Questions tagged [megaraid]
The megaraid tag has no usage guidance.
204
questions
3
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3
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Which drive in RAID has bad sectors?
I have 4 physical drives in a single virtual drive using an LSI MegaRaid SAS controller. It seems (at least) one of the drives has bad sectors because:
io errors occur when attempting to back up some ...
0
votes
1
answer
968
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RAID 6 array rebuild with hotspare
I have an 11-disk (D0 - D10) RAID6 array with a hotspare (D11) - a 12 disk array total.
Disk D3 failed earlier today and the hotspare is now being rebuilt (presumably, turning itself into a datacopy ...
-1
votes
2
answers
1k
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Megaraid on Lenovo ThinkServer TD200 virtual drive degraded
I have a Lenovo TD200, purchased in around 2009, running RAID 10 with 4 hard drives and Fedora 21. I replaced the backplane alas keep getting the "PD Missing" and "Failed to start operation on drive" ...
18
votes
3
answers
16k
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Suddenly slow RAID performance
We recently noticed our database queries have been taking much longer than usual to run. After some investigation, it looks like we're getting very slow disk reads.
We've run into a similar problem ...
0
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0
answers
1k
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virtual drive degraded replacement hard drive not found in MegaRAID on Lenovo ThinkServer
Running MegaRAID Storage Manager 16.02.00.04 on a Windows 8.1 Lenovo ThinkServer M 3817 server. Bay 1 had a yellow blinking light so I purchased a replacement and inserted it and after a reboot it's ...
1
vote
2
answers
5k
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lsi megaraid 9260 single raid0 disk went unconfigured bad, please help recover data
I had some problem with my server with lsi megaraid 9260 chip(no JBOD support). I cannot recall exactly but I think I had a single drive as r0, and it failed. I need to recover data from it, if ...
1
vote
0
answers
281
views
MegaRAID possibly failing
We are trying to see if a disk has failed or if it is the card. Researched on this forum and found this -> Drive is failing but LSI MegaRAID controller does not detect it
However, we are getting that ...
3
votes
1
answer
7k
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Convert single disk raid0 to raid1 on an LSI megaraid controller
I have a server with an LSI Megaraid raid controller which has a single disk for the OS configured in raid0
What i want to do, is add a second brand new disk for redundancy and convert the raid0 to ...
2
votes
1
answer
4k
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Recovering Megaraid Storage Array After Power Outage
I suspect I know the answer to this (namely, that there is no hope whatsoever), but thought I'd take the liberty of asking the question in the unlikely event there may be some hope, however remote it ...
1
vote
0
answers
467
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MegaRAID Rebuild required after PdOffline + PdOnline?
In a RAID6 array with 12 disks I have taken a disk offline to flash new firmware, then brought it online again:
MegaCli64 -PdOffline -PhysDrv[8:0] -a0
MegaCli64 -PdFwDownload -PhysDrv[8:0] -f ...
2
votes
1
answer
4k
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LSI MegaRAID Bios - Loop where I have to delete Virtual Drive because of Preserved Cache
My server crashed tonight. I suspect the disks being full. I have four SSDs of the same kind connected to a LSI MegaRaid 4-port controller. The disk in slot 1 seems to be troublesome. I guess I could ...
1
vote
1
answer
3k
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How add drive to array using LSI Megaraid Storage Manager
I have an LSI 1068E raid card, with 4 disks, configured as 2 RAID1 pairs. I'm not sure how, but I've ended up with a pair in a degraded state, and one of the disks from that pair shows as ...
4
votes
1
answer
10k
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Finding the serial number of hard disk drives on a SuperMicro server running MegaRAID SAS 8708ELP
As the title says, I have under my care a SuperMicro server running a hardware RAID 6 with a MegaRAID SAS 8708ELP on Linux. I have two failed disks that I have identified as the drives in slot 2 and 4,...
1
vote
1
answer
858
views
Cannot mount partitions from LSI Software MegaRAID
I have a ThinkServer RD440 running RHEL 7.2 with a LSI MegaRAID which is configured as a RAID 10 over 4 disks. It is configured on a partition level, not the raw disks. The root partition is not part ...
1
vote
0
answers
295
views
VMWare ESXi 5.x - Megaraid controller and SMIS - correct way to monitor/manage controller?
I found some information online: How to Enable RAID Monitoring and Configuration under ESXi 5.x as well as here on ServerFault here: How can I get an email alert when RAID array is degraded? VMware ...
3
votes
1
answer
3k
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LSI RAID card commissioned hot spare
My company has an Open-E based file server (Celeros) that uses near-line SAS drives in RAID6 configuration managed by an LSI 9266-8i RAID card. We currently have one "dedicated hot spare" drive, no "...
2
votes
4
answers
20k
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Erasing Server RAID Hard disks (SAS and SATA) for decomissioning
We are in a process of decomissioning a handfull of Fujitsu Primergy Servers. Before of course, we want to make sure that the hard disks are completely wiped out. But it seems there is no way to ...
0
votes
1
answer
218
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Debian installation on MegaRaid SAS 9266-4i
I have server here, with Intel Xeon CPU on Intel MB and with MegaRAID SAS 9266-4i. I need completely reinstall this server, however I'm not able to see this raid in Partition manager. Tried to load ...
0
votes
2
answers
3k
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MegaCli create virtual drive from new disk (is it dangerous for the existing array?)
This is a linux system with a MegaRaid controller. MegaCli is installed.
I currently have:
Virtual Drive: 0 (Target Id: 0)
Name :
RAID Level : Primary-6, Secondary-0, RAID ...
1
vote
0
answers
480
views
settings on a PERC H310 crossflashed to 9211-8i/IR
I'm using MegaRAID Storage Manager on Windows Server 2012 R2 and am trying to change some settings on the card. Sadly, the settings are missing entirely from the menu when I right-click on the ...
1
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0
answers
1k
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Slow IO Performance with PERC H700/710 with current linux distributions
we noticed really bad write performance, on our new Dell R720 with Perc 710.
Especially when it come to writing a lot of small files.
The funny thing is that this bad performance only occurs on newer ...
0
votes
0
answers
2k
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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 "...
0
votes
1
answer
2k
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LSI MSM on Windows : SSL error when connecting remotely to a Ubuntu server
I've got LSI MSM (14.08.01.01) installed on a Windows Server. The manager works well here, and I am able to manage the local RAID on that server. However, when I attempt to connect to a Ubuntu server ...
1
vote
1
answer
921
views
Disk errors Event ID 51 on LSI MegaRAID 9240-8i in RAID 1
I am working on a case of recurrent disk errors.
Server is running Windows Server 2012 R2 Standard.
There are two main disks on a mirrored RAID.
There is also an additional drive that is used for ...
2
votes
1
answer
7k
views
Xenserver 6.5 LSI MegaRAID
Is there a package available to install the MegaCLI on XenServer6.5? For 6.5 there is this [1] but 6.5 has another kernel. XenServer 6.5 is based on CentOS6.5 (right?), so I also tried the kmod-...
0
votes
1
answer
1k
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megacli: Failed to alloc kernel SGL buffer for IOCTL
Today one of my servers started sending me alerts about non-optimal RAID state. These were triggered by a very simple script run by cron -- if it detects that not all of the disks report 'Optimal' ...
0
votes
1
answer
186
views
LSI MegaRAID 84016e reboots server
Have problem with my LSI 84016e. Have mobo Supermicro x8sil-f. Have installed RAID adapter, have booted to Debian 7, have created RAID10 and started just simple dd write test. Several beeps and server ...
2
votes
3
answers
6k
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LSI megaraid - config raid and non-raid
I have this configuration of server
IBM X3650 M4
IBM ServeRAID M5110e
300GB x3 SAS (config as RAID 5)
1TB x1 SAS (config as normal disk, non-raid)
Windows Server 2012 R2 Standard
I would like the ...
2
votes
2
answers
9k
views
megacli lost virtual disk raid configuration
I've been running centos on x64 with an LSI raid controller
description: RAID bus controller
product: MegaRAID SAS 1078
vendor: LSI Logic / Symbios Logic
i was ...
5
votes
2
answers
6k
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 ...
8
votes
6
answers
17k
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LSI Megaraid alarm - clearing hotspare
I have several Supermicro servers with LSI Megaraid controllers, 9266-8i. One recently lost a drive; I replaced it as usual, but it is still beeping on reboot. It is set up as RAID 10 + hotspare.
...
4
votes
1
answer
2k
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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 ...
2
votes
1
answer
2k
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IBM System x3650 M3 - how to expand RAID 10 array
I have RAID 10 array on my IBM System x3650 M3 server - four drives IBM 146GB 10K 6Gbps SAS 2.5". I bought four new drives (also 146GB 10K 6Gbps) because soon I may have problem with free space.
Can ...
4
votes
3
answers
5k
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Measuring SSD wear out behind LSI MegaRAID controller?
I'm trying to find out how to measure the total bytes written (or a percentage of maximum expected, either is fine) for a few RAID arrays behind LSI controllers. The controllers are all LSI MegaRAID ...
1
vote
1
answer
9k
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LSI MegaRAID - Recreate missing RAID 1 array
I have an LSI MegaRAID SAS 9260-4i Controller with two drives attached to it with a simple RAID1 array (virtual drive).
One of the disks failed (complete disappeared from the system) so I asked the ...
4
votes
1
answer
5k
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Consistency Check inconsistency logging disabled, too many inconsistencies on VD: 0 [duplicate]
We recently purchased an LSI MegaRAID 9266-8i SAS RAID card to replace a failed card in our NAS. Setup of the card went smoothly, I updated the firmware, set up RAID6 with hotswap, and let it ...
1
vote
2
answers
2k
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LSI MegaRaid - Image Drive from Failed RAID
I had a power failure and my LSI MegaRaid 3 disk SAS RAID 0 failed. My attempts to recover the RAID have also failed.
I plan to rebuild the array and go with RAID 5 and add another SAS disk.
...
3
votes
1
answer
6k
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MegaCli shows "Firmware state: Failed" on new HDD
Here is the part of -PDList -a0 result:
Enclosure Device ID: 252
Slot Number: 4
Drive's position: DiskGroup: 0, Span: 0, Arm: 0
Enclosure position: N/A
Device Id: 12
Sequence Number: 3
Media Error ...
1
vote
3
answers
3k
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Why is my RAID1 or RAID10 virtual drive (6 SSDs) not significantly faster than a single SSD?
I'm trying to figure out why the performance of a Virtual drive built from 12 SSDs is not really faster than a single SSD drive.
The Server is a IBM x3650 M4, two Xeon E5-2643v2 130W 6C 3,5GHz. The ...
6
votes
3
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28k
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smartctl & megaraid: how to find the right device node for an adapter #
I can list physical drives on all megaraid adapters using:
megacli -PDList -aALL
This will display an adapter # for each adapter, and then list the physical drives attached to them.
The individual ...
0
votes
1
answer
228
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?
2
votes
1
answer
5k
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SuperMicro Superblade fails to boot from hard drive
Following issue. I have a number of Superblades with LSI MegaRAID SAS 9240-4i cards. One card per server. All of them use the latest firmware (20.13.1-0176) as of this writing (as per the LSI website)....
1
vote
0
answers
2k
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SNMP agent for LSI MegaRAID does not display updated Temperatures
I have an ASUS PIKE 2208 ( this is LSI SAS2208 ROC ) configured and working with four physical drives. Additionally I have installed the LSI SNMP agent. The agent provides all the data defined by the ...
0
votes
1
answer
215
views
Is it possible to use megacli to copy from one partition to another?
Except "dd" and "rsync", is it possible to directly use the megacli command to copy one partition to another? I am using h310 raid controller, and it seems not working well using "dd" or "rsync", ...
10
votes
2
answers
3k
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Why is my RAID1 read access slower than write access?
I have done some simple performance tests and it seems that reading from my RAID1 is slower than writing:
root@dss0:~# for i in 1 2 3; do dd if=/dev/zero of=/dev/sda bs=1048576 count=131072; done
...
0
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2
answers
332
views
LSI MegaRaid live conversion from RAID 6 to RAID 0+1
I've currently got a lovely working server that has an LSI 9265-8i RAID card in it with 4x1TB RE4 drives, also running CacheCade Pro 2.0 with 2x180GB SSDs in RAID1. I currently have the main array ...
2
votes
1
answer
5k
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How to properly use the the MegaCli command for a LSI Megaraid Secure erase for an SSD?
I tried the following commands but I keep getting a invalid command error. It seems to properly pick up the correct controller, drive slot, and adapter though. I currently don't have a screenshot of ...
3
votes
1
answer
1k
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Optimal RAID10 configuration for 8 disks and two volumes?
I have an Open-E file server with 8 SAS disks and a MegaRAID 9271-8i controller and I want to configure two logical RAID10 volumes of identical size. One volume has about 66% write access and 33% read ...
1
vote
1
answer
2k
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SuperMicro 119-7 - Install Problems 'no device driver found'
I have a set of servers that had Debian installed, and need to have Windows Server 2012 R2.
Supermicro 119-7 / 10274-WRFT+
MegaRAID SAS 9266-8i
Mount R2 in a flash drive, boot from it in UEFI mode
...
1
vote
2
answers
13k
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LSI MegaRAID SAS 9261-8i: Disk isn't recognized after replacement
I've got a Supermicro Server with an LSI MegaRAID SAS 9261-8i Raid Controller inside. There were 3 Disks attached to the controller which were configured as RAID5 array. One of the disks failed ...