Import software raid
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disable php and update to fix change passs
You better disable all the REMI repos that exist on your /etc/yum.repos.d/ folder. Or add the below line in /etc/yum.conf file. exclude=php* or Try this command with yum update. yum…
Reinstall OS and import vg0 with solusvm
Let's imagine, you have a node with /dev/sda drive that consists of a boot partition, root partition and swap and /dev/sd drives that compose the volume group with LVM images…
How to stop VPS migration in SolusVM?
Connect to your Master server over SSH. Access SolusVM database: # curl -o solusvmdb.sh https://raw.githubusercontent.com/solusvm-support/helpers/master/solusvmdb.sh && sh solusvmdb.sh Set status to migration as completed using the following queries: # update migrations set…
Error: out of memory
As you might know the system allocates memory on a server by contiguous memory blocks of different size. And there may be a situation where the system does not have…
mdadm Command Examples in Linux
The mdadm command is a tool used to manage software-based RAID arrays. A redundant array of independent disks (RAID) is a set of vendor-independent specifications that support redundancy and fault…
Replacing a Failed Mirror Disk in a Software RAID Array (mdadm)
The post describes the steps to replace a mirror disk in a software RAID array. In this example, we have used /dev/sda1 as the known good partition, and /dev/sdb1 as…
MEGACLI CHEATSHEET
Recently I’ve had to do extensive work with Dell PowerEdge servers, and specifically Dell’s that use the LSI MegaRAID controllers. Anyone who has ever had to work with the LSI…
Check LSI RAID Card status with MegaCLI tool
MegaCLI tool can be used to check RAID status on LSI card like LSI MegaRAID 8888ELP and MegaRAID SAS 9260-4i. The tool can be downloaded from http://www.lsi.com/downloads/Public/MegaRAID%20Common%20Files/8.07.07_MegaCLI.zip After downloading, unzip and run these…
RAID: REBUILDING A FOREIGN DISK BY HAND
While replacing a bad drive with a drive that used to be part of another RAID array configuration, the RAID refused to automatically rebuild, thinking that I might want to…