Tag Archives: migration

Migrating data

22/04/2011 – 15:14

Here’s another one-liner which helps to migrate data from one filesystem to another in one turn: # ( cd /mnt/src/ && tar c . ) | ( cd /mnt/dst/ && tar xv . )

By Viktor Balogh | Posted in Backup & Restore | Also tagged , , , , | Comments (0)

Offline migration – minimizing downtime with rsync

12/01/2011 – 12:12

As we all know, downtime is an unavoidable must in some cases. There may be cases when the application need to be migrated to a new system, and it can only be done offline. Even if the downtime can’t be eliminated, you can do some things to minimize it. First, create the new filesystem layout [...]

By Viktor Balogh | Posted in Backup & Restore, HP-UX system administration, Storage | Also tagged , , , , | Comments (0)

TAR tricks & tips

06/01/2011 – 14:46

This is how to tar a bunch of files and send it over network to another machine over SSH, in one turn: # cd /etc; tar cf – passwd | ssh hp01a01.w1 “cd /root;tar xf – passwd”

By Viktor Balogh | Posted in Backup & Restore, HP-UX general | Also tagged , , , , , , | Comments (0)

LVM tricks – determine the age of the system

07/12/2010 – 15:15

After some researching and reading some ITRC, I found a way to get the age of the system. This is done with reading and decrypting the LVM header from the system disks. At first, we need to find out which disks are in vg00: # vgdisplay -v vg00 | grep “PV Name” PV Name                     /dev/dsk/c2t0d0 [...]

By Viktor Balogh | Posted in HP-UX system administration, System Internals | Also tagged , , , , , , , , , | Comments (2)

Migrating a ServiceGuard cluster to another storage

03/11/2009 – 14:44

Here are the steps for offline migrating a Serviceguard cluster to another SAN: create a LUN list:no. of source box no. of source LUN size of source LUN no. of target box no. of target LUN size of target LUN

By Viktor Balogh | Posted in HP-UX Serviceguard, HP-UX system administration, Storage | Also tagged , , , , , , , , | Comments (0)

Samba locations

25/07/2009 – 15:06

I’m always in trouble if I need some files for samba. CIFS is rarely used, and if I need to configure something regarding Windows-compatible  shares then I don’t know where to find these files. This time we had a 1:1 migration, everything was fine, the SAP runs smoothly on the target cluster, switchtest was made [...]

By Viktor Balogh | Posted in HP-UX system administration | Also tagged , , , | Comments (0)