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4
votes
3answers
2k views

Run a command when a disk is inserted (Linux)

I would like to automatically run my own command any time a drive is inserted under Linux (including USB drives, for example). Obviously the simplest solution would be to regularly poll and check for ...
2
votes
2answers
244 views

Remove second RAID6 drive during resync from first failure?

I have a RAID6 comprised of five 1TB drives in good working order. I'd like to redistribute the array differently in my system (change the drive distribution over controller cards). I pulled the first ...
2
votes
1answer
165 views

Can I pull a card from the PCI-x bus without powering down?

Background I accidentally forgot to unplug a server's power when pulling a card even though the system was powered down at the OS level. Unfortunately doing so seems to have corrupted the system's ...
2
votes
1answer
1k views

Where are the acpiphp and pci_hotplug kernel modules for KVM hotplug in CentOS/RHEL?

On the this how-to I read the following: I loaded the following modules to get pci hotplug working: acpiphp pci_hotplug You can either add these to your distro's module list to ...
2
votes
1answer
671 views

CONFIG_HOTPLUG_CPU=n - kernel panic?

I have a task to disable CPU hotplug in RHEL5 kernel (2.6.18-el5.xxx). I have no problem recompiling an own kernel from the sources with an old config. But as soon as I disable CPU hotplug, I get ...
1
vote
3answers
764 views

HDD with HP Proliant ML310e

I recently purchased a HP Proliant ML310e off PCNation.com as it seemed like a great deal. Come to find out, when I go to open up the case and install HDDs, the system is equiped with a ...
0
votes
1answer
605 views

harddisk hot-plug issue for Dell PowerEdge R720

Now I have 2 SAS harddisk plugged to R720 and formed a RAID 1 array. What if I want to add more SATA harddisks to it without adding to the RAID, is it ok for me to add directly without reboot and ...
0
votes
1answer
281 views

pv_ops Kernel ignoring cpu hotplug under Xen 4 DomU

I have a Xen 4.0.1 DomU running Debian Squeeze with the stock 2.6.32-5 Kernel. When I add CPUs via xm-vcpu-set they correctly show up in /sys/devices/system/cpu but are not set online and ...
0
votes
2answers
411 views

Disable CPUs on boot but allow hotplug in Xen

I would like to create a Xen VM with 32 possible VCPUs but have the guest OS only enable 2 of them on boot. Are there some kernel parameters I can pass in to enable this? I've played around with ...
-1
votes
1answer
2k views

How to increase acpiphp slots?

Oh RHEL 5.5, there are 31 ACPI PCI hotplug slots by default: acpiphp: Slot [1] registered ... acpiphp: Slot [31] registered Is there a way to increase this number? I haven't been able to find an ...