron's user avatar
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8 votes
1 answer
5k views

FIO Benchmarking - Inconsistent and Slower than Anticipated: Are my RAIDs Misconfigured?

TL;DR: I'm having some performance issues with my hypervisor storage. here are a bunch of test results from fio. Skip to the Results section to read about them and see my questions. Summary I ...
TJ Zimmerman's user avatar
3 votes
2 answers
5k views

Centos 8.1 installer cannot see SAS disks attached to Perc 6/i

How to get Centos 8.1 installer to see Perc 6/i attached SAS disks? The Dell t7400 hardware boots MS-Windows properly from Perc 6/i attached SAS disks. Dell Bios A11 shows 3 virtual drives at ...
mao's user avatar
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5 votes
2 answers
6k views

Where to get storcli64 for Linux from LSI MegaRAID now that Broadcom has taken over?

I need the Linux shell interface, storcli64 for the Dell PERC H700 (aka LSI MegaRAID) as explained here and here, but the download links all appear to be defunct. How can I get the appropriate files ...
ylluminate's user avatar
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893 views

Dell H730 in HBA mode - Why are there issues with performance and SMART data? [duplicate]

I recently purchased a Dell R730xd that came with an H730 RAID card. I would like to bring an existing 6 disk ZFS pool to this server as well as create an additional 6 disk hardware RAID. In my ...
TJ Zimmerman's user avatar
9 votes
3 answers
6k views

Dell R730xd - Best way to configure storage for simultaneous use with ZFS & Hardware RAID

I recently purchased a Dell R730xd that came with an H730 RAID card. I would like to bring an existing 6 disk ZFS pool to this server as well as create an additional 6 disk hardware RAID. Is it ...
TJ Zimmerman's user avatar
3 votes
1 answer
2k views

LUKS high transfer rates followed by high io wait

I'm currently setting up a server on Proxmox VE. I wanted all drives to be encrypted so i chose to setup luks on all disks and on top of luks i set up LVM. Now when I'm transferring data from a fast ...
MysteriousPerson's user avatar
3 votes
1 answer
8k views

Crucial MX500 new firmware rev M3CR032 causes RAID controller failures?

I've been using Crucial MX500 disks in Dell hardware for a while now (non-server class disk, I know, I know... we're cheap) with firmware M3CR023. But the latest batch arrives with revision M3CR032 --...
s n's user avatar
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2 votes
1 answer
439 views

Perc H710 on Windows 2016

Excuse me for a naive question. I just got R720 with 4x3T on RAID 5 using H710. In the server manager, I saw disk with 8T which I suppose is the virtual disk I set up using H710; In volumes, there is ...
cccfran's user avatar
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0 votes
1 answer
471 views

How to update PERC H700 when used in a Dell R410 server?

I have a PERC H700 running in a Dell R410 server which works fine. However when I try to update the firmware using the Dell package I get a message "This update package is not compatible with your ...
Neal's user avatar
  • 409
2 votes
2 answers
3k views

HDD SMART interpretation

I need your opinion if the drive below is failing. When I run "smartctl -a /dev/sda -d megaraid,1", 2 errors are posted at the end of the output, stating "Error: WP at LBA". I don't see anything ...
Alexandru's user avatar

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