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Re: Fstab Questions (Final time)

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On Sun 17 Mar 2019 at 05:24:05 (-0700), Charlie Kravetz wrote:
> On Sun, 17 Mar 2019 07:43:42 -0400 "Stephen P. Molnar" <s.molnar@sbcglobal.net> wrote:
> 
> >At least I hope it's the final time.
> >
> >
> >I know that I have posted this question before, but due to reinstalling 
> >the OS, I have a clean slate at this point. Now, I've done quite a bit 
> >of goggling and utubing and I want to be sure that I'm not going to 
> >crash the system when I add two drives to the fstab.
> >
> >Here is my current drive structure:
> >
> >
> >NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
> >sda 8:0 0 465.8G 0 disk
> >├─sda1 8:1 0 457.9G 0 part /
> >├─sda2 8:2 0 1K 0 part
> >└─sda5 8:5 0 7.9G 0 part [SWAP]
> >sdb 8:16 0 1.8T 0 disk
> >├─sdb1 8:17 0 1.8T 0 part
> >├─sdb2 8:18 0 1K 0 part
> >└─sdb5 8:21 0 7.9G 0 part
> >sdc 8:32 0 465.8G 0 disk
> >└─sdc1 8:33 0 465.8G 0 part
> >sr0 11:0 1 1024M 0 rom
> >
> >sdc is a new SSD and I formatted it with only one partition. sdb still 
> >has a previous OS that I intend removing.
> >
> >Here are the the results of blkid:
> >
> >/dev/sda1: UUID="71f1ed49-9178-4bbc-b872-510f7982e245" TYPE="ext4" 
> >PARTUUID="1435f170-01"
> >/dev/sda5: UUID="4b041dec-d00f-4acf-a731-f6a34d885105" TYPE="swap" 
> >PARTUUID="1435f170-05"
> >/dev/sdc1: UUID="1f363165-2c59-4236-850d-36d1e807099e" TYPE="ext4" 
> >PARTUUID="eb2be395-01"
> >/dev/sdb1: UUID="900b5f0b-4f3d-4a64-8c91-29aee4c6fd07" TYPE="ext4" 
> >PARTUUID="0bc7db76-01"
> >/dev/sdb5: UUID="7c386aca-a547-475f-8616-f7664f93c595" TYPE="swap" 
> >PARTUUID="0bc7db76-05"
> >
> >Here is the curerent fstab (missing exteraneous comment statements):
> >
> ># <file system> <mount point> <type> <options> <dump> <pass>
> ># / was on /dev/sda1 during installation
> >UUID=71f1ed49-9178-4bbc-b872-510f7982e245 / ext4 errors=remount-ro 0 1
> ># swap was on /dev/sda5 during installation
> >UUID=4b041dec-d00f-4acf-a731-f6a34d885105 none swap sw 0 0
> >/dev/sr0 /media/cdrom0 udf,iso9660 user,noauto 0 0
> >
> >Finally, here is what I am proposing adding to the fstab:
> >
> >UUID=900b5f0b-4f3d-4a64-8c91-29aee4c6fd07 /sdb1 ext4 rw,users,defaults 0 0
> >UUID=1f363165-2c59-4236-850d-36d1e807099e /sdc1 ext4 rw,users,defaults 0 0
> >
> >Note: I have added /sdb1 and /sdc1.
> >
> >The only questions at this point are:
> >1. Will these changes crash the system,and
> >2. Will I be able to read adn write to the added drives?
> 
> I am no expert, and they can correct me if I am wrong. Should "users"
> be singular, as in "user"?

That depends on the m.o. If Ethel mounts the disk each morning and
Ethan expects to unmount it in the afternoon, then "user" will
thwart him.

But in any case I can't see the point of having either, unless
accompanied by "noauto", because the OS will already have done
the deed. (I can see why the possibility is offered; just not a
corresponding scenario.)

The OP appears very timid about making this change, hence my
recommendation for the inclusion of "nofail" on any partition
that's not essential for the system to just run successfully.
Once there is confidence that the mounts are working ok, then
the nofail items could be removed, so that a successful boot
shows the system is ready to perform all its tasks (rather than
just being in a running state).

But I think I've editorialized too much already, so I'll leave
it there. (I'm no expert.)

Cheers,
David.

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Thread

Fstab Questions (Final time) "Stephen P. Molnar" <s.molnar@sbcglobal.net> - 2019-03-17 12:50 +0100
  Re: Fstab Questions (Final time) john doe <johndoe65534@mail.com> - 2019-03-17 13:40 +0100
  Re: Fstab Questions (Final time) Charlie Kravetz <charlie@keepingdreams.com> - 2019-03-17 13:50 +0100
    Re: Fstab Questions (Final time) David Wright <deblis@lionunicorn.co.uk> - 2019-03-17 15:10 +0100
  Re: Fstab Questions (Final time) David <bouncingcats@gmail.com> - 2019-03-17 22:50 +0100
  Re: Fstab Questions (Final time) Greg Wooledge <wooledg@eeg.ccf.org> - 2019-03-18 13:40 +0100
    Re: Fstab Questions (Final time) Dan Purgert <dan@djph.net> - 2019-03-18 14:10 +0100
      Re: Fstab Questions (Final time) rhkramer@gmail.com - 2019-03-18 14:30 +0100
        Re: Fstab Questions (Final time) Dan Purgert <dan@djph.net> - 2019-03-18 15:10 +0100
          Re: Fstab Questions (Final time) "Stephen P. Molnar" <s.molnar@sbcglobal.net> - 2019-03-18 16:20 +0100
            Re: Fstab Questions (Final time) Dan Ritter <dsr@randomstring.org> - 2019-03-18 16:40 +0100
              Re: Fstab Questions (Final time) "Stephen P. Molnar" <s.molnar@sbcglobal.net> - 2019-03-18 19:40 +0100
                Re: Fstab Questions (Final time) Dan Ritter <dsr@randomstring.org> - 2019-03-18 20:00 +0100
                Re: Fstab Questions (Final time) "Stephen P. Molnar" <s.molnar@sbcglobal.net> - 2019-03-18 20:50 +0100
          Re: Fstab Questions (Final time) rhkramer@gmail.com - 2019-03-18 16:40 +0100
      Re: Fstab Questions (Final time) Michael Stone <mstone@debian.org> - 2019-03-18 15:00 +0100
        Re: Fstab Questions (Final time) rhkramer@gmail.com - 2019-03-18 16:30 +0100

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