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1answer
27 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 ...
-1
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0answers
25 views

Changing default cache policy online on LSI Megaraid

I am having a RAID 10 with 6 Harddiscs in my server. I had set the default cache policy to write through. After setting up the OS, i came to know the I/O rates are too slow. I read in some forums that ...
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0answers
11 views

How to monitor CacheCade with MegaCli?

I configured the following virtual device for CacheCade: # MegaCli -LDInfo -L1 -aALL Adapter 0 -- Virtual Drive Information: CacheCade Virtual Drive: 1 (Target Id: 1) Virtual Drive Type : ...
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0answers
66 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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4answers
292 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
365 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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0answers
118 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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1answer
171 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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2answers
222 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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0answers
151 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 ...
0
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1answer
102 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 ...
2
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1answer
542 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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0answers
184 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 ...
2
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0answers
942 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" ...
2
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1answer
1k views

How to create Raid 10 with megacli

I have OpenFiler storage server. Without installing Windows and MSM, I want to create raid10 array from disks 2 to 21. I have already successfully installed MegaCli to OpenFiler but I'm stuck in ...
0
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1answer
382 views

Enabling Temperature Support on LSI MegaRaid Cards

I've got two IBM ServeRAID M5014 SAS/SATA Controller cards in two different machines. One reports drive temperatures, the other does not. I am hopping that it is some type of megacli option that I can ...
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0answers
66 views

Detecting a newly configured raid array without restarting

So, I created a 4-drive raid10 array on an LSI card (9285-8e) via megacli: # megacli -CfgSpanAdd -R10 -Array0 [252:4,252:5] -Array1 [252:6,252:7] -a1 This completed fine, and I see the device in ...
0
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1answer
320 views

MegaRAID - changing cache policy online

I would like to perform some tests with WriteThrough and WriteBack. Is it safe to change these settings on a production system? The RAID controller doesn't have a BBU so I would like to enable ...
1
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0answers
166 views

MegaCli refuses to configure new disk

A drive went bad on one of my nodes (actually 3 went bad, but there was no problem replacing the first one). following replacement of the drive, [root@ MegaCli]# ./MegaCli64 -PDList -aALL | egrep ...
0
votes
1answer
990 views

MegaCLI causes drive “Other Error”

I am having an issue where running "megalci -PDList -aAll" will cause an Other Error to be logged for 2 of the 6 discs in a pair of servers I have. Here is that again in more detail. I have two ...
2
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1answer
994 views

Bad Blocks Exist in Virtual Device PERC H700 Integrated

I have a DELL server with PERC H700 Integrated controller. I've made RAID5 with 12 harddrives and the virtual device is in Optimal state, but I receive such errors under linux: sd 0:2:0:0: [sda] ...
3
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1answer
203 views

Added drive to PERC6/i raid5 array instead of replacing - is there a way to fix this?

This is a 3 drive RAID5. The disk in slot 1 failed. After the disk was replaced, I ran: MegaCli64 -LDRecon -Start -r5 -Add -PhysDrv[32:1] -L0 -a0 Obviously that was not the correct command as now ...
1
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1answer
228 views

MegaCli newly created disk doesn't appear under /dev/sdX

After having successfully added 2 new disks in a new RAID virtual drive (background initialization done), I would have exepected it to appear under /dev/sdh but it's not there (so, unusable). The ...
0
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1answer
250 views

megacli64.exe manual

Is there any document that explains the command line switches of megacli better than the cryptic output of megacli64 -h ? The machine is an IBM x3650 m3 to which I added three more disks.
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2answers
491 views

How to I know hard disk members of any Virtual Disk LSI RAID with MEgaRaid

i get a machine with a LSI MEgarad card. I know what Virtual Diska has: Adapter: 0 Product Name: LSI MegaRAID SAS 9260-4i Memory: 512MB BBU: Absent Serial No: SV11807006 ...
3
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3answers
4k views

How to interpret this output from MegaCli?

/opt/MegaCli -CfgDsply -a0 | less RAID Level : Primary-1, Secondary-3, RAID Level Qualifier-0 Almost positive this is not running a RAID3, my guess is a RAID 10, where "Primary" means ...
3
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1answer
753 views

Reset MegaCLI error count

I have a system where MegaCli64 -PdList -a0 shows media errors on one disk. After investigating the errors, I've decided not to take any action for now. I'd like to reset the error count, so that ...