Question

Linux limited size shared folder

Asked by: ahfaris

How to specify shared folder size in linux for all users , I don't mean user quota I mean one folder with specific size limit for all user .

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Asked On
2009-07-04 at 01:32:24ID24543636
Tags

linux

Topic

Linux Networking

Participating Experts
2
Points
500
Comments
3

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Answers

 

by: BuckmeisterPosted on 2009-07-04 at 05:17:34ID: 24776712

Hi ahfaris,

what do mean with shared?
Is it shared over the network via NFS or SMB etc. or do multiple local users share this folder?

Kind Regards,
Buckmeister

 

by: ahfarisPosted on 2009-07-04 at 23:07:38ID: 24778982

Yes i use smb and want to set quota per folder not per user , so the folder will not exceed specified size no matter who access and save to it

 

by: it4sohoPosted on 2009-07-06 at 08:31:46ID: 24786209

Quotas are a function of the filesystem being used...
- If you format and mount the drive in FAT32, there is no quota option at all!
- If you format and mount the drive in EXT3, there is a quota system available SOLELY for the entire filesystem
   - NOTE: You could also create "virtual" filesystems within that environment -- lots of overhead, little value (IMHO)
- If you format and mount the drive in XFS, you can create quotas for any part of the "directory tree"
   - See http://linux.die.net/man/8/xfs_quota
      and scroll down to the "Directory Tree Quota" portion of the man page

This should give you what you want... however, to make it CLEANER, you'll also want to re-compile Samba with the Quota options on (so Samba will be able to properly report quota info to users, instead of just "failing" when they go over quota -- and you KNOW they will!)

See the output of "smbd -b | grep QUOTA" and you should get lines that read:
  HAVE_SYS_QUOTA_H             # this is for the system headers to access Quotas
  HAVE_LINUX_XFS_QUOTAS    # 1 of 2 XFS entries you need to see
  HAVE_QUOTACTL_LINUX        # which allows Samba Admins to adjust quotas
  HAVE_SYS_QUOTAS               # turns on Samba's Quota interface for EXT2 / ETX3
  HAVE_XFS_QUOTAS               # turns on Samba's Quota interface for XFS
  WITH_QUOTAS                       # shows how you turned on the above! :-)
 
If you don't have the HAVE_* lines above, then you'll need to re-compile Samba WITH them! (And that's a lot more work than I'm showing in this posting!)

Good luck!

Dan
IT4SOHO

20120131-EE-VQP-002

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