[LU-1423] 16K pagesize clients error during ls

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.3.0, Lustre 2.1.3
• Affects Version/s: Lustre 2.1.1, Lustre 1.8.6
• Environment: clients = ia64 (16Kpagesize) lustre-1.8.6.81-5.1nas; server = x86(4kpagesize) lustre-2.1.1
• Severity: 2
• Assignee: Yang Sheng
• Reporter: Mahmoud Hanafi

Description

Mounting a lustre2.1.1 filesystem on a 1.8.6 client doing a ls will fail with the following error on the client logs.

LustreError: 2551436:0:(mdc_request.c:983:mdc_readpage()) Unexpected # bytes transferred: 4096 (16384 expected)
LustreError: 2556239:0:(mdc_request.c:983:mdc_readpage()) Unexpected # bytes transferred: 4096 (16384 expected)
LustreError: 2556239:0:(dir.c:949:ll_readdir_20()) error reading dir [0x12480001:0xc1bc1b0c:0x0] at 0: rc -71

Issue Links

• Trackbacks: Lustre 1.8.x known issues tracker While testing against Lustre b18 branch, we would hit known bugs which were already reported in Lustre Bugzilla https://bugzilla.lustre.org/. In order to move away from relying on Bugzilla, we would create a JIRA
• Trackbacks: Changelog 2.1 Changes from version 2.1.2 to version 2.1.3 Server support for kernels: 2.6.18308.13.1.el5 (RHEL5) 2.6.32279.2.1.el6 (RHEL6) Client support for unpatched kernels: 2.6.18308.13.1.el5 (RHEL5) 2.6.32279.2.1....