Questions tagged [controller]

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46 views

Activate license on cisco wireless controller

I have a Cisco Model 2504 wireless controller. I currently have 7 access points using the controller. I have purchased a new wireless access point, model AIR-CAP3702I-A-K9. I purchased a license to ...
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0answers
69 views

Domain misconfiguration when loggging in to Samba 4.5 AD DC

I have set up a Samba 4.5 as a Domain Controller, I have added to AD a Windows 10 computer and a Windows 7 computer and a user and I can login from the windows computer. Relevant info: My domain is ...
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1answer
276 views

GCE NGINX Ingress does not use controller

I've installed nginx ingress using helm on Google Cloud Kubernetes. The service, controller and default backend are up and running and I can perform a GET request on the /healthz endpoint. However, ...
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1answer
62 views

How is data transferred over RAID Controller?

in my server I have PCI RAID Controller PERC 6i, it has two cables connected to SAS Backplane. one is mentioned with CTRL 1 (connected to J_SAS_A), and the other CTRL 0 (connected to J_SAS_B). The ...
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158 views

Which USB controller is device plugged into on ESXi host

I need to pass through a USB controller (not just the USB device) to a guest on an ESXi 6.7 host. Is there a way (without trial and error) to determine which controller a device is plugged into? So ...
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1answer
26 views

Is there a mapping of USB Flash Drives to Fat32 / NTFS / Ex-Fat?

I am helping with documentation for a hardware product that is compatible with Fat32 Formatted USB sticks. Instead of saying "Fat32" and confusing users who may not be tech-savvy, we'd like to provide ...
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1answer
64 views

Disk/Controller Performance Comparison

Since 2012 Iam using the HP Proliant Dl385 G7 with Smart Array P410i. 2xAMD Opteron 2.4GHz, 24 Cores System Disk C: 2xSAS 15k in RAID1 Some time ago I purchased a new HP Proliant Dl380 G9 with Smart ...
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1answer
426 views

Monitor the Garbage Collector of an SSD

The SSD controller triggers the garbage collection routines on a specific ship or block when a certain threshold of either invalid pages or written pages is met, based on the GC policy (my guess is ...
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817 views

How to configure HP MSM720 with multiple VSC from which one has IGMP possibility

I have one really odd project to pull out. I am replacing entire infrastructure on one of our customers. They requirements are quite easy until they decided to put something else. 3 WAN addresses that ...
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2answers
840 views

NVRAM in a controller RAID

I have one HP server Proliant ML 350 G5 with raid controller E200i. Diagnostic system shows the message (after system crash and reboot): Malformed NVRAM detected. Device: HP Smart Array Controller, ...
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1answer
69 views

How to remove a failed DC from AD?

We have two redundant domain controller servers of Win server 2003(server1 , server2) . Recently server1 got crashed (Complete Harddisk failure) Inserted new harddisk, Imported Acronics image backup ...
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1answer
112 views

Windows Server on domain, log on with domain user or local server account?

I have two servers set up, one is as active directory, and the other I am still configuring. On the server that is connected to the domain controller, should I be logging in as the local Administrator ...
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233 views

windows server essentials media pack

I have a server 2012 r2 essential build that is already up that is set up on a workgroup. We cannot use a domain controller for this environment. I am wanting to install the media pack, can I do this ...
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1answer
221 views

dcpromo /forceremoval as a file server

I'm working on a customers infrastructure where most of the DCs were not replicating with each other. I managed to bring up another two DC's, bring them to the domain and switch over the FSMO roles. ...
4
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1answer
28k views

Recovery from i8042 no controller found during boot?

I have a set of identical hardware, Dell R210s. To replicate their configuration, I use a method to image /dev/sda from a working machine, and then apply that image to a new machine. It has been ...
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1answer
173 views

Debian / KVM bonding and bridging NICs

I have a physical server with 4 NICs running Debian 8. I want to install KVM and configure guest vm's. One of the guest vm's will run the controller software to manage my network devices (ie managed ...
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2answers
840 views

LSI HBA cards - span a virtual drive across two RAID controllers

I am able to create a virtual drive on one of the RAID controllers, but that virtual drive is isolated to that RAID controller. I setup four (4) eval RAID cards: LSI MegaRAID SAS 9271-8iCC + ...
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2answers
192 views

Advice on SAS minimum SAS controller specification

I have four HP 600GB 10K 2.5" SAS HDD Drives and I want to buy a SAS controller to connect them to my PC (ASRock Z97Extreme6 Motherboard). My requirements are: They will run under software RAID 1 or ...
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0answers
190 views

HP Microserver AMD Raid controller

I have a HP N54L Microserver which i have been using successfully with Windows Server 2012. I only have the one hard drive in but want to add another in RAID 1 and then another two much larger drives ...
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2answers
5k views

create second samba4 active directory domain controller for backup

I built up a samba4 active directory domain controller on ubuntu 14.04 and everything is working fine. The Windows clients can log in and do stuff. So far so good. However, in case of emergency, I ...
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1answer
444 views

Windows Server 2012r2 virtualized domain controller

My work environment contain a single forest with two domains DomainA and DomainB. DomainA contain the following: DC01 holds all FSMO roles for the domain and forest, Global catalog and is forest ...
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1answer
133 views

Inter-Controller roaming between Juniper and Cisco AP

Corporate network is mainly composed of Cisco WLC and Lightweight APs. They are all using Wireless G and N. The office is asking to deploy Juniper WLC and APs to a new space in the office. I'm ...
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2answers
365 views

mdadm array keeps losing disks on separate SATA controller

My Ubuntu Linux server has an mdadm array (RAID 5) with four 2TB SATA disks that keeps "loosing" two disks from time to time. Rebooting and re-assembling the arrays has worked out fine up until now. ...
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3answers
520 views

Dell PowerEdge 2900 rom Batt

I have a Dell PowerEdge 2900. I got the the Raid Controller battery warning that it had less than 24 hrs left on it. I replaced it with a new battery. However, after a week, the orange light at the ...
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2answers
1k views

How best to recover from Primary Domain Controller failure?

Recently my small, aged private office Windows Server 2008 machine failed. Unfortunately, the machine was my primary domain controller and I don't have any type of secondary domain controller in the ...
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1answer
95 views

Device not accepting connections from a forwarded port. Security Issue?

I am forwarding a port through to a PLC/Management unit type device for a heatpump. The device accepts local connections from the LAN on port 80. It runs a normal web site on port 80 for management. ...
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2answers
44 views

What does “Array” refer to in a RAID controller?

This might be a very simple question. Could anyone please explain what the "Array" refers to when it comes to a RAID controller. I have tried searching for it, and I'm just getting more confused.
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1answer
2k views

IBM System x3650 M3 - how to expand RAID 10 array

I have RAID 10 array on my IBM System x3650 M3 server - four drives IBM 146GB 10K 6Gbps SAS 2.5". I bought four new drives (also 146GB 10K 6Gbps) because soon I may have problem with free space. Can ...
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1answer
225 views

9650SE-4LPML RAID Controller BIOs not showing HDDs

I've got a fresh server put together with a 9650SE-4LPML controller card in it with the intention of setting up RAID 1 with two 2TB HDDS. When I boot up and go into the RAID controller BIOs, the ...
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1answer
2k views

Issue rebuilding raid5 with 3ware controller

I have a degraded array with 8 disks. Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy ------------------------------------------------------------------------------ u0 ...
3
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1answer
10k views

Configuring Cisco AIR-CAP-2602i as the only WLAN AP on the network

I apologise in advance I'm about half way through CCNA so I may be using incorrect terminology. I've been tasked with putting in a new network at work, topology as follows: Router Cisco 887VA-M-K9 | ...
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2answers
796 views

How to use SAS expanders with Adaptec 2405 Raid Card

I have a server with Adaptec 2405 RAID card. I have 4 hard drives attached to it. I want to add 4 more. Adaptec site says 2405 can handle up to 128 hard drives with SAS expanders. It's not clear to me ...
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1answer
464 views

HP DL380 G7 RAID controller detecting bays incorrectly - port or mobo?

I've been passed a DL380 G7 which appears to work fine (all usual checks come back OK, Linux boots OK, LV creation is OK and disk access is OK) -- except the left hand four bays connected to port 1 of ...
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2answers
1k views

RHEL 6.0 enterprise intallation probelm on hp gen8 server [closed]

i am unable to install rhel 6 enterprise edition on hp dl380p gen8 server. with a p420i raid controller with 512 mb cache. whenever i boot from my media.. after asking for language and keyboard type.. ...
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1answer
66 views

When do domain and forestprep

I have a simple domain with a single Win2003 server. I just upgraded the funcitonal level to Win2003. I am now trying to add a Win2012 DC, but it warns me that the functional level is still at w2000 ...
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1answer
2k views

SCSI controller vs RAID controller

I have a Poweredge server which has a Ultra 160 SCSI controller, I was wondering if this has the ability to set the drives as RAID1 or 5? Is a SCSI & RAID controller generally the same thing?
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3answers
5k views

Domain controller malfunction

We have one domain and two domain controllers (on Windows Server 2008 Enterprise). For about a week, we have enormous problems: some users can't log in to Windows (domain could not be contacted). ...
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1answer
313 views

Computer browsing not working [closed]

We have multiple computers joined in domain. We also have domain controller (Windows server 2008 Enterprise). The problem is, that sometimes computer browsing (Windows Explorer: My Network Places/...
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1answer
27k views

Smart Array P400 battery failure

The P400 Smart Array controller in my HP DL380G5 is indicating: Battery Status: Failed, Replace Battery 1 in the System Management Homepage. Also the IML indicates: POST Error: 1794-Drive Array - ...
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3answers
9k views

HP p410i array controller - what happens if i add memory?

I have a p410i array controller that only has 256ram. We want to create a raid 5 so we have procured a 512 write back cache module. If we install the write back cache, will this erase the ...
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1answer
271 views

ssd firmware, linux: updating large batch of drives

I was recently hit with a fatal firmware bug that affected dozens of Crucial SSDs deployed in my datacenter. Many of the affected machines use LSI or other proprietary SAS controllers, which Crucial's ...
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1answer
96 views

Best way to introduce a new 2008R2 Domain Controller into a Domain to replace an existing 2003 DC

This should be an easy one for some of you guys with DC and AD experience. I am introducing a new DC running 2008R2 to replace a DC I have running 2003. I have run through all the set up and I have ...
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1answer
1k views

Smart Array P212 Raid controller on SBS 2008 ProLiant G6

I had a mirrored array with 2 * 1TB drives. I have replaced both drives (one at a time and allowed it to rebuid) with 2 * 2TB drive. So I now have a capacity of 2TB rather than 1TB. However, the array ...
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0answers
41 views

Re-adding users profile into new DC/AD server

Need some advice. It is related with my question last week. "Could I create new DC/AD from fresh installation in new machine then I do adding all users information (username and password) based on ...
4
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3answers
2k views

Difference between FBWC capacities?

When buying a FBWC storage controller such as HP's P420, you can choose either a 512MB, 1G, or 2G capacity. What differences do these capacity sizes provide? Is there a metric I can use to choose ...
0
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1answer
210 views

Read only active directory option is greyd out

I want to deploy a RODC sever in an existing domain.I fulfilled all pre-requisite for RODC.There are two DCs in the domain both 2008 r2.When i try to install third DC in same forest,the Read only ...
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2answers
150 views

Drive stopped working on windows server 2003 and I receive a “controller error”

I have a Proliant 360 Hp server with Windows server 2003 R2. I can only access the server in safe mode. The event viewer is completely filled up with this error: The driver detected a controller ...
2
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1answer
1k views

Does any USB controller card exist that fully offloads I/O from the host CPU?

In the hard drive controller card market - the higher-end (LSI, 3Ware) cards have their own on-board CPU and RAM, and take care of interacting with the hard drive, only notifying the system's CPU ...
2
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1answer
666 views

TFS 2010 - does the administration console on the build controller supposed to see all the agents?

We've recently migrated our TFS 2008 to TFS2010 and we wanted to have more than one build agent. Disclaimer: lame geek naming comming... So, the new server is the build controller (let's call him ...
4
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2answers
9k views

How does a SAN architecture work and more importantly scale?

I'm trying to understand some SAN infrastructure and I was hoping some of you with more experience than me could help me understand scaling with a SAN. Imagine that you have some computer servers ...