Category Archives: Computer

Artikler om computer generelt og linux specielt.

Growing a mdadm RAID by replacing disks

Introduction
As it can be read in my related earlier post: Replacing a failed disk in a mdadm RAID I have a 4 disk RAID 5 setup which I initially populated with 1TB disk WD GREEN (cheap, but not really suited … Continue reading

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Rotating website backup using rsync over ssh

Introduction
Recently the hosting company for website started supporting SSH access. This meant I could ditch the unsecure FTP transfers and do everything though SFTP and rsync over ssh. Beside making editing of files much easier this also allowed me to … Continue reading

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Migrating a wordpress blog – mysql charset problems and backup script

Introduction
The, now previous, hosting company of my wife’s blog had a major data corruption and completely lost a years worth of database entries and files. There was no communication before we found the problem ourselves, so we were very unhappy … Continue reading

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Replacing a failed disk in a mdadm RAID

Introduction
I have a RAID5 with 4 disks, see Rebuilding and updating my Linux NAS and HTPC server, and from my daily digest emails of the system I discovered that one of my disk had issues. I found the following in … Continue reading

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Migrate from RAID 6 to RAID 5 with mdadm

Introduction
I have been using a quite secure setup for the last couples of years with a 4 drive RAID 6 setup. This setup can tolerate two disk failures without any data loss. Recently though, I have been getting close to … Continue reading

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