[LU-7718] lfs getstripe does not work on bind mount

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.9.0
• Affects Version/s: Lustre 2.8.0
• Labels: patch

Epic/Theme

patch

• Severity: 3
• Assignee: WC Triage
• Reporter: Vinayak (Inactive)

Description

Found that lfs getstripe on lustre bind mount fails to return the attributes.

Here are the steps to reproduce the problem.

/mnt/lustre is lustre mount point

1. mkdir /mnt/lustre/dir

1. mount --bind /mnt/lustre /home/bind/

1. ls /home/bind/
   dir

1. lfs getstripe /home/bind//dir/
   /home/bind//dir/
   can't find fs root for '/home/bind/dir': -19
   Cannot determine default stripe count.: No such device (19)
   can't find fs root for '/home/bind/dir': -19
   Cannot determine default stripe size.: No such device (19)
   stripe_count: stripe_size: stripe_offset: -1