Cisco UCS // task "Remove IPAddress Reservation"

Hello UCSD community,
i"m starting to work with USCD for 2 weeks now .. and its not easy !
-- version 4.1.0.4
i have created some "Public IP pools " ; I'm able to assign IP address from this Pool without issue;
but when i'm trying to unassign this pool with using user input , this is not working...
- tested with using inout Type "ipaddress", "gen_text_input", "StaticPoolIP" without success..
the task is correclty executed, but the IP pools is not deleted.
Jul 18, 2014 13:33:16 UTC Request submitted
Jul 18, 2014 13:33:22 UTC Executing workflow item number 1
Jul 18, 2014 13:33:22 UTC Completed workflow item number 1, with status Completed
Jul 18, 2014 13:33:28 UTC Executing workflow item number 2
Jul 18, 2014 13:33:28 UTC Trigger context executeWorkFlowStep called
Jul 18, 2014 13:33:28 UTC Executing custom action testip (Remove IPAddress Reservation)
Jul 18, 2014 13:33:28 UTC Executing custom action testip (Remove IPAddress Reservation)
Jul 18, 2014 13:33:28 UTC Task #1 (testip (Remove IPAddress Reservation)) completed successfully in 0 seconds
Jul 18, 2014 13:33:28 UTC Input/Output values for Task #1 (testip (Remove IPAddress Reservation)):
Jul 18, 2014 13:33:28 UTC [Mapped Input: Reserved IPAddress = 1.1.1.1]
Jul 18, 2014 13:33:28 UTC [Output: IPAddress = 1.1.1.1]
Jul 18, 2014 13:33:28 UTC Completed workflow item number 2, with status Completed
Jul 18, 2014 13:33:34 UTC Executing workflow item number 3
Jul 18, 2014 13:33:34 UTC Completed workflow item number 3, with status Completed
any idea ?
in advance, thnaks
fab

Hi,
ConfigMgr Driver Injector
This tool will allow you to capture installed drivers on your workstations and then will automatically import them in ConfigMgr 2012.
http://gallery.technet.microsoft.com/ConfigMgr-Driver-Injector-aae7d17d
Hope it will help you.
We
are trying to better understand customer views on social support experience, so your participation in this
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Thanks for helping make community forums a great place.

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http://www.hp.com/wwsolutions/misc/hpsim-helpfiles/simsnmp.pdf

Please post "debug ccsip messages".
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Welcome to this Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about Cisco UCS Troubleshooting Boot from SAN with FC and iSCSI with Vishal Mehta and Manuel Velasco.
The current industry trend is to use SAN (FC/FCoE/iSCSI) for booting operating systems instead of using local storage.
Boot from SAN offers many benefits, including:
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Redeployment of servers caused by hardware failures becomes easier with boot from SAN servers.
SAN storage allows the administrator to use storage more efficiently.
Boot from SAN offers reliability because the user can access the boot disk through multiple paths, which protects the disk from being a single point of failure.
Cisco UCS takes away much of the complexity with its service profiles and associated boot policies to make boot from SAN deployment an easy task.
Vishal Mehta is a customer support engineer for Cisco’s Data Center Server Virtualization TAC team based in San Jose, California. He has been working in the TAC for the past three years with a primary focus on data center technologies such as Cisco Nexus 5000, Cisco UCS, Cisco Nexus 1000v, and virtualization. He has presented at Cisco Live in Orlando 2013 and will present at Cisco Live Milan 2014 (BRKCOM-3003, BRKDCT-3444, and LABDCT-2333). He holds a master’s degree from Rutgers University in electrical and computer engineering and has CCIE certification (number 37139) in routing and switching and service provider.
Manuel Velasco is a customer support engineer for Cisco’s Data Center Server Virtualization TAC team based in San Jose, California. He has been working in the TAC for the past three years with a primary focus on data center technologies such as Cisco UCS, Cisco Nexus 1000v, and virtualization. Manuel holds a master’s degree in electrical engineering from California Polytechnic State University (Cal Poly) and VMware VCP and CCNA certifications.
Remember to use the rating system to let Vishal and Manuel know if you have received an adequate response.
Because of the volume expected during this event, our experts might not be able to answer every question. Remember that you can continue the conversation in the Data Center community, under subcommunity Unified Computing, shortly after the event. This event lasts through April 25, 2014. Visit this forum often to view responses to your questions and the questions of other Cisco Support Community members.

Hello Evan
Thank you for asking this question. Most common TAC cases that we have seen on Boot-from-SAN failures are due to misconfiguration.
So our methodology is to verify configuration and troubleshoot from server to storage switches to storage array.
Before diving into troubleshooting, make sure there is clear understanding of this topology. This is very vital with any troubleshooting scenario. Know what devices you have and how they are connected, how many paths are connected, Switch/NPV mode and so on.
Always try to troubleshoot one path at a time and verify that the setup is in complaint with the SW/HW interop matrix tested by Cisco.
Step 1: Check at server
a. make sure to have uniform firmware version across all components of UCS
b. Verify if VSAN is created and FC uplinks are configured correctly. VSANs/FCoE-vlan should be unique per fabric
c. Verify at service profile level for configuration of vHBAs - vHBA per Fabric should have unique VSAN number
Note down the WWPN of your vhba. This will be needed in step 2 for zoning on the SAN switch and step 3 for LUN masking on the storage array.
d. verify if Boot Policy of the service profile is configured to Boot From SAN - the Boot Order and its parameters such as Lun ID and WWN are extremely important
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Step 2: Check at Storage Switch
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b. Verify the switch port connecting to UCS is UP as an F-Port and is configured for correct VSAN
c. Check if both the initiator (Server) and the target (Storage) are logged into the fabric switch (command for MDS/N5k - show flogi database vsan X)
d. Once confirmed that initiator and target devices are logged into the fabric, query the name server to see if they have registered themselves correctly. (command - show fcns database vsan X)
e. Most important configuration to check on Storage Switch is the zoning
Zoning is basically access control for our initiator to targets. Most common design is to configure one zone per initiator and target.
Zoning will require you to configure a zone, put that zone into your current zonset, then ACTIVATE it. (command - show zoneset active vsan X)
Step 3: Check at Storage Array
When the Storage array logs into the SAN fabric, it queries the name server to see which devices it can communicate.
LUN masking is crucial step on Storage Array which gives particular host (server) access to specific LUN
Assuming that both the storage and initiator have FLOGI’d into the fabric and the zoning is correct (as per Step 1 & 2)
Following needs to be verified at Storage Array level
a. Are the wwpn of the initiators (vhba of the hosts) visible on the storage array?
b. If above is yes then Is LUN Masking applied?
c. What LUN number is presented to the host - this is the number that we see in Lun ID on the 'Boot Order' of Step 1
Below document has details and troubleshooting outputs:
http://www.cisco.com/c/en/us/support/docs/servers-unified-computing/ucs-b-series-blade-servers/115764-ucs-san-tshoot-00.html
Hope this answers your question.
Thanks,
Vishal

Cisco UCS Director Login Problem

Hello Community,
I have recently installed Cisco UCS Director 5.1. According to the documentation the initial login requirements are admin for username and admin for password, see image;
http://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/ucs-director/vsphere-install-guide/5-1/b_Installing_UCSDirector_on_vSphere_5_1/b_Installing_UCSDirector_on_vSphere_5_1_chapter_010.html
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Cheers
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Sergey,
If this is a real I2C issue, you may still see the same behavior on 2.0.x release if the I2C bus was not cleared before the upgrade. (in this moment I don't know if you recently performed an upgrade on the system or not)
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Try reseating the Fans and PSU, one at the time, leaving a minute in between and then, IOMs one at the time, leaving three minutes in between and begining with the subordinate to cause minimun disruption.
If this does not clear the situation, then you will need to remove one of the components already mentioned, one at the time and do a "show tech-support chassis # all brief" to see what the I2C bus reports segment by segment (chassis, Fans, PSUs...) once you remove a component and the errors on each segment stop incrementing you will have your faulty piece of hardware, and a TAC case will be needed to send a replacement.
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I realize that very likely vCAC is teh "main" management platform, while Cisco UCSD will handle the more "physical hardware" tasks.
REST API's will be leveraged as well.
What have you seen written and done in this space when using BOTH?
Please send me any thoughts or links to relevant data.
I am having a hard time locating good data so that I an advise the client in a good way.

Bahi,
just to illustrate what mess this is, I tested for you on Leopard (10.5) and Snow Leopard (10.6) using the same wide gamut monitor. Here are two screenshots from that experiment. I converted the screenshots from my display profile to sRGB to show you what I see and scaled down 50% (this is a 30" behemoth). First Leopard.
You see they are all the same, but different from the sRGB export you provided. The GB sticker is too blue and the tint on the car is wrong. I doubt anybody but a photographer would notice though.
Next is Snow Leopard:
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Just doing some quick googling I came across many mentions of issues such as this. It clearly is just a big mess.

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Hi
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See sample depiction below of applications and physical core usage on a server with 2 CPUs and 8 total physical cores. In white is the reservation of one physical core.
Regards.

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*The timestamp is from below to the top on both logs*
MAIN_POWER_PRS: Presence sensor, Device Removed / Device Absent was asserted
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bootordermgnt.cpp:1310:StoreDeviceCfg: Successfully renamed file: /mnt/jffs2/avct_ems_cfg/BMC_Data/BOOTDEV.DAT.bak to /mnt/jffs2/avct_ems_cfg/BMC_Data/BOOTDEV.DAT
bootordermgnt.cpp:2392:WriteBIOSDeviceCfg: Successfully renamed file: /mnt/jffs2/ConfigPolicy.xml.bak to /mnt/jffs2/ConfigPolicy.xml
bootordermgnt.cpp:1310:StoreDeviceCfg: Successfully renamed file: /mnt/jffs2/avct_ems_cfg/BMC_Data/BOOTDEV.DAT.bak to /mnt/jffs2/avct_ems_cfg/BMC_Data/BOOTDEV.DAT
bootordermgnt.cpp:2392:WriteBIOSDeviceCfg: Successfully renamed file: /mnt/jffs2/ConfigPolicy.xml.bak to /mnt/jffs2/ConfigPolicy.xml
bootordermgnt.cpp:1310:StoreDeviceCfg: Successfully renamed file: /mnt/jffs2/avct_ems_cfg/BMC_Data/BOOTDEV.DAT.bak to /mnt/jffs2/avct_ems_cfg/BMC_Data/BOOTDEV.DAT
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selparser.c:678: # 1D 03 00 00 01 02 00 00 DB F7 EF 54 20 00 04 25 05 00 00 00 08 00 FF FF # 31d | 02/27/2015 04:51:39 | CIMC | Entity presence MAIN_POWER_PRS #0x05 | Device Absent | Asserted
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video_trigger.c:262:Sending event_ipmi_power_state_change (OFF) .
WatchdogTimer.c:1467:Current Configuration of Watchdog timer is now stopped.
Pilot2SrvPower.c:466:Blade Power Changed To: [ OFF ]
<5>[se_pilot2_wakeup_interrupt]:2561:USB HS: VDD Power = OFF
<6>drivers/bmc/usb/usb1.1/se_pilot2_udc_usb1_1.c:2540:USB 1.1 is now disconnected.
<5>drivers/bmc/usb/usb1.1/se_pilot2_udc_usb1_1.c:2288:USB FS: VDD Power WAKEUP- Power Good = OFF
<7>[slp_state_isr]:117:Signals SLP3n[ Asserted ] SLP5n[ Asserted ]
<6>[platform_power_state_irq_handler]:18:VDD_PWR_GOOD: Deasserted
In the event viewer of the Windows Server 2012
This is the UCS specifications:
CPU 1: Intel(R) Xeon(R) CPU E5-2609 v2 @ 2.50GHz
CPU2: Intel(R) Xeon(R) CPU E5-2609 v2 @ 2.50GHz
Memory: 16 GB
There is something really itching, is it because I have Evaluation version of the Windows Server...?
Regards.

Ok, I feel kind of dumb now, I have checked the tech evaluation page on Microsoft, and if it's not connected to the internet it will not inherit the three months evaluation trial, which I thought would come activated already, and only allows you up to 10 days grace period with the rearm command .... :/
The process C:\Windows\system32\wlms\wlms.exe (WIN-UDPFG5O0K37) has initiated the shutdown of computer WIN-UDPFG5O0K37 on behalf of user NT AUTHORITY\SYSTEM for the following reason: Other (Planned)
Reason Code: 0x80000000
Shutdown Type: shutdown
Comment: The license period for this installation of Windows has expired. The operating system is shutting down.
This is what made me check it out today, I will connect it to the internet and let it activate... Meanwhile the command for the 10 days grace is:
Slmgr /rearm
Shutdown –r
Like always.

Cisco UCS Managment interface

Hi Dear
Which is the function of the management interface of a Cisco UCS server? Only monitoring ?
Best Regards

Hi,
The management interface present in the Cisco UCS C-Series is a out-of-band interface that provides to you access to Cisco Integrated Management Controller (CIMC) where you can perform all management/monitoring tasks related the hardware set.
You can find more information about the CIMC in this link:
http://www.cisco.com/c/en/us/support/servers-unified-computing/ucs-c-series-integrated-management-controller/tsd-products-support-series-home.html
Regards,
Richard

Windows 2008 R2 on Cisco UCS B200M networking problems

This is driving me completely nuts. Let me start by saying I am new to blade servers and Cisco UCS. I did take an introduction class, and it seemed straight-forward enough. I have a chassis with two B200M blades, on which I am trying to configure two Windows 2008 R2 servers, which I will eventually make Hyper-V servers. This is all in a test environment, so I can do anything I want to on them.
Right now I have installed W2008 directly on hard disks on the B200M hardware.
The problem is this: even though I think I've configured the network hardware correctly, using the Cisco VIC driver software, I cannot get networking to work in any reliable way. I cannot even get ping to work consistantly. I can ping my local server address, but I cannot ping my gateway (HSRP address). When I try, I get a "Reply from 10.100.1.x: Destination host unreachable (x being each particular server's last octet). I CAN, however, ping the individual IP addresses of the core switches. I can also ping some, but not all, the other devices that share the servers' subnet. There are no errors being generated, the arp tables (for those devices I can ping) look good, netstat looks OK. But I cannot get outside the local subnet...
Except when I can.
There are times when I can get all the way out to the Internet, and I can download patches from Microsoft. When it works, it works as expected. But if I reboot the server, oftentimes networking stops working. Yet another reboot can get things going again. This happens even though I've made no changes to either the UCS configs or the OS.
I cannot figure out any reason when it works at some times and not at others. I've made sure I have a native VLAN set, I've tried pinning to specific ports on the Fabric Interconnects. There is just no rhyme or reason to it.
Anyone know of where I can look? I'm very familiar with Windows on stand-alone boxes (although it's no longer my area of expertise), and I manage a global WAN (BGP, OSPF, Nexus 7k, etc.) so I'm no dummy when it comes to networking, but I am utterly stumped on this one.

The problem was this: while the NICs on the blade server are called vNIC0 and vNIC1, Windows was calling vNIC1 "Local Area Connection" and vNIC0 "Local Area Connection 2". So what I configured on UCS did not match what I was configuring in Windows. Completely, utterly ridiculous.
Anyway, networking is working now without any issues. Thanks for you suggestion; it did get me looking in the right direction.

Ask the Expert: Cisco UCS B-Series Latest Version New Features

Welcome to this Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about the Cisco UCS Manager 2.2(1) release, which delivers several important features and major enhancements in the fabric, compute, and operational areas. Some of these features include fabric scaling, VLANs, VIFs, IGMP groups, network endpoints, unidirectional link detection (UDLD) support, support for virtual machine queue (VMQ), direct connect C-Series to FI without FEX, direct KVM access, and several other features.
Teclus Dsouza is a customer support engineer from the Server Virtualization team at the Cisco Technical Assistance Center in Bangalore, India. He has over 15 years of total IT experience. He has worked across different technologies and a wide range of data center products. He is an expert in Cisco Nexus 1000V and Cisco UCS products. He has more than 6 years of experience on VMware virtualization products.
Chetan Parik is a customer support engineer from the Server Virtualization team at the Cisco Technical Assistance Center in Bangalore, India. He has seven years of total experience. He has worked on a wide range of Cisco data center products such as Cisco UCS and Cisco Nexus 1000V. He also has five years of experience on VMware virtualization products.
Remember to use the rating system to let Teclus and Chetan know if you have received an adequate response.
Because of the volume expected during this event, our experts might not be able to answer every question. Remember that you can continue the conversation in the Data Center community, under subcommunity Unified Computing, shortly after the event. This event lasts through May 9, 2014. Visit this forum often to view responses to your questions and the questions of other Cisco Support Community members.

Hi Jackson,
Yes its is possible. Connect the storage array to the fabric interconnects using two 10GB links per storage processor. Connect each SP to both fabric interconnects and configure the ports on the fabric interconnect as “Appliance” ports from UCSM
For more information on how to connect Netapp storage using other protocols like iSCSI or FCOE please check the url below.
http://www.cisco.com/c/en/us/products/collateral/servers-unified-computing/ucs-6100-series-fabric-interconnects/whitepaper_c11-702584.html
Regards
Teclus Dsouza

Problem on installing Solaris 10 on Cisco UCS-C24-M3S2 rack server.

I've got issue on installing Solaris 10 on Cisco UCS-C24-M3S2 rack server. Solaris 10 doesn't recognize UCSC-RAID-ROM55.

Hi dipaktimsina,
From the documentation below it looks like Solaris doesn't have support for the embedded raid controller with the ROM55 chip.
http://www.cisco.com/web/techdoc/ucs/interoperability/matrix/matrix.html
let me know if you have any questions and don't forget to rate any useful answers.

Cisco UCS Management Pack for System Center Operations Manager 2007 R2 Login Error

I have Cisco UCS 1.4 (3q) and just installed the MP v2.1 for Cisco UCS, however when I click on the "Management Pack Events" alert view in the SCOM console, there are error for event number 19900. The description of the error is as follows:
Description:
CISCO UCS R2 MP (https://10.x.x.x/nuova) [CISCO.UCS.R2.Proxy.LoadCache.ProbeAction.vbs] : CISCO UCS Login Error: Authentication failed (Code: 551)
I noticed that it's looking for the /nuova directory, but in order to login to our UCS environment, we usually just go to the IP address - so I'm wondering if that has something to do with it? I've verified that when going directly to the IP from Internet Explorer I can login using the opsmgr credentials we specifically created for this account. I've also gone through the process of creating a run-as account on the SCOM side and associated it with the correct profiles.
Any help is greatly appreciated.

Troubleshooting has found out its user error, wrong password configured.

Cisco UCS with FEX system Component requirements

Hi ,
I am looking for quick suggestion for required components to have a VMware vSAN implemented using FEX system with maximum Fabric trough put. Ideally a configuration for without multipath using single Fabric switch and later on to be able to upgrade to Multipath fabric.
We are in great rush to provide POC concept and was looking if you folks can suggest me on this. If need be you want to talk to me more in detail I can available.
Appreciate your help here.
Who can I reach to able to pull up build and quote the configurations for implementing complete UCS solution.
Are these below components absolutely required ?
2 x Nexus 2232PP 10GE Fabric Extenders
The Cisco Nexus 2232PP 10GE provides 32 x 10Gb loss-less low latency Ethernet and Fiber Channel Over Ethernet (FCoE) Small Form-Factor Pluggable Plus (SFP+) server ports and eight 10 Gb Ethernet and FCoE SFP+ uplink ports in a compact 1 rack unit (1RU) form factor. They enable Seamless inclusion of UCS rack servers into UCS Manager domain with UCS blade servers when connected to the UCS 6200 Fabric Interconnects, providing converged LAN, SAN, and management connectivity.
We currently have these below servers :
2 x UCSC-BASE-M2-C460
        524 GB RAM
        No SSDs
        No VIC Card
        4 x SAS 1 TB Drives
        1 x L1 Intel 1 Gbps Ethernet Adapter
        1 x L2 10Gbps Ethernet Adapter
        1 x LSI Mega RAID SAS 9240-8i (no RAID 5 support, Need a card that supports RAID5)
1 x UCSC-C240-M3L
        132 GB RAM
        30 TB SAS HDD
        1 x VIC Card
        1 x Intel I350 Gigabit Ethernet Card with 4 ports
        1 x LSI Mega RAID SAS 9240-8i (no RAID 5 support, Need a card that supports RAID5)
1 x 5548UP Nexus Switch ( Will I be able to use this switch in place of Nexus 2232PP 10GE Fabric Extenders to achieve complete UCS solution)

Cisco UCS Manager 2.2 supports an option to connect the C-Series Rack-Mount Server directly to the Fabric Interconnects. You do not need the Fabric Extenders. This option enables Cisco UCS Manager to manage the C-Series Rack-Mount Servers using a single cable for both management traffic and data traffic.
If you need high performance low latency (storage, for VMware VSAN), direct connection to UCS Fabric Interconnect and/or N5k is recommended.

Cisco UCS RAID SAS 2008M-8i Mezzanine Card Performance?

I recently purchased a UCS C220 bundle, which includes a Cisco UCS RAID SAS 2008M-8i Mezzanine Card. I'm planning on deploying this as a standalone server running XenServer 6.2 in the near future.
I'm happy with the unit and testing is good, but for one aspect. The disk IO throughput on it seems to be far short of what I expected. I have a desktop PC with an Intel DZ77GA-70K motherboard as a lab spare, and the disk IO I can achieve from that server with the same disks exceeds what the C220 seems to be able to achieve, on a consistent repeatable basis.
The testing I am doing is based around two benchmarks:
1. A 400G file copy between the two machines, over the network back-to-back to note the maximum sustained throughput, and
2. A mix of runs with 'sysbench' to mix of tests of local IO, of sequential and random reads and writes, with the command: "sysbench --test=fileio --file-total-size=150G --file-test-mode=seqrd --init-rng=on --max-time=300 --max-requests=0 run"
For #1, I run a copy to/from an HP MicroServer Gen8, which has 12TB of disk space on it in a Linux RAID0 configuration (4x3TB Seagate drives). If I copy files to or from this HP Server to the Intel DZ77GA-70K I am able to easily saturate the 1G network, achieving a sustained 960MBit/s for an hour or more at a time. If I then take the exact same SATA disks from the DZ77GA-70K, connect these into the UCS box and do the exact same network copy with the exact same OS, I'm only about to get around ~400-500MBit/sec of sustained throughput.
For #2, the test results of which are entirely local to the C220, come in around 105-110 MByte/sec on a sequential read, which drops to around 2 MByte/sec on a random read or write test. No surprise of the enormous drop - because random reads/writes are a pretty tough IO load, but I would expect sequential reading should be much better. I can get consistent sysbench seqrd results from the MicroServer of around 300 MByte/sec, for example.
I can consistently replicate this with Redhat 6.5, as well as Gentoo (running the latest linux kernel) as well as from a Xen 6.2SP1 Hypervisor install on the C220 (tested from the Dom0 domain itself, as well as a Linux guest) all 64 bit. Jumbo frames are enabled end-to-end also, and CPU is not bottlenecking. Latest firmware is installed on all components. The ucs-cxxx-drivers.1.5.4a.iso image states that for the Redhat and Xen systems, that the required drivers are included in the OS, so I don't need to worry about installing them separately. Presumably the Gentoo system has even newer drivers again because it has a very new kernel, but alas the throughputs are the same on all of those systems.
I have tried with SATA as well as a SAS drive, and the test results are also practically the same. All disks in all servers are Seagate 6.0 Gb/s units, and none of the servers are swapping to disk at any stage.
I am happy with network IO - I can completely saturate the 1G ports easily, and I'm convinced that's not a part of the problem here.
What could cause this sort of performance? Storage card logs in CIMC don't indicate anything is wrong and none of the OS's are indicating issues of any sort, but it certainly does seem something isn't right in that I'm getting significantly superior performance from a desktop motherboard and the MicroServer, than an enterprise grade server, when testing with the exact same hard drives.
Questions:
- Is the 2008M-8i card considered a low-end RAID card or should I be getting reasonable throughput from it? I was anticipating performance at least as good as a desktop motherboard, but this doesn't seem to be the case. The RAID card as a component is more expensive than an entire MicroServer or Intel Motherboard so it should run much better, yes?
- What sort of performance should I expect out of this card on a single sequential read or write?
- Can this RAID card run drives just as JBOD's or do all disks have to be initialised in an array (even if just a RAID0 array with 1 disk)? It seems if they are added to the server they do not show up to any OS until they are initialised as part of an array, although I haven't delved into the BIOS settings of the card itself (only from CIMC so far).
- I recall seeing something about best practice of having two virtual drives on these cards, what is the impact in running more, given the card certainly allows more to be created (I currently have 4 while I am testing)
- I noticed on Cacti graphs while rebuilding a RAID1 array that the CPU ran hotter while the array was being rebuilt, and cooled down once the rebuild had completed, which indicates the rebuild was using up CPU on the host hardware. Should this not have been entirely transparent to the system if the RAID activity is offloaded to this card, or is an increase in CPU to be expected?
I'm very keen to find out others experiences of this card, what people have done to get good throughput out of it, or if I should go back to a whitebox server with an Intel board :-)
Thanks,
Reuben

Hello Reuben,
I reached out to colleagues who are more knowledge on this topic and here is their response.
- Is the 2008M-8i card considered a low-end RAID card or should I be getting reasonable throughput from it? I was anticipating performance at least as good as a desktop motherboard, but this doesn't seem to be the case. The RAID card as a component is more expensive than an entire MicroServer or Intel Motherboard so it should run much better, yes? -
2008M-8i card is a entry/value card with an expected performance which is better than a software RAID. This card doesn’t utilise memory in a standard RAID 0/1 configuration.
- What sort of performance should I expect out of this card on a single sequential read or write? - We should expect around 1GB sequential read (refer link http://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/unified-computing/whitepaper_c11-728200.html)
- Can this RAID card run drives just as JBOD's or do all disks have to be initialised in an array (even if just a RAID0 array with 1 disk)? It seems if they are added to the server they do not show up to any OS until they are initialised as part of an array, although I haven't delved into the BIOS settings of the card itself (only from CIMC so far). -
This card can be used in JBOD mode. To enable JBOD mode you need to use MegaCLI commands. This option is not present as a default configuration.
Please note: Once we enable the JBOD mode – it cannot be reverted back to the default RAID mode setting.
- I recall seeing something about best practice of having two virtual drives on these cards, what is the impact in running more, given the card certainly allows more to be created (I currently have 4 while I am testing) -
This doesn’t apply for this card as it does not have any cache. Can you please point us to the document about best practice of having two virtual drives ?
- I noticed on Cacti graphs while rebuilding a RAID1 array that the CPU ran hotter while the array was being rebuilt, and cooled down once the rebuild had completed, which indicates the rebuild was using up CPU on the host hardware. Should this not have been entirely transparent to the system if the RAID activity is offloaded to this card, or is an increase in CPU to be expected? - Creating/Deleting/Modifying a RAID volume is a CPU independent operation.

Cisco UCS // task "Remove IPAddress Reservation"

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