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[solved] Non-root partitions failure to mount on boot.
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Joined: 21 Jul 2012
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PostPosted: Fri Dec 04, 2015 4:12 pm    Post subject: [solved] Non-root partitions failure to mount on boot. Reply with quote

I got almost through the handbook, but when booting the only things that mount are the root partition and tmp on tmpfs. Here is the output from /proc/mounts (etc/mtab didn't have anything). Also - root is mounted read only, without my specified parameters but instead as auto.
proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0
udev /dev devtmpfs rw,nosuid,relatime,size=10240k,nr_inodes=504812,mode=755 0 0
devpts /dev/pts devpts rw,relatime,gid=5,mode=620 0 0
sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
/dev/sda6 / btrfs ro,relatime,noacl,space_cache 0 0
tmpfs /run tmpfs rw,nodev,relatime,size=404288k,mode=755 0 0
mqueue /dev/mqueue mqueue rw,nosuid,nodev,noexec,relatime 0 0
shm /dev/shm tmpfs rw,nosuid,nodev,noexec,relatime 0 0
debugfs /sys/kernel/debug debugfs rw,nosuid,nodev,noexec,relatime 0 0
cgroup_root /sys/fs/cgroup tmpfs rw,nosuid,nodev,noexec,relatime,size=10240k,mode=755 0 0
openrc /sys/fs/cgroup/openrc cgroup rw,nosuid,nodev,noexec,relatime,release_agent=/lib64/rc/sh/,name=openrc 0 0
cpuset /sys/fs/cgroup/cpuset cgroup rw,nosuid,nodev,noexec,relatime,cpuset 0 0
cpu /sys/fs/cgroup/cpu cgroup rw,nosuid,nodev,noexec,relatime,cpu 0 0
cpuacct /sys/fs/cgroup/cpuacct cgroup rw,nosuid,nodev,noexec,relatime,cpuacct 0 0
freezer /sys/fs/cgroup/freezer cgroup rw,nosuid,nodev,noexec,relatime,freezer 0 0
tmpfs /tmp tmpfs rw,relatime,size=1048576k 0 0
binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw,nosuid,nodev,noexec,relatime 0 0
/dev/sda11 /var vfat rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro 0 0

Here is my fstab. /var, /usr/portage, and the second swap partition are located on a separate drive formated as gpt. Everything else is on a mbr disk in logical partitions, bios not uefi.
# /etc/fstab: static file system information.
# <fs>         <mountpoint>   <type>      <opts>      <dump/pass>

# NOTE: If your BOOT partition is ReiserFS, add the notail option to opts.
UUID={ed5a6485-88d3-459b-b4ef-22e1aaad4b6f}       /boot      ext4      noatime   1 2
UUID={58f8aa2d-9766-46cd-96d9-cb0958992da8}       /      btrfs      noatime,space_cache,max_inline=40960,compression=zlib      0 1
UUID={b5da6f0a-06b9-4fda-b687-6dcb2f8a8878}              none      swap      sw      0 0
UUID={dd9c27b3-0ac8-4900-9bfd-0d19fe3cd7e7}      none      swap      sw      0 0
UUID={368048d3-fc77-431e-a7a8-d46325fd2503}       /usr      btrfs      autodefrag,noatime,space_cache,max_inline=40960,compression=zlib      0 2
UUID={35827e2f-aa45-40f6-9e58-9307ae411550}       /opt      btrfs      autodefrag,noatime,space_cache,max_inline=40960,compression=zlib      0 2
UUID={bd7eed95-87e6-4faf-9e02-d2490a90a391}       /home   btrfs      nosuid,autodefrag,noatime,space_cache,max_inline=40960,compression=zlib      0 2
UUID={962b654d-b31d-4e4f-b37e-edc792b7d142}       /var      btrfs      nosuid,noatime,space_cache,max_inline=40960,nocow      0 2
UUID={65a2b9fc-449d-44f6-bbcb-524c50fb7291}      /usr/portage   btrfs      autodefrag,noatime,space_cache,max_inline=40960,compression=zlib      0 2

tmpfs         /tmp      tmpfs      size=1g      0 0
tmpfs         /var/tmp   tmpfs      size=75%   0 0

/dev/cdrom      /mnt/cdrom   auto      noauto,ro   0 0
/dev/fd0      /mnt/floppy   auto      noauto      0 0

I wasn't sure if the booting text log is available somewhere, but I wrote down the relevant section.

>> Determining root device...
>> Detected real_root=/dev/sda6
>> mounting /dev/sda6 as root...
>> using mount -t auto -O ro
>> mounting UUID={368048d3-fc77-431e-a7a8-d46325fd2503} as /usr:
mount -t btrfs -O autodefrag,noatime,space_cache,max_inline=40960,compression=zlib,ro
UUID={368048d3-fc77-431e-a7a8-d46325fd2503} /newroot/usr
mountpoint /netroot/usr doesn't exist

Initramfs (made with genkernel) loads after this.
Let me know if there's anything else that would be helpful to include. Thanks for looking my problem over.

Last edited by Gentling on Sat Dec 05, 2015 5:30 pm; edited 1 time in total
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Joined: 05 Jul 2003
Posts: 45607
Location: 56N 3W

PostPosted: Fri Dec 04, 2015 4:54 pm    Post subject: Reply with quote


UUID={368048d3-fc77-431e-a7a8-d46325fd2503} /newroot/usr
mountpoint /netroot/usr doesn't exist

That's significant. As you have copy typed this, its not clear if /netroot/usr doesn't exist or /newroot/usr doesn't exist.
Whatever, your separate /usr is not being mounted because its mount point has a problem then its all down hill from there.

That's in the initrd.


Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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Joined: 21 Jul 2012
Posts: 16

PostPosted: Sat Dec 05, 2015 5:28 pm    Post subject: silly syntax, {} are for kids Reply with quote

It turns out curly brackets {} shouldn't be used for the uuid.

Thank you for your time. I'll mark this one as solved.
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