TCB13
DD-WRT User
Joined: 06 Jun 2010
Posts: 260
Location: Portugal
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 Posted: Mon Mar 20, 2023 15:56 Post subject: |
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| dale_gribble39 wrote: | | Holding onto old practices after past issues were resolved is pointless. Seems to be the norm around here, though. |
If I may, how are they solved? If you go into the UI and enable /jffs, /opt with UUIDs and you also have another partition you wish to be auto-mounted you'll have issues. Your 3rd partition will end up in paths like /mnt/sdb1 or /mnt/sda1 etc that WILL randomly change at every boot.
The situation is indeed fixed for jffs and opt but not for other automatic mounts.
I see two possible solutions for the problem above:
1. let the user manually assign mount points (/mnt/xxx) to volume UUIDs. (A similar UI to the "Static Leases" but for mounts).
2. automatically mount the drives by UUID like Linux does instead of using the device name.
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1x Netgear R7800 (latest); 3x Netgear R7000 (latest); 2x Asus RT-N16 (v3.0-r47656); 2x Fonera 2100 (v3.0-r45454). |
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Alozaros
DD-WRT Guru
Joined: 16 Nov 2015
Posts: 6436
Location: UK, London, just across the river..
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| Posted: Mon Mar 20, 2023 19:55 Post subject: |
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well...on multi-partitioned disk what is the problem if your other partitions are
mounted to /mnt/sdb1 or /mnt/sda1..
On lunux based OS which is DDWRT, do you use non native FS like,
FAT32 or NTFS and ect. why...or do you have more than one /opt and /jffs.. again why ??
Most of the Linux distros will always mount non native partitions as /mnt/sdb1 or /mnt/sda1..and ect.
So, you are compromising the DDWRT system, than trying to fix it. 
For DDWRT its best to use native linux formats..ext2, ext3 or ext4...all the others are prone to a mess..
I used to have /jffs /opt and another ntfs with no troubles for years, 3 partitions and it was ok...but now i have only 2 /jffs and /opt all using ext2 or ext3 on my other routers...basically ext2,3 for thumb drives and ext4 for hdd, sdd should be ok...
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Last edited by Alozaros on Mon Mar 20, 2023 20:41; edited 1 time in total |
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ho1Aetoo
DD-WRT Guru
Joined: 19 Feb 2019
Posts: 2972
Location: Germany
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| Posted: Mon Mar 20, 2023 20:12 Post subject: |
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In linux systems you usually have an /etc/fstab where you can configure where which device is mounted.
Linux systems usually also have udev, udev creates device files in /dev/disk
:~$ ls -la /dev/disk/
total 0
drwxr-xr-x 8 root root 160 Mar 20 09:59 .
drwxr-xr-x 21 root root 5240 Mar 20 17:04 ...
drwxr-xr-x 2 root root 1040 Mar 20 09:59 by-id
drwxr-xr-x 2 root root 300 Mar 20 09:59 by-label
drwxr-xr-x 2 root root 80 Mar 20 09:59 by-partlabel
drwxr-xr-x 2 root root 320 Mar 20 09:59 by-partuuid
drwxr-xr-x 2 root root 600 Mar 20 09:59 by-path
drwxr-xr-x 2 root root 360 Mar 20 09:59 by-uuid
with the device files you can easily mount the drives...
mount /dev/disk/by-uuid/5acdf48a-c75b-11ed-afa1-0242ac120002 /tmp/blub
mount /dev/disk/by-label/bla /tmp/bla
I don't understand why dd-wrt doesn't offer this, it only supports /opt and /jjfs.
a modern stand alone "mount" binary can also mount by label or uuid...
| Code: | Source:
-L, --label <identifier> synonym for LABEL=<identifier>.
-U, --uuid <uuid> synonym for UUID=<uuid>
LABEL=<identifier> Specification of the device using file system identifier.
UUID=<uuid> Specification of the device by file system UUID
PARTLABEL=<identifier> Specification of the device by partition identifier
PARTUUID=<uuid> Specification of the device by partition UUID |
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MesMurized
DD-WRT User
Joined: 08 Aug 2017
Posts: 84
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| Posted: Tue Mar 21, 2023 6:14 Post subject: |
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Would be great to extend USB mounting as suggested but it's been this way for years even with ext2/3/4. I've had automount issues ending up with multiple mounts to /opt. And never knew where the 3rd partition was mounted. All this crazy stuff and I stopped trying. Sure don't want important data mistakenly changed by a invalid mount.
Many have solved this with manual mount cmds in Startup, etc. There are several posts floating around with great suggestions. Just remember to carefully choose available cmds at boot. I use blkid.
Good luck.
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