To put a disk or block device in offline mode and delete it from the system, follow the following steps. This example will assume that we want to remove the 5th disk on the system (connected on controller 0, id 5 and seen as “sdf” and mounted as /mnt/disk5). REMARK: If you were using this… Read More »
By default, ext4 formatted drive will automatically reserve 5% of the allocated space for root user, which reduce the total available space for other users or the application you may want to use that drive for. This 5% ratio make sense on small volumes and purposes like the root (/) filesystem, but does not make… Read More »
Dell PowerStore does not feature a traditional console port. Instead, it has a “service port” which is IPMI based. Therefore, to access the console, you need to use Serial-over-Ethernet with IPMI Tool. 1. Get ipmitool from Dell Web site ; 2. Change your network adapter IP configuration to the following : ip 128.221.1.10 netmask 255.255.255.0… Read More »
Getting the following notice from your ownCloud administrator account setting page? Transactional file locking should be configured ownCloud have the capability of managing file/folder locking on its own, on top of the filesystem. This is a must-have feature especially for large, busy, multi-users servers, and especially when users use their account on multiple devices. You… Read More »
If your Windows 10 system suddenly stopped booting and show the following error message : VOLMGRX INTERNAL ERROR It most likely mean that your software RAID volume has failed. It may indicate a hardware underlying issue, such as a failed drive or the mirror just broke and is no longer in sync. To find out,… Read More »
Here is a simple PowerShell command that will output the FC host adapter interface WWNs. Get-WmiObject -class MSFC_FCAdapterHBAAttributes -namespace “root\WMI” | ForEach-Object {(($_.NodeWWN) | ForEach-Object {“{0:x}” -f $_}) -join “:”} If your interface have two ports, both will be output in order. This command have been successfully tested with QLogic adapters on Windows 2012 and… Read More »
This post will cover the complete installation and setup of a NFS client and server on SuSE Linux. By default, the system include the NFS client but not the server. First of all, make sure that NFS traffic is allowed if you are running any firewall on the client/server machine. You can achieve this through… Read More »
Having repeated NTFS warning entries in EventViewer as the one below? Log Name: System Source: Ntfs Event ID: 57 Task Category: (2) Level: Warning Description: The system failed to flush data to the transaction log. Corruption may occur. This indicate an issue with the filesystem recovery mechanism and the filesystem might not be fault tolerant… Read More »
As you probably wanted to extend your Brocade fiber channel fabric by connecting your existing switch to a new one, you probably noticed the following behaviour : 1. The port is blinking (green light) 2. The following message can be shown in the event log : Warning port 0, domain IDs overlap. Switch 19 1 FABR-1001… Read More »
Expansion enclosures of the HP P2000 MSA G3 can contain up to two SAS I/O modules to connect to the SAN head storage processors (controllers). At some point, you may need to update the firmware on them. If you did and encountered the following message : *** code load failed *** This indicate that the… Read More »