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#1 2019-01-31 15:46:36
- Zhme
- Member
- Registered: 2017-06-11
- Posts: 80
Trouble accessing data partition after mounting with liveUSB/genfstab
I made a partition table that has root and home distributions for 2 Linux partitions, 1 Windows partition, and 2 data partitions, and a swap partition.
Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
Disk model: HGST HTS721010A9
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 303058C6-7089-4826-A3D8-7FAA644481B5
Device Start End Sectors Size Type
/dev/sda1 2048 1050623 1048576 512M EFI System
/dev/sda2 1050624 40039062 38988439 18.6G Linux filesystem
/dev/sda3 40040448 79101951 39061504 18.6G Linux filesystem
/dev/sda4 79101952 118163455 39061504 18.6G Linux filesystem
/dev/sda5 118163456 157227007 39063552 18.6G Linux filesystem
/dev/sda6 157227008 196288511 39061504 18.6G Linux filesystem
/dev/sda7 196288512 235352063 39063552 18.6G Linux filesystem
/dev/sda8 235352064 918945312 683593249 326G Linux filesystem
/dev/sda9 919922688 1798828125 878905438 419.1G Microsoft basic data
/dev/sda10 1798830080 1953523711 154693632 73.8G Linux filesystemI first tried to make a Data folder in my home directory and symlink with
ln -s without success. Afterwards I tried to use my liveUSB to mount each partition again (including Data on sda8) and to regenerate the fstab file.
After doing so I looked into the disk usage for the data size and it only shows 4.1kb. I am worried that having made the Data file and attempting a soft link to the sda8 partition prior to mounting it and updating the fstab may be conflicting. The first thing I plan on doing is removing the Data folder which isn't functioning properly anyway and removing the fstab entry for sda8 to try from a fresh start. I would post more command output but I am not sure which commands would be relevant so i'll save them for later!
Also, looking at this post preview I noticed my sda10 is not a swap partition atm... So please ignore that -_- oops...
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#2 2019-01-31 19:22:47
- Zhme
- Member
- Registered: 2017-06-11
- Posts: 80
Re: Trouble accessing data partition after mounting with liveUSB/genfstab
lsblk -if
NAME FSTYPE LABEL UUID FSAVAIL FSUSE% MOUNTPOINT
sda
|-sda1 vfat 4DB7-14EF 412.1M 19% /boot
|-sda2 ext4 e05ec1b5-90d5-49cc-81ad-d26b05dc2be4 7G 56% /
|-sda3 ext4 5d23fbfe-3671-445a-96bf-668b7f582854 8.2G 50% /home
|-sda4 ext4 root 84449379-d6e6-4dad-a10c-0427211947bd
|-sda5 ext4 home 9ce5c81d-ac4b-4bf2-b3c6-92b93ac5f606
|-sda6 ext4 c3457606-8606-48c6-9591-f2889b0291fc
|-sda7 ext4 7e955b3a-9c37-449d-8014-a295ff0a9433
|-sda8 ext4 f8986e92-64e1-448c-940c-9e0e97f326e1 303.5G 0% /home/Data
|-sda9 ntfs 2FACFA354EF7850B
`-sda10 swap dc115029-6c98-4fb1-be67-ee4242e53df2 [SWAP]
sdb
`-sdb1 vfat ARCH_201901 CC7D-CC25 14.3G 4% /run/media/zhme/
nvme0n1
|-nvme0n1p1 vfat SYSTEM 4E0C-4AF3
|-nvme0n1p2
|-nvme0n1p3 ntfs WinRE tools F8BA0E6CBA0E2828
|-nvme0n1p4 ntfs BIOS_RVY AE66134666130EA9
`-nvme0n1p5 ntfs Windows 90F05921F0590F3AThis is my fstab
# /dev/sda2
UUID=e05ec1b5-90d5-49cc-81ad-d26b05dc2be4 / ext4 rw,relatime 0 1
# /dev/sda3
UUID=5d23fbfe-3671-445a-96bf-668b7f582854 /home ext4 rw,relatime 0 2
# /dev/sda8
UUID=f8986e92-64e1-448c-940c-9e0e97f326e1 /home/Data ext4 rw,relatime 0 2
# /dev/sda1
UUID=4DB7-14EF /boot vfat rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixe$Offline
#3 2019-01-31 21:02:54
- seth
- Member
- From: Won't reply 2 private help req
- Registered: 2012-09-03
- Posts: 78,659
Re: Trouble accessing data partition after mounting with liveUSB/genfstab
I can tell you that "ln -s" doesn't create a symlink but a usage help message and that you forgot to ask any kind of meaningful question.
Since I grasp your issues seem to revolve mounting /dev/sda8 into /home/Data, please post the ouputs of
mount
stat /home/Dataand in any event, please add a description of your actual problem at hand (what you want, expect and see) - we cannot infer that from a random list of vague command references and your partition scheme.
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#4 2019-02-01 17:22:01
- Zhme
- Member
- Registered: 2017-06-11
- Posts: 80
Re: Trouble accessing data partition after mounting with liveUSB/genfstab
Sorry for the vague post. I am trying to use a partition that I previously made for data storage which I had planned to share with 2 other linux distributions which would have to be symlinked, bindmounted, or mounted as stated by some fellows here. I had been content for some time without having to use the extra space until recently. I tried to do a symbolic link with ln -s after reading in the man page that -s was the flag to create a symbolic link rather than a hard link. After that didn't appear to be working (i.e. I had no access to the extra space) I attempted to use my liveUSB to remount each relevant mount point (/mnt, /mnt/home, /mnt/boot, /mnt/home/Data) and then to recreate my fstab file.
mount ouput
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
sys on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
dev on /dev type devtmpfs (rw,nosuid,relatime,size=4016860k,nr_inodes=1004215,mode=755)
run on /run type tmpfs (rw,nosuid,nodev,relatime,mode=755)
efivarfs on /sys/firmware/efi/efivars type efivarfs (rw,nosuid,nodev,noexec,relatime)
/dev/sda2 on / type ext4 (rw,relatime)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)
cgroup2 on /sys/fs/cgroup/unified type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate)
cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,name=systemd)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
bpf on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct)
cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids)
cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls,net_prio)
cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb)
cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory)
cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)
cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event)
cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)
cgroup on /sys/fs/cgroup/rdma type cgroup (rw,nosuid,nodev,noexec,relatime,rdma)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=25,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=17487)
mqueue on /dev/mqueue type mqueue (rw,relatime)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,relatime)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
configfs on /sys/kernel/config type configfs (rw,relatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev)
/dev/sda1 on /boot type vfat (rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro)
/dev/sda3 on /home type ext4 (rw,relatime)
/dev/sda8 on /home/Data type ext4 (rw,relatime)
tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=804728k,mode=700,uid=1000,gid=998)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
gvfsd-fuse on /run/user/1000/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=1000,group_id=998)mount | grep /dev/sda
/dev/sda2 on / type ext4 (rw,relatime)
/dev/sda1 on /boot type vfat (rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro)
/dev/sda3 on /home type ext4 (rw,relatime)
/dev/sda8 on /home/Data type ext4 (rw,relatime)stat /home/Data
File: /home/Data
Size: 4096 Blocks: 8 IO Block: 4096 directory
Device: 808h/2056d Inode: 2 Links: 3
Access: (0755/drwxr-xr-x) Uid: ( 0/ root) Gid: ( 0/ root)
Access: 2019-01-31 13:12:08.202450663 -0600
Modify: 2019-01-31 13:02:35.000000000 -0600
Change: 2019-01-31 13:02:35.000000000 -0600
Birth: -Just to be clear, I want my data partition to be properly utilized just like the home partition is, while keeping in mind that sharing the data partition with more than one distribution could cause problems, as was explained to me in the other thread. I expected that my attempt to 'ln -s' or to mount the partition would have worked. What I see is a small amount of space from Disk Usage utility (4kb approximately) and permission denied when using some commands.
After looking around a bit more I noticed that I have been forgetting the implied /mnt where the root filesystem begins when making some directories.
I had confused /home/Data and /home/zhme/Data ---
I used ln -sf Data /home/Data to symbolically link (hopefully) and this is the output of stat after this was done.
stat /home/Data
File: /home/Data
Size: 4096 Blocks: 8 IO Block: 4096 directory
Device: 808h/2056d Inode: 2 Links: 3
Access: (0755/drwxr-xr-x) Uid: ( 0/ root) Gid: ( 0/ root)
Access: 2019-02-01 11:09:10.262475010 -0600
Modify: 2019-02-01 11:08:53.279259734 -0600
Change: 2019-02-01 11:08:53.279259734 -0600
Birth: -stat /home/zhme/Data
File: /home/zhme/Data
Size: 4096 Blocks: 8 IO Block: 4096 directory
Device: 803h/2051d Inode: 525832 Links: 2
Access: (0755/drwxr-xr-x) Uid: ( 1000/ zhme) Gid: ( 998/ wheel)
Access: 2019-02-01 11:10:03.715439611 -0600
Modify: 2019-02-01 11:09:29.722340305 -0600
Change: 2019-02-01 11:09:29.722340305 -0600
Birth: -I hope that I have posted relevant information and stated my question more clearly, please forgive me if otherwise and I'll try to fix it!
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#5 2019-02-01 17:30:50
- seth
- Member
- From: Won't reply 2 private help req
- Registered: 2012-09-03
- Posts: 78,659
Re: Trouble accessing data partition after mounting with liveUSB/genfstab
/home/zhme/Data is a directory but I assume you'd like it to be a symlink to /home/Data?
Ensure the directory is empty, then rename or remove it and re-attempt "ln -s /home/Data ~/Data " (see the ln manpage, the first path is the target, the second one the link)
Ftr, you cannot hardlink directories.
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#6 2019-02-01 18:51:22
- Zhme
- Member
- Registered: 2017-06-11
- Posts: 80
Re: Trouble accessing data partition after mounting with liveUSB/genfstab
So I deleted my users Data file and used ln -sf /home/Data ~/Data which created (and hopefully) symlinked the two locations. Apparently I misinterpreted the meaning of directory and target in the man page and assumed the target was the source you plan on linking to. After removing the current blunder and linking to a new and useful path I tried to "touch ~/Data file.txt" and got the error,
touch: cannot touch 'Data/file.txt': Permission deniedI issued sudo to complete the command but I worry that the permission may cause future problems O.o
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#7 2019-02-01 20:42:34
- seth
- Member
- From: Won't reply 2 private help req
- Registered: 2012-09-03
- Posts: 78,659
Re: Trouble accessing data partition after mounting with liveUSB/genfstab
sudo chown -R <your_user>:<your_group> /home/DataOffline