Questions tagged [megacli]

Command line tool for configuring LSI MegaRAID cards in Linux.

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LSI RAID confusion

I've got a Cisco UCS server with a LSI Logic / Symbios Logic MegaRAID SAS 2008 [Falcon] (rev 03). This has 2 disks configured as RAID1. controller. One of the disks was reporting a very high failure ...
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Does MegaRAID support creation of initially degraded RAID array?

I want to make a RAID5 array out of 3 disks, copy data from the one disk I have then clear it and add as a spare to the array. A similar magic I can do in linux with mdadm utility (mdadm --create drv1 ...
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114 views

Raid card not detected by Megacli or storcli. Ubuntu detects the card

I am trying to get my MegaRAID SAS 9341-8i to work on my server. I have ubuntu 16.04 installed at the moment in legacy boot mode. I only installed 16.04 because I wanted to see if it was the version ...
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1answer
87 views

Oracle Exalytics X4-4 server - RAID 1 volume corrupted while data sync was going on

We replaced a failed drive in Oracle Exalytics X4-4 machine. Failed drive was replaced fine and rebuild started. But when rebuild reached at 70%, the main disk got a bad sector and the rebuild failed....
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Dual Raid Controller on Linux Server

I want to add hardware raid controller fault tolerance to my 8 HDD setup with a second hardware raid controller. Right now I have one MegaRAID SAS 9361-8i card and I'm ready to buy more. Is there a ...
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108 views

Can't mark newly added disk as “good” in megaraid RAID

A client of ours owns a MegaRAID storage array (not sure what model, exactly - I can query the backplane model remotely, but I can't figure out how to get the model of the device as a whole) with 24 ...
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91 views

MegaCLI Importing a Foreign Array of Disks

A few weeks ago I upgraded a file server to new drives for storage. Even though we backup nightly to another server I had accidentally changed the permissions on a couple of folders that I need access ...
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1answer
132 views

How to make a 'unconfigured' and 'ready' RAID drive 'online'?

I have 2 drives in RAID 1 configuration, as Ubuntu 16 boot drives. One of the drives failed and recovered by itself and I now have the following output: root@server:/home/admin/megacli/Linux# ...
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226 views

MegaRAID reset “Other Error Count”

After an un-planned power-cycle of a megaraid controller, 23 of its disks show a single "Other Error Count". I've extracted the log, and these seems to correspond to the same number of Unexpected ...
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59 views

megacli does not work via SSH

megacli on CentOS 7.6, it works well when access via local host. but not working when access via SSH. use megacli via localhost, it drops information normally. but SSH just drops Exit code : 0x00 ...
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Megacli shrink raid 0

recently I got a used PowerEdge r510 with a Perc H700 Raid card. I have a 78gb hard drive for my OS, and a 1TB drive to store my data. I got 2 more hard drives with the intention of adding them to ...
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124 views

System slowdown by RAID controller fading away?

May system runs on a RAID 5 on a RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS 2108 [Liberator] (rev 05) Since about a week the system becomes very slow. I get messages on the commant ...
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756 views

Disabling JBOD mode from command line for LSI (Dell H330)

I'm unable to disable JBOD mode on H330 (dell): I've tried: megacli -AdpSetProp -EnableJBOD -0 -a0 Adapter 0: Failed to Set Adapter Properties. megacli -CfgClr -a0 Adapter 0: Failed to Clear ...
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MegaRAID not accepting two out of four new identical drives

I've added four new drives (same model, HUH721010AL4200) to a server using a (supermicro) server with a LSI MegaRAID 3108 controller. I want to make a new RAID10 array with them, but I'm having ...
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1k views

MegaCLI RAID1 - Can't Replace Missing Disk

I have a RAID1 where I've replaced a disk with errors, however it will not automatically or allow me to manually replace the "missing" disk with the new one. Here are the physical disks per my ...
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1answer
2k views

megacli commands return exit code: 0x00 with PERC H200

Megacli does not want to talk to a PERC H200 adapter on one of our systems. This is what happens (all commands run as "root"): megacli -AdpAllInfo -aAll Exit Code: 0x00 System description (I ...
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1k views

lsi megaraid migrate raid 6 to raid 5 without data loss?

I'm using a LSI MegaRAID SAS 9260-8i controller, firmware version 12.15.0-0189 with 8 physical drives. I currently have the main array running on RAID6 with 5 disks and second array on RAID1 with 2 ...
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356 views

Duplicate Slot Numbers for MegaRAID SAS 2108 [Liberator]

Why are duplicate Slot Numbers shown in storcli/Megacli output? # lspci -nn | grep -i mega 01:00.0 RAID bus controller [0104]: LSI Logic / Symbios Logic MegaRAID SAS 2108 [Liberator] [1000:0079] (rev ...
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6k views

megacli unconfigured(bad) disk status

megacli tell me, there is an issue with one of my disk. Howerver, I am not sure that this disk actually exist. Here is megaclisas-status info : -- Controller information -- -- ID | H/W Model ...
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1k views

MegaRAID Controller HDD Not Supported

I'm used to have a LSI MegaRAID Controller with 2 SSDs and 8 Western Digital HDDs. Recently I decided to add another 8 Western Digital HDDs - all 8 TB each - to create a new RAID 5 array. I hot-...
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281 views

megacli all the Disks in a VD(RAID 6) are missing

I have a server with LSI MegaRAID SAS 9286CV-8e. After an incident, this server which 4 VDs(RAID 6) only 2 are back. When I scan for foreign configurations it says 3 foreign configurations found. But ...
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567 views

MegaCli won't rebuild when set to hotspare

I recently inserted a new drive and marked it as Good. When I then set it to be a Hot Spare, it refuses to rebuild. [root]# MegaCli -PDList -aALL| grep Firm Firmware state: Online, Spun Up Firmware ...
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1k views

MegaCli reports an inconsistent number of physical disks

First, here's the abridged version of my question. I have a blinking red light on a drive in a RAID array and although MegaCli doesn't report any disk failures or warnings, some MegaCli commands show ...
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1answer
842 views

MegaRAID: what does “Is VD emulated: No” mean

When executing "MegaCLI -LdInfo -LdAll -a0", some of my servers report a property "Is VD emulated: No", and some report "Is VD emulated: Yes". I could not find an explanation for this setting, or how ...
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8k views

Does enabling JBOD mode on LSI based controllers affect existing logical disks/arrays?

I've got an LSI2208 integrated raid controller on a Supermicro X9DRH server board. It currently has a Logical Drive (LD) composed of 4 spinning disks. Now I want to add some more drives in JBOD, to ...
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564 views

LSI Megaraid add a disk in RAID 0 besides a configured RAID 10 array

We have an active RAID 10 with four disks. Now we want to add one disk in RAID 0 to the adapter. This is the current configuration: # megacli -LDInfo -Lall -Aall Adapter 0 -- Virtual Drive ...
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612 views

How to create degraded raid6 array using megacli

There is a server with few disks. And - a new server with PERC controller. I would like to migrate existing data into a new server to raid6 which uses 6 disks(4+2). Unfortunly - i don't have enought ...
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1answer
5k views

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,...
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251 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 ...
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1k views

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 ...
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2k 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 "...
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1answer
6k 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-...
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1answer
907 views

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' ...
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6k 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 ...
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1answer
3k views

How can I reduce LSI raid array without data loss

I have a server with 8x SAS drives attached to hardware LSI RAID controller (MegaCli64) and all 8 drives are configured as single RAID 10 array. I now want to remove 2 drives and replace them with ...
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9k views

MegaCli Using write through instead of write back

My DB server is a dell r710 with megacli. Recently was getting poor performance from the database and stumbled across that the current cache policy is WT but the default cache policy is WB. # ./...
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20k views

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 ...
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154 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", ...
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3k views

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 ...
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2k 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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5answers
10k views

RAID level confusion (MegaCli vs megasasctl output)

I'm utterly new to working with LSI MegaRAID controllers and I'm confused as to what RAID level I am actually running. My server is equipped with 4 disks, 4TB each and I would like to have them ...
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1answer
8k views

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 ...
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2k views

running commands on physical drives on different backplane with megacli

So when I run "MegaCli64 -PDlist -aALL -NoLog | egrep 'Slot|state|Inquiry|Enclosure'" to grab a list of disks and their status. I can see a total of 36 disks. The issue is that they have the same slot ...
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5k views

MegaCli64 -PDInfo shows drive but other commands says device does not exist

A drive recently went missing on our IBM server. It has happened on other servers in the past and I usually just replace them with out a problem. On one it is not automatically adding the new drive. ...
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3answers
2k views

LSI Cachecade Pro 2.0 with RAID10 SSD Cache?

I'm trying to add a RAID10 SSD Cache to a VD by this command: [root@livecd storcli]# ./storcli64 /c0 add vd cachecade type=r10 drives=252:4,252:5,252:6,252:7 assignvds=0 Controller = 0 Status = ...
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1answer
2k views

MegaCLI / MegaRAID Drive Groups

In the MegaRAID SAS Software User Guide it is stated that a Drive Group includes one or more virtual drives. An excerpt from the document is: "A virtual drive is a partition in a drive group that is ...
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1answer
1k views

MegaCli: when did a drive fail?

Using MegaCli64, is there a way to find out when a hard disk failed? I.e., /opt/MegaRAID/MegaCli/MegaCli64 -ShowSummary -aALL shows Connector : Int.Ports 0-3<Internal><...
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1answer
4k views

Should I enable “Patrol Read” on SSD drives?

LSI, Intel and Dell RAID controllers (perhaps others) have a "Patrol Read" feature to try to spot when a drive is failing before it completely fails. LSI seems to disable patrol read on SSD by ...
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1k views

Expand Raid 10 set on MegaRAID LSI 9261-8i

I have an existing Raid 10 drive with 8 drives. 4 in each span. I can't figure out how to expand the set by adding two more drives, one to each span. I'm using the MegaCLI command line tool. I ...
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5k views

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" ...