Hi,
a modprobe bcache would have done the job as the kernel module is not
automatically loaded per default on SLES 12.
Regards
Christoph
Am 09.03.2016 um 19:03 schrieb Garnett, James:
Here is a description of a problem I found with setting up Bcache on SLES 12 and also the fix.
Bcache-tools Version: 0.1.g71-2.12
Linux Kernel Uname level: 3.12.51-52.39-default
SuSE-release: VERSION = 12 PATCHLEVEL = 0
Problem: After running make-bcache -B '/dev/sdx' example make-bcache -B /dev/sdb and running
'echo /dev/sdb > /sys/fs/bcache/register'. I received an invalid command error because /sys/fs/bcache/register does not exist.
I then ran the script '/lib/udev/bcache-register' which still did not create /sys/fs/bcache/register.
Fix: I ran YAST and added /Software/Add-On Products/SUSE Linux Enterprise Software Development Kit 12. After adding a group of libraries automatically installed.
Afterwards I reran '/lib/udev/bcache-register' which successfully created /sys/fs/bcache/register. Lastly I was able to follow the Getting Started section of the Bcache documentation located at evilpiepirate.
Upon reboot; /sys/fs/bcache/register still does not exist so I created a script that fixes the problem and mounts /dev/bcach0. See Below:
/lib/udev/bcache-register
echo /dev/sdb > /sys/fs/bcache/register
echo /dev/msdp_images/IMAGES > /sys/fs/bcache/register
mount /dev/bcache0 /msdp/images
James Garnett
Sr. Systems Architect
Health Alliance Plan of Michigan
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Christoph Nelles
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