[LU-7590] After downgrade system from master RHEL7 to 2.5.5 RHEL6.6, hit cannot access /mnt/lustre: Permission denied

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Affects Version/s: Lustre 2.8.0
• Environment: before upgrade: 2.5.5 RHEL6.6 ldiskfs; after upgrade: master build # 3264 RHEL7
• Severity: 3
• Assignee: Dmitry Eremin (Inactive)
• Reporter: Sarah Liu

Description

after clean downgrade from master/ #3264 RHEL7 to 2.5.5 RHEL6.6, cannot access /mnt/lustre This issue also happened with zfs

client console

[root@onyx-27 ~]# mount
/dev/sda1 on / type ext3 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
nfsd on /proc/fs/nfsd type nfsd (rw)
onyx-25:/lustre on /mnt/lustre type lustre (rw,user_xattr)
[root@onyx-27 ~]# pwd
/root
[root@onyx-27 ~]# ls /mnt/luLustreError: 11808:0:(mdc_locks.c:918:mdc_enqueue()) ldlm_cli_enqueue: -13
LustreError: 11808:0:(file.c:3128:ll_inode_revalidate_fini()) lustre: revalidate FID [0x200000007:0x1:0x0] error: rc = -13
stre 
ls: cannot access /mnt/lustre: Permission denied
[root@onyx-27 ~]# 

MDS dmesg

alg: No test for crc32 (crc32-pclmul)
Lustre: Lustre: Build Version: 2.5.5-RC2--PRISTINE-2.6.32-504.23.4.el6_lustre.x86_64
LNet: Added LNI 10.2.4.47@tcp [8/256/0/180]
LNet: Accept secure, port 988
LDISKFS-fs (sdb1): mounted filesystem with ordered data mode. quota=on. Opts: 
Lustre: MGC10.2.4.47@tcp: Connection restored to MGS (at 0@lo)
Lustre: lustre-MDT0000: used disk, loading
LustreError: 11-0: lustre-MDT0000-lwp-MDT0000: Communicating with 0@lo, operation mds_connect failed with -11.
LustreError: 11876:0:(lfsck_namespace.c:154:lfsck_namespace_load()) lustre-MDT0000-o: fail to load lfsck_namespace, expected = 256, rc = 4
Lustre: lustre-MDT0000-lwp-MDT0000: Connection restored to lustre-MDT0000 (at 0@lo)
Lustre: 11949:0:(client.c:1943:ptlrpc_expire_one_request()) @@@ Request sent has timed out for slow reply: [sent 1450734129/real 1450734129]  req@ffff88082d934c00 x1521204989001764/t0(0) o8->lustre-OST0000-osc-MDT0000@10.2.4.56@tcp:28/4 lens 400/544 e 0 to 1 dl 1450734134 ref 1 fl Rpc:XN/0/ffffffff rc 0/-1
Lustre: 11949:0:(client.c:1943:ptlrpc_expire_one_request()) @@@ Request sent has timed out for slow reply: [sent 1450734154/real 1450734154]  req@ffff88082d934400 x1521204989001888/t0(0) o8->lustre-OST0000-osc-MDT0000@10.2.4.56@tcp:28/4 lens 400/544 e 0 to 1 dl 1450734164 ref 1 fl Rpc:XN/0/ffffffff rc 0/-1
Lustre: 11949:0:(client.c:1943:ptlrpc_expire_one_request()) @@@ Request sent has timed out for slow reply: [sent 1450734169/real 1450734169]  req@ffff88082d473000 x1521204989001916/t0(0) o8->lustre-OST0000-osc-MDT0000@10.2.4.56@tcp:28/4 lens 400/544 e 0 to 1 dl 1450734184 ref 1 fl Rpc:XN/0/ffffffff rc 0/-1
Lustre: lustre-OST0000-osc-MDT0000: Connection restored to lustre-OST0000 (at 10.2.4.56@tcp)
LustreError: 12091:0:(mdt_identity.c:136:mdt_identity_do_upcall()) lustre-MDT0000: error invoking upcall /sbin/l_getidentity lustre-MDT0000 0: rc -2; check /proc/fs/lustre/mdt/lustre-MDT0000/identity_upcall, time 312us
[root@onyx-25 ~]#