Category Archives: ZFS

MySQL ZFS snapshot restoration

Since yesterdays test on ZFS snapshots, we now have 25 snapshots in the snapshot archive which can be seen below. # cd /DATA/mysql/.zfs/snapshot/ # ls -lah total 36 dr-xr-xr-x 21 root wheel 21B Oct 16 21:00 . dr-xr-xr-x 4 root … Continue reading

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Using ZFS snapshots to keep MySQL backups

Whilst at a customer site the other day the question was raised over how they could keep a fair volume of backups of a MySQL database off site, while minimising bandwidth and disk space. So the usual ‘moon on a … Continue reading

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Creating FTP Accounts on ZFS space with quotas

As part of the Gconnect 30:30 server product, I need to create a 10GB FTP store for each server. Its part of the deal so customers can use it either for backup, if they don’t want the server image backups … Continue reading

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FreeBSD iSCSI Server (target)

Part of the new central storage setup is to enable the server to be an iSCSI server or target so our clients can be iSCSI initiations to connect in and use the storage. The main reason is to facilitate the … Continue reading

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FreeBSD ZFS Deduplication

Time to prove or disprove the ZFS dedup capabilities. First its important to understand that as with compression, if we change the settings on the storage block then only new data written to that area will be de-duped or compressed. … Continue reading

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FreeBSD ZFS – Connecting an existing zpool to a new OS

Imagine that you have your server with an external RAID array running a ZFS file system, or even a separate internal array on the box and the OS array is trashed. Now you have your nice redundant ZFS partition, but … Continue reading

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