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Questions tagged [megaraid]

200 questions
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How do I remove a failing disk from a LSI MegaRAID disk group?

One of the disks in group 0 (EID:Slot 252:4, DiskID 12) is starting to fail it's smart tests: 1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 1837 200 Multi_Zone_Error_Rate 0x0008 200 200 000 Old_age…
Aaron Digulla
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ESXi 6.7 monitor hardware storage not showing usual results

Yesterday 2 of our ESXi hosts were updated from 6.5 to 6.7 (build 8169922), though after doing this we noticed a few quirks when trying to access the storage hardware monitoring. In the web UI typically we'd only see elements listed for the…
Adambean
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How to identify disk make and model attached to a MegaRAID controller?

I have a system with a LSI MegaRAID SAS 9271-4i and some attached disks in a RAID 10 configuration. I don't have physical access to the system but I have root access via SSH. Various tools - lspci, lshw, lsscsi, smartctl - are only able to show me…
Jean-Paul Calderone
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StorCLI: storcli show and "Hlth: Opt": how exhaustive is this?

I'm working on a script using StorCLI (Ver 1.21.06). When I run: ./storcli show I get (abbreviated): Status Code = 0 Status = Success As well as: Hlth: Opt Q1. I'm curious to know what the Status/Status code actually means: does this have…
gravyface
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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 files running badblocks reports some bad…
James
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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 raid1 without losing the data on the first disk Is…
Antony Matsoukas
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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 "global hot spare" drives, and one very strange…
user167684
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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 access, the other has only write access (it is a…
nn4l
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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 = Failure Description = Unsupported RAID level In the…
ispirto
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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 made up of contiguous data segments on the drives.…
agshe
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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 default but allows you to turn it on if desired via…
ck_
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Migrating RAID6 array from HP SmartArray P600 to LSI MegaRAID SAS 8888ELP

My customer has an external RAID6 array (8x 1TB in HP MSA60 enclosure) attached to HP SmartArray P600 controller. They have now decided to replace the server and the new one comes with LSI MegaRAID SAS 8888ELP. The HW supplier insists the migration…
MLu
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Megaware Raid 10

I have 22 disks and would like to create a Raid 10. Unfortunately my raid controller (MegaRAID SAS 9260-8i) is only capable to handle 8 arrays within a RAID 10. Because of that I could only use 16 disks in a 2 disks per array configuration. I've…
Philip
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Now to manage an LSI 9261-8i in vSphere 4.1, or a good alternative RAID card?

I've been struggling with a new VMware server we recently got. Everything installed fine, but I'm unable to manage the RAID card. The built-in monitoring works (kind of), but I need to manage it, not just monitor it. LSI support has been little…
Josh
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LSI MegaRaid warning: Patrol Read can't be started

We run a HyperV server on RAID-6 (the OS is Windows Server 2008 R2). The hardware is LSI MegaRaid SAS 8704EM2 controller, with 4x 1TB WesternDigital SATA drives. The server is up & running on this hardware for 4 months already. Every week however,…
Soonts
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