8
votes
What's the purpose of local storage hdd in Blade servers with virtualization?
SD card OS installation for virtualization hypervisor hosts is common, but at scale, it's less reliable than using simple RAID 1 on regular disks or SSD.
See: What happens when the USB key or SD card ...
- 198k
5
votes
What's the purpose of local storage hdd in Blade servers with virtualization?
Obvious: OS and booting. Having local boot drives can make sense. I also prefer the virtualization layer to not be dependent on an external storage.
It is so common that for example SuperMicro has ...
- 51.8k
4
votes
HP Blade System 7000 - Fans About to Take Off
I'd suggest calling an HP technician to come onsite and look at this. You're working with such scant details, that it's nearly impossible to provide good information to you.
First: Did you look at ...
- 198k
3
votes
Accepted
Is a blade server a cluster system or a multiprocessor system?
A blade server is simply a chassis with individual blades that share some common elements, such as the chassis, power supply, cooling, and related cabling.
Each blade is its own server, with it's own ...
- 8,162
3
votes
Accepted
Control or reduce fan speed of Dell R820
The fan speed settings exposed in the iDRAC interface may not be enough to quiet the fans to an acceptable level.
Install Dell OpenManage Server Administrator on the server and then run the ipmitool ...
- 110k
3
votes
Accepted
Are Rack-Servers always loud?
Yep, these are always loud.
Fans may go slower if the temperature's cold enough. Even though, you'll always ear it. Even with a couple closed doors in the way, ...
In addition to the noise, you ...
- 1,749
2
votes
Accepted
Can HP blade server/any server units be run as stand alone workstation?
No. They cannot. The blade server requires an enclosure in order to provide power, networking and downplane/backplane connections. It is useless without this.
- 198k
2
votes
Accepted
Dell Blade Server 'Voltage is outside of the allowable range'?
That's going to need a service engineer, power down the blade and get Dell or wherever in to look at it, it's not something you can fix sorry.
- 102k
2
votes
Accepted
How does Mezzanine network ports map to Blades Chasis?
There's a clue in the name of the module. A Pass-through I/O card (n.b. not switch) provides a direct mapping between the ethernet cards configured in each blade server and the ethernet port on the ...
- 32k
2
votes
Accepted
Dell m610 server error The system board Current Latch current is outside of the allowable range
This is a hardware fault. Either the PSU is faulty, the power connection is faulty, or the motherboard in question is faulty.
Since it happens to random blades, it's not likely to be an issue with ...
- 53.9k
2
votes
Setting HP iLO Name
you can make use of RIBCL scrpting language and perform those changes without connecting to each blade. From OA CLI interface run hponcfg tool.
To change server names:
OA> hponcfg bay_number <&...
- 21
2
votes
Accepted
Connection speed between blades
It depends on the server generation.
The downplane connections of G6 and newer blades have the capability of 2 x 10GbE LOMs per server.
While your backplane connections sound like they're 1GbE, the ...
- 198k
2
votes
Accepted
Delete all user accounts in HP blade server using hponcfg and RIBCL
Why don't you run the command to factory reset the ILO units?
See here.
Something like:
hponcfg “Insert Blade Bay Number” << @
<RIBCL VERSION="2.0">
<LOGIN USER_LOGIN="Dontcare" ...
- 198k
2
votes
Accepted
What do I need to run a Dell PowerEdge M910 Blade server at home?
Well, a blade server isn't much by itself. It needs a chassis.
The M910 blade is compatible with the M1000E chassis, so you'll need one of those.
The M1000E chassis should run on normal 110 US ...
- 1,918
2
votes
What's the purpose of local storage hdd in Blade servers with virtualization?
I see following reasons to use local HDDs:
(I am going with) Windows Server
(I need some) redundancy (RAID 1)
(and) performance (in case of RAID 1 SSD, boot is faster than SATADOM or Flash)
- 3,918
2
votes
PowerEdge FX2s ram types
Configs can be different, just make sure all the components (RAM, disks, and so on) are within the vendor blessed specs.
Blade servers are like normal servers, just power, network, and sometimes ...
- 327
1
vote
c7000 - 1GB Ethernet Pass-Thru
The blade server's NICs are hardwired to interconnect bays 1 and 2 on a C7000.
For your system, NIC1 in the blade will map to port 1 on the single passthrough module you have.
- 198k
1
vote
Accepted
Unable to boot unexpected NMI at 0012:7AA3
If you have and NMI fault, you have a dead blade. NMI stands for Non-Maskable Interrupt. It's a form of hardware interrupt that is considered critical to the basic operation of the system as a whole, ...
- 7,086
1
vote
Delete all user accounts in HP blade server using hponcfg and RIBCL
Here is a simple script to remove all user accounts except for Administrator...
#!/bin/bash
HPONCFG=/usr/sbin/hponcfg
[ -x $HPONCFG ] || exit 1
MYTMPDIR="$(mktemp -d)"
trap 'rm -rf -- "...
- 11
1
vote
What's the purpose of local storage hdd in Blade servers with virtualization?
Installing the hypervisor on local storage such as you have (small drives configured in RAID 1) was and still is a very common practice.
In short, nothing to see here.
- 110k
1
vote
Moving HP BL460c and partnered D2220sb blades to new c7000 slots
You don't mention what interconnects you have in either C7K but on the assumption they were passthroughs then;
Step 1. Shutdown the BL460c
Step 2. Move both blades at the same time
Step 3. Power on ...
- 102k
1
vote
How to determine M1000e CMC IP address from CLI of an installed blade?
After much investigation, I was able to obtain this information using this command:
racadm get System.ChassisInfo
It seems to only work in iDRAC7 and newer.
1
vote
HP Blade System Won't Come Up
The answer here is the same one I provided before at:
HP Blade System 7000 - Fans About to Take Off
Call HP and have them send an authorized technician to your site to diagnose and fix the problem. ...
- 198k
1
vote
How to make a bunch of blades boot and read from a same image without having to have local disks?
In this scenario, with a set of ESXi servers, we have used UCS blades. These attach to shared NFS data stores when operational, but have the same constraint in terms of internal capacity.
So we boot ...
- 3,757
1
vote
How to make a bunch of blades boot and read from a same image without having to have local disks?
Using Linux, to boot the blades you need PXE network boot, to boot the operating system.
You can also boot via USB. Most blades I've seen have USB ports on the front or inside the blade.
After ...
- 913
1
vote
Accepted
XenServer - Removing Blade Server from Chassis
Answer: Yes, the pool will simply not see the server for a while.
You need to migrate all VMs off that pool member to others, and if you lack resources then some less-important ones need to be shut ...
- 2,399
1
vote
Accepted
Migration of Win OS between two blade servers
If the two servers have the same (or very similar) hardware, you can move the disk(s) from the first server to the second one, and Windows will probably boot without problems; but if the hardware is ...
- 70.7k
1
vote
Are blade servers noisier than regular rack servers?
Answer to a very old question -- but blade systems are dirt cheap on the secondary market now. We have a used HP C7000 Bladesystem chassis in our lab now, purchased for $200 fully populated with fans, ...
- 11
Only top scored, non community-wiki answers of a minimum length are eligible