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Questions tagged [lsi]

LSI is a manufacturer of enterprise storage and networking components.

LSI is a manufacturer of enterprise storage and networking components.

250 questions
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9 answers

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 temperatures (97*C+ with NO disk activity!). Our R720's…
Myles Gray
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1 answer

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 data from drives but it doesn't work for disks…
user1189899
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3 answers

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 amount of expected disk space. Spanned Drive Group…
lunitin
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2 answers

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 bays with SSDs (Intel 520 256gb) and set them up in…
Michael Pearson
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1 answer

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 ESXi without any problems. Only problem is that…
tssk
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1 answer

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 automatically do this periodically. It's called "battery…
scobi
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1 answer

LSI Megaraid: Samsung 850 Pro SSD can't modify "disk cache policy"

I have a LSI Megaraid 9271-8i using 6x samsung 850 pro SSDs and I can't modify the "disk cache policy" it's greyed out in the properties for any virtual disks. Why is this, the 850 pros are listed in the compatibility matrix? Is this having a…
user273074
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5 answers

"Failed to initialize PAL." while upgrading an LSI 9211-8i to IT?

When attempting to flash my LSI SAS 9211-8i card on my ASUS H87I-PLUS LGA 1150 Intel H87 Mini ITX Motherboard, I was able to get through all of the instructions until I was finally ready to flash, using SAS2FLSH.exe. The error reported was: ERROR:…
aronchick
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5
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3 answers

ZFS cksum errors on LSI 9207-9i (SAS2308) with Samsung 850 Pro SSDs

I am testing an LSI 9207-8i controller with 8x Samsung 850 Pro 256GB SSDs attached. SSDs are running latest firmware EXM02B6Q, controller is running P17 and has exhibited same issues with P19. Server RAM is ECC and have been testing in mirrored…
Christopher King
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5
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2 answers

How does LSI MegaRAID actually lay out RAID10 sets?

I'm trying to set up a RAID10 set on an LSI MegaRAID controller. It is unclear to me how the RAID controller will actually lay out the RAID set on the physical drives. Part of the problem is that MegaRAID seems to use terms very inconsistently; the…
wfaulk
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2 answers

Mixing 3.5 hdd and 2.5 hdd in LSI RAID 1

An existing LSI raid is using 2 3.5 7200rpm drives. I would like to replace one of the drives with a 2.5 5400rpm drives. Is this ok? If performance is lowered, it is ok for me.
peter chan
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1 answer

Pause/stop/undo RAID6 migration (disk addition) in storcli

I'm working with a Supermicro SMC2208 raid controller. To increase the capacity of a large RAID array, I decided to add two additional disks using storcli. storcli /c0/v0 start migrate type=raid6 option=add drives=2:12,2:14 The problem is, I did not…
isarandi
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2 answers

Mixing SAS 6Gbps and 12Gbps on same expander

We are building up some new servers and want to use 12Gbps SAS3 drives alongside some SATA 6Gbps Enterprise SSD's attached to a single Supermicro SAS3 backplane using an LSI SAS3 Expander and LSI / Broadcom 9361-8i RAID Controller with CacheCade Pro…
ausip
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4
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1 answer

Poor performance with Linux software raid-10

I have a machine with an 8 channel LSI SAS3008 controller chip, and individual drive testing shows I can write to any disk or all disks at between 174 MB/sec and 193 MB/sec with a sustained write speed: This is the output from the command dd…
Michael Graff
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0 answers

Get disk serial number by smartctl under raid0 of LSI

I'm trying to get the disk serial number of disks attached to the Centos server. When there was no raid0 (under LSI), I can get the serial number and model of /dev/sdb by: smartctl -i /dev/sdb and the output is: smartctl 5.43 2012-06-30 r3573…
coanor
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