Proper CHROOT in rescue mode using arch-chroot 16. April 2020 12. Dezember 2020 / Von Bernd Helm / LinuxMost Sysadmins know how to setup a basic chroot on a mounted filesystem (mount-binding dev, proc and sys) but this does not work in any case; for a complete chroot setup you would aso need dev/pts dev/shm, …
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RAID5 vs Raid10 Performance Benchmark MDADMLinux / Von Bernd Helm / 6. November 2019Comment and Investigation in RAID PerformanceRAID 5 vs RAID10 has been discussed for ages; its common knowledge that RAID10 offers better performance – but how much depends on the actual implementation and hardware. I just got a Server with 4 x 10TB of disks, all brand …
RIAK compact e/leveldb tombstones and reclaim disk spaceLinux / Von Daniel Walter / 26. September 2017 / compaction, disk space, leveldb, riak, tombstoneThe ProblemWhen attempting to reclaim disk space, deleting data may seem like the obvious first step. However, in Riak this is not necessarily the best thing to do if the disk is nearly …
RIAK compact e/leveldb tombstones and reclaim disk space Weiterlesen »
Next-Gen Backup with BTRFS Snapshots for Root-Fs and DatabasesLinux / Von Bernd Helm / 6. September 2017What it is good forThis article is about using BTRFS snapshots as backup solution, usable for databases and full root partition backups. This is not a detailed Step-By-Step guide and requires some linux skills. This Post aims to share my experiences and save …
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