Public bug reported:
I am using AWS c3.xlarge instance with 2xSSD (2x40GB) and system is
detecting/using only one of them:
root@localhost:~# cat /proc/partitions
major minor #blocks name
1 0 65536 ram0
...
1 15 65536 ram15
202 1 8388608 xvda1 <====== ESB
202 16 41934848 xvdb <====== One of two SSD.
Same command with different output on Ubuntu 14.04 LTS
ubuntu@localhost:~$ cat /proc/partitions
major minor #blocks name
202 0 8388608 xvda
202 1 8377897 xvda1 <==== ESB
202 16 41934848 xvdb <==== first SSD
202 32 41934848 xvdc <==== second SSD
252 0 78643200 dm-0
One SSD is missing.
Kernel version: Ubuntu 4.4.0-28.47-generic 4.4.13
Ubuntu version: Description: Ubuntu 16.04.1 LTS, Release: 16.04
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1611958
Title:
AWS Ubuntu 16.04 LTS doesn't detect 2xSSD on c3.xlarge
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