[LU-6421] Failed to set max_pages_per_rpc permanently Created: 02/Apr/15  Updated: 14/Jun/18  Resolved: 27/Apr/15

Status: Resolved
Project: Lustre
Component/s: None
Affects Version/s: Lustre 2.5.3
Fix Version/s: Lustre 2.8.0

Type: Bug Priority: Minor
Reporter: wu libin (Inactive) Assignee: Emoly Liu
Resolution: Fixed Votes: 1
Labels: patch

Issue Links:
Related
Severity: 3
Rank (Obsolete): 9223372036854775807

 Description   

1. get value of max_pages_per_rpc

  1. lctl get_param osc.*.max_pages_per_rpc
    osc.server-OST0000-osc-ffff8800901b9800.max_pages_per_rpc=256

2. set it permanently with the value 1024

  1. lctl set_param -P osc.*.max_pages_per_rpc=1024
  2. lctl get_param osc.*.max_pages_per_rpc
    osc.server-OST0000-osc-ffff8800901b9800.max_pages_per_rpc=1024

3. remount OSTs and lustre client

4. get the value of max_pages_per_rpc again

  1. lctl get_param osc.*.max_pages_per_rpc
    osc.server-OST0000-osc-ffff88062e2a2800.max_pages_per_rpc=256

The value not changed.

 Comments   
Comment by Gerrit Updater [ 02/Apr/15 ]

Wu Libin (gnlwlb@gmail.com) uploaded a new patch: http://review.whamcloud.com/14333
Subject: LU-6421 osc: fix bug when setting max_pages_per_rpc
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 104333dd6b2ff40b52655672cb2b3c2a0c196f01

Comment by Peter Jones [ 02/Apr/15 ]

Emoly

Could you please take care of this patch?

Thanks

Peter

Comment by Gerrit Updater [ 27/Apr/15 ]

Oleg Drokin (oleg.drokin@intel.com) merged in patch http://review.whamcloud.com/14333/
Subject: LU-6421 osc: fix bug when setting max_pages_per_rpc
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 59efcfeb109edd2c695ce961fb8c872d9c515116

Comment by Peter Jones [ 27/Apr/15 ]

Landed for 2.8

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