[StarCluster] R3 SSD not mounted xvdaa

Paul.VanAllsburg@spectrumhealth.org Paul.VanAllsburg at spectrumhealth.org
Fri Dec 4 20:44:42 EST 2015


Nope, good point. So I
parted /dev/xvdaa mklabel gpt
parted -s /dev/xvdaa mkpart primary 0% 100%
mkfs -t ext4 /dev/xvdaa1
mount -t ext4 /dev/xvdaa1 /mnt
and
root at node001:~# df -h
Filesystem        Size  Used Avail Use% Mounted on
/dev/sda1         7.9G  5.7G  1.8G  77% /
…
master:/home      7.9G  5.8G  1.7G  78% /home
master:/opt/sge6  7.9G  5.8G  1.7G  78% /opt/sge6
/dev/xvdaa1        74G  180M   70G   1% /mnt

I can add that to my install R at startup script:
USERDATA_SCRIPTS = /root/StarCluster/installR.sh

It might be nice to add the 74G to one of the NFS shares on the master node.  I’ll look into that…

Thanks Rayson,

Paul

Subject: Re: [StarCluster] R3 SSD not mounted xvdaa

Did you try to mount sda (/dev/xvdaa) manually? It can be because the SSDs are not formatted by default.

Rayson

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On Fri, Dec 4, 2015 at 3:32 PM, <Paul.VanAllsburg at spectrumhealth.org<mailto:Paul.VanAllsburg at spectrumhealth.org>> wrote:
I started a simple 2 node with  r3.xlarge 4cpu &  80G SSD.  I assumed part or all of that ssd would be used in the nfs share.
Fstab says  /dev/xvdaa     /mnt but that's not what I got.  Did I miss a config entry for the ssd storage?

What I got was:

root at master:~# mount
/dev/sda1 on / type ext4 (rw)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
none on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys/kernel/security type securityfs (rw)
udev on /dev type devtmpfs (rw,mode=0755)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)
none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880)
none on /run/shm type tmpfs (rw,nosuid,nodev)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
rpc_pipefs on /run/rpc_pipefs type rpc_pipefs (rw)
nfsd on /proc/fs/nfsd type nfsd (rw)

root at master:~# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda1       7.9G  5.4G  2.2G  72% /
udev             15G   12K   15G   1% /dev
tmpfs           6.0G  216K  6.0G   1% /run
none            5.0M     0  5.0M   0% /run/lock
none             15G     0   15G   0% /run/shm
root at master:~#
root at master:~# lsblk
NAME   MAJ:MIN  RM SIZE RO TYPE MOUNTPOINT
xvdaa  202:6656  0  75G  0 disk
sda      8:0     0   8G  0 disk
└─sda1   8:1     0   8G  0 part /

/etc/fstab is

LABEL=cloudimg-rootfs   /        ext4   defaults        0 0
/dev/xvdaa      /mnt    auto    defaults,nobootwait,comment=cloudconfig 0       2

root at master:/mnt# ll
total 12
drwxr-xr-x  3 root     root     4096 Dec  4 19:41 ./
drwxr-xr-x 25 root     root     4096 Dec  4 20:02 ../
drwxr-xr-x  2 sgeadmin sgeadmin 4096 Dec  4 19:41 sgeadmin/


node001 is:

root at node001:~# mount
/dev/sda1 on / type ext4 (rw)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
none on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys/kernel/security type securityfs (rw)
udev on /dev type devtmpfs (rw,mode=0755)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)
none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880)
none on /run/shm type tmpfs (rw,nosuid,nodev)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
rpc_pipefs on /run/rpc_pipefs type rpc_pipefs (rw)
master:/home on /home type nfs (rw,vers=4,addr=172.31.32.194,clientaddr=172.31.32.195)
master:/opt/sge6 on /opt/sge6 type nfs (rw,vers=4,addr=172.31.32.194,clientaddr=172.31.32.195)
root at node001:~# df -h
Filesystem        Size  Used Avail Use% Mounted on
/dev/sda1         7.9G  5.7G  1.8G  77% /
udev               15G   12K   15G   1% /dev
tmpfs             6.0G  216K  6.0G   1% /run
none              5.0M     0  5.0M   0% /run/lock
none               15G     0   15G   0% /run/shm
master:/home      7.9G  5.8G  1.7G  78% /home
master:/opt/sge6  7.9G  5.8G  1.7G  78% /opt/sge6
root at node001:~# lsblk
NAME   MAJ:MIN  RM SIZE RO TYPE MOUNTPOINT
xvdaa  202:6656  0  75G  0 disk
sda      8:0     0   8G  0 disk
└─sda1   8:1     0   8G  0 part /
root at node001:~#




Kind Regards,

Paul Van Allsburg



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