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16
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3answers
2k views

How effective is LSI CacheCade SSD storage tiering?

LSI offers their CacheCade storage tiering technology, which allows SSD devices to be used as read and write caches to augment traditional RAID arrays. Other vendors have adopted similar ...
9
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1answer
1k views

Managing battery relearn cycles on LSI and similar RAID controllers

How do engineers deal with RAID controller battery "relearn" cycles? As noted in: What's a "battery relearn" on a LSI MegaRaid?, relearn cycle discharges the RAID controller battery ...
7
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2answers
3k 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 ...
6
votes
1answer
3k views

Why has VMWare ESXi 5 slow access to IBM M1015 / LSI 9240-8i RAID?

I am building server for virtualization and wanted to go with VMWare ESXi 5. I configured RAID10 on 4 disks connected to internal RAID controller IBM M1015 (identical to LSI 9240-8i) and installed ...
5
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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 ...
5
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2answers
1k views

LSI 9260-8i w/ 6 256gb SSDs - RAID 5, 6, 10, or bad idea overall?

We're provisioning a new production server for our reasonably busy website. Our choice of host have available a 6 drive configuration with a LSI 9260-8i card. My initial thought was to fill all six ...
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 ...
4
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2answers
2k views

S.M.A.R.T data from disks behind LSI MegaRAID Controller in ESXi 5.1

I was looking at ways to get S.M.A.R.T info and R/W stats from drives behind LSI MegaRAID controller (9260-4i) in ESXi 5.1. ESXi has a command "esxcli storage core device smart get" to get S.M.A.R.T ...
4
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2answers
220 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 ...
3
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3answers
2k 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 ...
3
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4answers
2k views

Severe write performance problem

[Sorry, I tried to stay short but it just was not possible] I'm running Linux 2.6.22.19 with linux-vserver 2.3.0.34 on a Fujitsu Siemens Primergy RX200 S3 for development purpose. Intel(R) Xeon(R) ...
3
votes
2answers
109 views

What to look for when buying a FiberChannel card?

I have a couple of these LSI arrays LSI Model 0834 LSI product name: 1932 LSI Product codename: Mary Jane Enclosure name: Shea (DM1300) End of Life: 31-Dec-2010 but I can't find any information ...
3
votes
1answer
31 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 ...
3
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3answers
321 views

How to understand the LSI HBA connector specs?

When reading the specifications for the LSi SAS 9206-16e HBA, it says Storage Connectivity; Data Transfer Rates * 16 ports; 6Gb/s SAS 2.1 compliant SAS Bandwidth * Half Duplex 2400MB/s, x4, ...
3
votes
1answer
208 views

Are PCIe v2 RAID controllers backward compatible with PCIe V1?

I am looking to add a PCIe V.2 RAID controller (LSI SAS 9280-4i4e) to an older Intel server (SR2500) which has PCIe V.1 slots. Does anyone have any experience with using RAID controllers designed for ...
3
votes
1answer
118 views

How to active HDD leds on HP MDS 600 / HP D6000?

I have a HP D6000 (sometimes called MDS 600) storage array, HP DL380p G8 with an LSI 9207-8e SAS adapter. When I am in the OmniOS (Solaris 10 fork), I can e.g. dd to one of the disks, but I don't see ...
3
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3answers
863 views

Disk wipe preferences

I manage a pool of systems that are loaded with software and sent to potential customers for evaluations which often land sensitive information on the drives. Before shipping them back, they typically ...
3
votes
1answer
1k views

Monitor LSI MPT disk status

I have some servers with RAID arrays based on LSI Logic MPT chips (specifically the SAS1068E). Currently the only way I'm aware of to get the disk status is to use the lsiutil program and view the ...
3
votes
1answer
775 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 ...
3
votes
1answer
553 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 ...
3
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4answers
1k views

Very poor SCSI hd performance on IBM x336 with LSI 1030 RAID1

I'm experiencing very poor performance on an IBM x336 server with dual 73GB 15k hard drives on a U320 controller, LSI 1030. We're getting maybe 3.5MB/sec max (per HD Tune utility). It should be over ...
2
votes
4answers
587 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 ...
2
votes
3answers
832 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
303 views

Does the Intel DX79TO motherboard support x8 devices (SAS HBAs) on PCIe x16 slots?

Context: I have an Intel DX79TO motherboard and a Sun SAS3081E-S/LSI 1060E-S HBA card with a PCIe x8 interface. I plug the HBA into my mobo next to my graphics card, and the HBA power lights ...
2
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1answer
1k views

for ZFS: passthru, I-T mode on LSI 9260-8i?

LSI 9260-8i firmware version 2.0x the controller menu does only have RAID: 0, 5, & 6 Solaris ZFS requires passthrough or Initiator-target mode to get direct access to disks.....how to get that ...
2
votes
2answers
1k views

Dell Perc 6/i Raid Monitoring on Linux 2.6.32-2x kernels

I am running an LSI raid (Dell Perc 6/i) on my Ubuntu 10.04 server. I want to monitor the raid array but it seems that there is no software for it. The raid drivers are part of the kernel, but I dont ...
2
votes
1answer
6k views

Splitting a raidctl mirror safely

I have a Sun T5220 server with the onboard LSI card and two disks that were in a RAID 1 mirror. The data is not important right now but we had a failed disk and are trying to understand how to do ...
2
votes
2answers
234 views

Strange performance issue with Dell R7610 and LSI 2208 RAID controller

Connecting controller to any of the three PCIe x16 slots yield choppy read performance around 750 MB/sec Lowly PCIe x4 slot yields steady 1.2 GB/sec read Given same files, same Windows Server 2008 ...
2
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1answer
1k 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 ...
2
votes
1answer
17 views

EPC mode on Seagate Constellation using Linux

I need to set EPC mode on Seagate Constellation disks connected to LSI 9690SA-4l controller. This is because the controller is not compatible with the disks unless the EPC mode is set – according to ...
2
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0answers
48 views

IBM M1115 and LSI 9211-8i IT mode

I have an IBM M1115 RAID Controller. It has 8 Seagate SATA drives connected to it using what I assume is a forward breakout cable (SFF-8087 to 4x SATA). When I power it up without flashing to LSI ...
2
votes
1answer
541 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 ...
2
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1answer
306 views

LSI RAID-on-chip with RAID6 over two SAS links goes red when HDD enclosure is powered cycled; how to recover?

I have a RAID6 array managed by LSI 9286-8e card. I also have Sans Digital 24-bay NexentaSTOR JBOD enclosure with SAS extender built-in. They are connected to separate UPS devices. Normally, I'd ...
2
votes
1answer
63 views

mount hardware raid disk 1 with one disk and no hardware raid controler

I have one of two raid disk (from LSI raid card) There is a way to mount it in a PC and access to the disk without the raid card? Maybe mounting or skipping the first bytes!? Thanks in advance. ...
2
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1answer
486 views

can't access SATA card config screen on boot, nor access the disks

We've just upgraded our file server using an ASUS P6T WS Pro board, running FreeBSD-RELEASE 8.2 and using zfs to manage 12 WD20EARS disks. Since our 3ware card has been giving us trouble we started ...
2
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2answers
1k views

Upgrading Raid Card - import configuration - Perc 5

I am upgrading my Perc 5 to a Perc 5i (allegedly lets me have hot spares and power management). When I put the 5i card in and connect the drives, it does not recognise the previous RAID ...
2
votes
1answer
2k views

RDAC MPP driver erratic path fail-over errors

In my central syslog I can see a some instances ofo the following error from LSI's RDAC multi-pathing driver for Linux. [RAIDarray.mpp]MY_NICE_STORAGE_ARRAY:1:0:7 Cmnd-failed try alt ctrl 0. vcmnd SN ...
1
vote
3answers
3k views

Will RAID 00 give a performance increase over RAID 0?

According to this IBM page, RAID level-x0 allows more physical drives in an array. The benefits of doing so are larger logical drives, increased performance, and increased reliability. So say, ...
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3answers
482 views

Why is the 9650SE RAID1 not showing the full size of the disks?

This is a follow-on to How can I grow a 3Ware 9650SE RAID1 under ESXi 5.0? I've successively replaced 1TB drives in my RAID1 with 2TB drives hoping that I can grow the datastore I've got in ESXi 5.0. ...
1
vote
1answer
170 views

How many RAIDs per RAID controller

I am going to build a SQL server and I need to have four independent RAID 10s. I am looking at different RAID controllers to choose from. For instance I am looking at LSI 9260-8I but I cannot figure ...
1
vote
1answer
5k 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
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1answer
196 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 ...
1
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1answer
5k views

LSI RAID monitor reports “Consistency Check inconsistency logging disabled”

I have a server with a LSI MegaRAID 9261-8i controller. Recently I started getting alerts like this one: Controller ID: 1 Consistency Check inconsistency logging disabled, too many ...
1
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1answer
38 views

LSI Raid 5 with 2 disks “not synced”

I have a system with a LSI 1064e SAS raid. The system is not booting, and when I enter the raid configuration utility, It says, that has 2 disc "Not synced". I didn't find the option to resync them, ...
1
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2answers
256 views

SSDs, Hardware RAID, and TRIM

I was told by my datacenter that all HW raid, specifically the LSI 9260-4i hardware RAID controller, does not support SSD TRIM command. My question is, are there severe longevity/speed issues due to ...
1
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2answers
4k views

LSI Storage Manger for Windows PERC H700 Controller

I have a PERC H700 controller from Dell which appears to be a re-badged LSI 9260-16i raid card. I looked in the download link from LSI, but it only has the MegaRaid Storage Manager for Linux. MegaCLI ...
1
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2answers
801 views

Monitor LSI 1068e RAID1 mirror status on Windows server?

Assuming that a client has an existing Windows 2008 server with a hardware RAID1 mirror built on an LSI 1068e SAS controller, what is a non-interactive way to monitor the array's status such that an ...
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0answers
62 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 ...
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0answers
53 views

How to change SAS address on Expander

I have the following setup - two supermicro backplane attached to one controller LSI SAS 9207-4i4e and unfortunately cannot access the disks, during boot there are disks only in one backplane, the ...
1
vote
2answers
103 views

Move raid10 from LSI 9750-8i to 3ware 9650SE-8LPML

This is a little risky task I want to try. I have a 4 SATA III disks RAID10 array running on LSI (former 3ware) 9750-8i controller with BBU (read and write cache enabled). In case of hardware failure ...