[LU-943] Error -524 when mount 2.2 client to 2.1 server

• Type: Bug
• Resolution: Duplicate
• Priority: Minor
• Affects Version/s: Lustre 2.2.0
• Environment: Client: lustre-client-modules-2.1.52-2.6.32_131.6.1.el6.x86_64_gd97a613.x86_64 (lustre-master build #358); MDS/MGS:lustre-modules-2.1.0-2.6.32_131.6.1.el6_lustre.g65156ed.x86_64_g0356a23.x86_64 (lustre-b2_1 build #7)
• Severity: 3
• Assignee: Zhenyu Xu
• Reporter: Sarah Liu

Description

Got this when I tried to mount client
[root@client-15 ~]# mount -t lustre -o flock fat-amd-1:/lustre /mnt/lustre
mount.lustre: mount fat-amd-1:/lustre at /mnt/lustre failed: Unknown error 524

Syslog:
Lustre: Lustre: Build Version: jenkins-gd97a613-PRISTINE-2.6.32-131.6.1.el6.x86_64
Lustre: Added LNI 10.10.4.15@tcp [8/256/0/180]
Lustre: Accept secure, port 988
Lustre: Lustre OSC module (ffffffffa07049a0).
Lustre: Lustre LOV module (ffffffffa0771260).
Lustre: Lustre client module (ffffffffa0811b20).
Lustre: import MGC10.10.4.132@tcp->MGC10.10.4.132@tcp_0 netid 20000: select flavor null
Lustre: MGC10.10.4.132@tcp: Reactivating import
LustreError: 11-0: an error occurred while communicating with 10.10.4.132@tcp. The mgs_config_read operation failed with -524
LustreError: 1952:0:(mgc_request.c:1911:mgc_process_config()) Cannot process recover llog -524
LustreError: 15c-8: MGC10.10.4.132@tcp: The configuration from log 'lustre-client' failed (-524). This may be the result of communication errors between this node and the MGS, a bad configuration, or other errors. See the syslog for more information.
LustreError: 1952:0:(llite_lib.c:949:ll_fill_super()) Unable to process log: -524
LustreError: 1960:0:(lov_obd.c:927:lov_cleanup()) lov tgt 0 not cleaned! deathrow=0, lovrc=1
LustreError: 1952:0:(ldlm_request.c:1173:ldlm_cli_cancel_req()) Got rc -108 from cancel RPC: canceling anyway
LustreError: 1952:0:(ldlm_request.c:1800:ldlm_cli_cancel_list()) ldlm_cli_cancel_list: -108
LustreError: 1952:0:(ldlm_request.c:1173:ldlm_cli_cancel_req()) Got rc -108 from cancel RPC: canceling anyway
LustreError: 1952:0:(ldlm_request.c:1800:ldlm_cli_cancel_list()) ldlm_cli_cancel_list: -108
Lustre: client ffff8803273b8800 umount complete
LustreError: 1952:0:(obd_mount.c:2306:lustre_fill_super()) Unable to mount (-524)

Issue Links

• Trackbacks: Lustre 2.2.0 mini release testing tracker Lustre 2.2.0 Mini Release Tag: 2.1.52.0 Build: https://newbuild.whamcloud....
• Trackbacks: Lustre 2.2.0 release testing tracker Lustre 2.2.0 RC1  Tag: 2.2.0RC1 Build: https://build.whamcloud.com/job/lustreb22/11/ Google doc: https://docs.google.com/a/whamcloud.com/spreadsheet/ccc?key=0AkK5hBTd2cvHdDFsSWt2RlBocE5kdi03OUYtX21ZYkE#gid=3 Lustre 2.2....