Questions tagged [dell-perc]
PERC (PowerEdge RAID Controller) is a Dell-branded RAID controller that is manufactured by LSI.
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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 ...
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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, ...
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PERC H710 says “Update key missing”
I currently scavenged a thrift shop in japan and picked up a working mint condition poweredge T110 II. It’s already been powered up and have ESXi on it. I recently bought a PERC H710 by LSI to upgrade ...
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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 ...
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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 ...
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Dell PERC H710 Mini: missing volume; drives now show as unconfigured
After power-cycling a Dell R720 with PERC H710 Mini RAID controller, it lost one of 2 RAID volumes I had configured. The RAID configuration utility now shows the drives as "unconfigured", ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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Updating the firmware on a PERC 6/i
I am re-installing a DELL PE2950 with an integrated PERC 6/i with 6 4TB SATA Drives.
The PERC 6/i can only access 2TB of disk space with the firmware package 6.1.1-0047 currently installed.
In various ...
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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 ...
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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 ...
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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.
...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 --...
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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 ...
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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 ...
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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 ...
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Installing Dell R710 from Scratch
I am building a Dell R710 server from scratch. I am deploying a bootable USB on the internal usb port. The bootable usb contains esxi 6.x and I can't seem to configure the RAID controller from scratch....
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Dell PowerEdge 2950 with PERC 5/i - pxe-e53 boot [closed]
I have an old PE 2950 that I use for all my home automation needs.
Work great since a while, but, I was trying to upgrade my harddrive and now I have problem.
Here's my setup before :
1- RAID-5 ...
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CentOS 8, Dell PERC H330 RAID controller, no block device (most of the time)
We recently bought a New Dell R340XL Server and installed CentOS 8. We have one SSD for boot on the BOSS controller (as sda) and 4 HDDS on the PERC H330 in RAID 5 (as sdb). It worked fine for a few ...
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After replacing PERC H310 with PERC H710P the Dell BIOS (and Ubuntu installer) refuses to recognize any (non-raid) physical drives
We had a H310 Mini Mono controller in a completely non-raid configuration and had it replaced with a H710P controller. The controller is installed in a Dell Poweredge r620 system.
We have 4 drives ...
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Iowait on single HDD drive slows/blocks operations on all other (SSD) drives on a DELL R620 w/ PERC H310 Mini Mono controller
As the Dell forums are a veritable disaster I'm trying here in case somebody has some hints for me here :)
We have a system with 3 drives:
SSD for the OS
SSD containing a ZFS pool backing LXD ...
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