0
votes
2answers
95 views

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 ...
1
vote
0answers
48 views

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
0answers
25 views

megaraid drives are failing to add and giving invalid parameters error

I am trying to add a couple of RAID 5 arrays to my second adapter. Adapter 0 is two disks in a raid 1 which is running the OS. This seems to be working fine. Attempting to add the second array gives ...
0
votes
2answers
36 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 ...
0
votes
0answers
22 views

Why MegaCli always returns blank?

Similar to this question (MegaCLI always returns blank output) with some differences. I am using perc h710p raid controller on Dell Ubuntu box. I download 1.01.39_Linux_Cli.zip (according to ...
3
votes
1answer
44 views

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
0answers
116 views

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 ...
2
votes
4answers
845 views

LSI RAID: Write cache policy affects read performance?

I have a server with a LSI MegaRAID SAS 9260-4i controller, RAID-5 with 3 x 2 TB disks. I did some performance testing (with iozone3) and the numbers show clearly that the write cache policy affects ...
1
vote
1answer
233 views

Perc battery shown as missing

I replaced a failed battery in a Perc 5/i. The original and replacements are the same DLU8735 model. I couldn't find any special battery replacement procedures in the manual, so I just turned the ...
0
votes
1answer
99 views

LSI Megaraid 150-6 as regular SATA controller

I have an old but reliable server board that does not have any SATA ports on it. Also i have LSI Megararaid 150-6 (with latest firmware) which i want to use as ordinary "dumb" SATA controller. I ...
0
votes
2answers
299 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 = ...
2
votes
3answers
1k views

LSI MegaRAID Expected Chip Temperature?

We recently built a replicating SAN array from 2x Dell R720XD's, we are using LSI 9270-8i MegaRAID cards with CacheCade 2.0, BBU and Write Back cache enabled. Our cards are showing HUGE chip ...
2
votes
1answer
653 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 ...
-6
votes
2answers
172 views

Possible to build a RAID 1 with only one drive with LSI 9260-4i? [closed]

I have a LSI 9260-4i RAID card plus 1x 300GB Drive. My issue is I have to ship out the server for the 2nd drive to be installed onsite. Can I configure a RAID 1 with only 1 drive, and plug in the ...
3
votes
3answers
3k views

Configuring RAID 10 using MegaRAID Storage Manager on an LSI 9260 RAID card

Using MegaRAID Storage Manager 13.04 on an LSI 9260 RAID card, which is the correct way to create RAID 10 using 8 drives with maximum redundancy? There appears to be multiple ways to reach the same ...
4
votes
2answers
251 views

megaraid: Logical Drives at different RAID levels

I am currently using a SuperMicro machine that has an on-board LSI 2208 controller (MegaRAID class). I want to create a single array from two drives and then carve that up into: one RAID1 100GB ...
2
votes
1answer
2k views

LSI MegaRAID : what does “transient error detected while communicating with PD : -:-:1” mean?

I've got a LSI MegaRAID 9260-16i card running in a server, and it keeps logging the error Controller ID: 0 Transient error detected while communicating with PD: -:-:1 I can't find anything about ...
0
votes
1answer
62 views

How to find out the amount of sectors available in a RAID physical disk for replacement?

So, to start with, let me confess I have no knowledge of RAID besides what I read in a few APC mags 5 years back and what the acronym stands for. Everything I know now comes from assumptions and the ...
1
vote
1answer
148 views

How do I banish desktop alerts on an LSI MegaRAID-equipped Win 2008 installation?

A bit of background - recently we've been upgrading Win2003 systems to Win2008, and all of these servers have an LSI RAID controller card installed. The previous system image had popup and email ...
1
vote
0answers
183 views

Possible bad raid card / hard disks (LSI 9261-8i)

I am in a bit of bad spot at the moment, i have a dedicated server hosted by someone else, it has a LSI 9261-8i raid card installed, attached is: 3x300GB SAS 15K rpm disks (in RAID5) 5x2TB SATA ...
0
votes
3answers
780 views

MegaRAID Storage Manager Error 1920 “Service MRMonitor (MegaMonitorSrv) failed to start.” on Windows Server 2003 R2 x64

I'm trying to install the MegaRAID Storage Manager 8.10 provided by SUPERMICRO, but I keep getting an error 1920 that "Service MRMonitor (MegaMonitorSrv) failed to start. Verify that you have ...
3
votes
1answer
809 views

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 ...
7
votes
2answers
4k views

LSI 9285-8e and Supermicro SC837E26-RJBOD1 duplicate enclosure ID and slot numbers

I am working with 2 x Supermicro SC837E26-RJBOD1 chassis connected to a single LSI 9285-8e card in a Supermicro 1U host. There are 28 drives in each chassis for a total of 56 drives in 28 RAID1 ...
0
votes
2answers
547 views

MegaRAID SAS 8208XLP

I'm just wondering whether anyone knows if I can use a Debian distro with the MegaRAID SAS 8208XLP controller. Currently at the moment LSI only supply drivers/support for RHEL/CentOS but I was ...
3
votes
1answer
563 views

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 ...
1
vote
1answer
6k views

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 ...
1
vote
5answers
1k views

MegaCLI always returns blank output

This server is a Dell R200 running Ubuntu 8.04LTS using a LSI SAS1068E raid card supplied from Dell, I suspect that there might be some kind of RAID issue with the hardware raid built into the ...
4
votes
1answer
5k views

What's a “battery relearn” on a LSI MegaRaid?

Our file server just started mailing us about how its battery backup is draining and it's switching from WB to WT mode and so on. I looked through its logs and found that it is configured to ...