Bcache is a Linux block layer cache that uses SSDs to cache other block devices.

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How to setup bcache?

I've tried to set up bcache in Ubuntu 14.04 with a fresh install and an empty /home partition (/dev/sdb2) as a backing device. I have a running system on my SSD and I'd like to use its /dev/sda2 ...
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1answer
59 views

Recovering disk with corrupted superblock

I am trying to recover a disk that has corrupted superblock but I cant seem to unmount the disk at all. I used bcache for the three extra drive after a reboot one of the drive stopped working. so I ...
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62 views

compressed block device

I wanted to experiment with combining bcache and a compressed block device on a hdd and seeing if this will speedup the boot time. Are there any means of compressing a block device at the block level? ...
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1answer
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Does using an extended cache improve performance?

Does using a extended cache (readyboost-like) improves the overall performance? I read a lot about it and some says that it's just for old machines with low RAM and also the 480mbit/s of usb2.0 was ...
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0answers
242 views

Bcache hangs on Ubuntu 14.04

I successfully setup my system to use bache in /home partition (200GB SSD partition as cache for 500 GB HDD partition). However, I keep receiving these messages: INFO: task bcache_writebac:222 ...
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40 views

Using bcache for two used HDD

I have 2 HDD half full, one is 1.5T the other is 2 TB, with NTFS and mounted using ntfs-3g. I have a lot of random reads on those drives. I want to use my 80 GB empty SSD drive as a disk cache for ...
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0answers
198 views

bcache corruption after reboot

bcache seems to work fine, but after rebooting, the ext4 filesystem stored in /dev/bcache0 frequently, but not always, becomes corrupted - seemingly, it only damages metadata for recently modified ...
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126 views

Any chance of installing Ubuntu on existing bcache device formatted with btrfs?

I setup my system with btrfs as root file system to be able to install additional Linux systems later on (each with separate and small /boot partition) on separate subvolumes. Then I light-heartedly ...
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105 views

Identify SSD cache drive

I've just bought a crunchy piece of Asus N550LF laptop. The supplier claims that it comes with a secondary 16GB SSD drive, however it's neither listed in BIOS, nor can be seen in gparted as a ...