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Difference between revisions of "Btrfs"
better worded warning
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== RAID 0 (not Just a Bunch of Disks)== | == RAID 0 (not Just a Bunch of Disks)== | ||
Using one ore more devices to build a volume. This volume has the '''capacity of all the used devices together(1+2+3+4...)'''. This is an very easy way to expand your volume when you need more space. You even can add 2 or 3 devices at a time. When you want to replace a device, you can add the new device, then remove the old device. Btrfs will move all data as necessary. ''To distribute all data to all devices you may want to '''balance''' the volume.'' Btrfs will stripe the data to all devices. | Using one ore more devices to build a volume. This volume has the '''capacity of all the used devices together(1+2+3+4...)'''. This is an very easy way to expand your volume when you need more space. You even can add 2 or 3 devices at a time. When you want to replace a device, you can add the new device, then remove the old device. Btrfs will move all data as necessary. ''To distribute all data to all devices you may want to '''balance''' the volume.'' Btrfs will stripe the data to all devices. | ||
{{BoxWarning|If one device fails, everything is lost|Be aware that when one of the devices fails your complete volume | {{BoxWarning|If one device fails, everything is lost|Be aware that when one of the devices fails your complete volume may be lost if you use RAID 0}} | ||
=== 1 device === | === 1 device === | ||
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=== 2 or more devices === | === 2 or more devices === | ||
By default, '''metadata will be mirrored''' across two devices and '''data will be striped''' across all of the devices present. But if you have 2 or more devices in your volume you should consider using RAID 1. | By default, '''metadata will be mirrored''' across two devices and '''data will be striped''' across all of the devices present. But if you have 2 or more devices in your volume you should consider using RAID 1. | ||
== RAID 1 (mirrored), 1C3, 1C4 == | == RAID 1 (mirrored), 1C3, 1C4 == | ||