[LU-6848] The Incorrect block size value of the restored files Created: 14/Jul/15  Updated: 10/Oct/21  Resolved: 10/Oct/21

Status: Resolved
Project: Lustre
Component/s: None
Affects Version/s: Lustre 2.5.3
Fix Version/s: None

Type: Bug Priority: Minor
Reporter: Pavel Papou Assignee: John Hammond
Resolution: Duplicate Votes: 0
Labels: None
Environment:

1 Server with mounted mgt, mdt, ost targets:
packages:
lustre-osd-ldiskfs-2.7.0-2.6.32_504.8.1.el6_lustre.x86_64.x86_64
lustre-2.7.0-2.6.32_504.8.1.el6_lustre.x86_64.x86_64
kernel-2.6.32-358.18.1.el6_lustre.x86_64
kernel-2.6.32-504.8.1.el6_lustre.x86_64
1 Client node:
packages:
kernel-2.6.32-358.18.1.el6_lustre.x86_64
lustre-client-2.7.0-2.6.32_504.8.1.el6.x86_64.x86_64
lustre-client-modules-2.7.0-2.6.32_504.8.1.el6.x86_64.x86_64

Issue Links:
Related
is related to LU-3833 HSM POSIX copytool sparse file handling Open
Severity: 3
Project: HSM
Rank (Obsolete): 9223372036854775807

 Description   

The block size of restored files is equal 1.
Issue is reproduced on virtual environment that consists:
-client based on CentOS release 6.6 (Final)
-server node with mgs, mds, oss roles

Steps to reproduce:
-run the lhsmtool_posix -A 5 -p /tmp/ /mnt/testfs/

  • archive file: lfs hsm_archive /mnt/testfs/test_ag
  • release file:[client3]# lfs hsm_release /mnt/testfs/test_ag
    [client3 ]# lfs hsm_state /mnt/testfs/test_ag
    /mnt/testfs/test_ag: (0x0000000d) released exists archived, archive_id:5
    [client3 ~]# stat /mnt/testfs/test_ag
    File: `/mnt/testfs/test_ag'
    Size: 5242880 Blocks: 1 IO Block: 4194304 regular file
    Device: 4b620ee0h/1264717536d Inode: 144115205255725082 Links: 1
    .....
  • restore file: [client3]# lfs hsm_restore /mnt/testfs/test_ag

[client3 ~]# lfs hsm_state /mnt/testfs/test_ag
/mnt/testfs/test_ag: (0x00000009) exists archived, archive_id:5
[client3 ~]# stat /mnt/testfs/test_ag
File: `/mnt/testfs/test_ag'
Size: 5242880 Blocks: 1 IO Block: 4194304 regular file
Device: 4b620ee0h/1264717536d Inode: 144115205255725082 Links: 1

Actual result:
File's block size=1.

 Comments   
Comment by Joseph Gmitter (Inactive) [ 14/Jul/15 ]

Hi John,

Could you look into this issue - appears to be HSM related.

Thanks.
Joe

Comment by John Hammond [ 14/Jul/15 ]

What you are seeing is likely due to the fact the the POSIX copytool does not attempt to detect or preserve sparseness during archive and restore.

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