Linux FreeBSD: Protect your Disc Data against power loss

Problem: If you use IDE or SATA Disc Drives inside your Workstation or Server without a additional uninterruppted power supply after a power loss your Disc Drives can lose data, do not boot clean up agian or damage the drive headers and sectors. Background: SATA or IDE Drives uses “Disc Cached Controllers”, the count of … Read more

FreeBSD Linux: Remove Clear GPT Partition Table from drives

Problem: FreeBSD 9 use GPT Partitionlabel by default to remove with Linux do: fdisk message: WARNING: GTP (GUID Partition Table) detected on '/dev/sdX' The util fdisk isn't support GPT. do on console: sudo parted /dev/sdX mklabel msdos (Enter Yes!) quit now use Linux fdisk to recreate a new partion Table

Linux Bug: SATA failed command: WRITE FPDMA QUEUED ata3.00 ncq freeze hang

Problem: If you copy or install Files from Disk to Disk somtimes the fresh installed Debian Ubuntu Linux in Textmode (server minimal setup) current kernel freezes or lost connect to the Disks. Take a CLOSER LOOK the Error often affects ALL DISKS !! If only one Disk  affected replace the Drive to SATA600 Hardware:  Asus … Read more

Centos 4.7 4.8 SME Server 7.4 7.5.1 LSI Megaraid ATA PERC 2 Driver (Dell Poweredge 600SC 1600SC)

For install of Centos 4.7 / 4.8 and SME Server 7.4 / 7.5.1 with Kernel 2.6.9-89.0.16.EL Kernel 2.6.9-89.0.16.ELsmp take my compiled Driver here and copy it to /lib/modules/2.6.9-89.0.16.ELsmp/kernel/drivers/scsi/megaraid look for only this modules, remove old or other! megaraid.ko (my compiled driver) megaraid_mm.ko megaraid_sas.ko edit with: #nano /etc/modprobe.conf change first line!!! to: alias scsi_hostadapter megaraid go: … Read more

SME Server usefull Backup Tips Custom Templates Customizing SME

On SME Server: Data Path which are saved by Console Backup – save all Custom-Scripts which you run with Cron or Root at Location /root – save all modified Custom Templates at /etc/e-smith/templates-custom – all ibays – all /home – if you not know how to make /etc/e-smith/templates-custom files copy the standard templates from /etc/e-smith/templates … Read more

SME Server USB Disk Stick mount Problem at SME Server Backup Console

Problem: On SME Server the HAL Daemon often not recognize a USB Stick or Disk which you can use for “Console” Backup Program. Solution: – Create a Script with #nano /root/backup.sh – insert: service haldaemon restart service messagebus restart console exit This restart the HAL Environment before Console (SSH-Admin-Tool)is opened. To prevent Users to write … Read more