ISCSI OCFS2 Cluster

[Hean Seng <he...@gmail.com>]

Hi

I am trying on OCFS2 Cluster mount over ISCSI .


Manange to get it configured and up , but whenever i do a write on it,
 the Kernel Hang.

I am using Ubuntu 18,  anybody have clue on this :

Sep 17 09:14:36 os-compute-01 kernel: [  673.852812] BUG: unable to handle
> kernel paging request at 000008e0000008a8
> Sep 17 09:14:36 os-compute-01 kernel: [  673.852860] IP:
> _raw_spin_lock+0x10/0x30
> Sep 17 09:14:36 os-compute-01 kernel: [  673.852876] PGD 0 P4D 0
> Sep 17 09:14:36 os-compute-01 kernel: [  673.852889] Oops: 0002 [#1] SMP
> PTI
> Sep 17 09:14:36 os-compute-01 kernel: [  673.852905] Modules linked in:
> ocfs2 quota_tree ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager
> ocfs2_stackglue bridge ipmi_ssif intel_rapl sb_edac x86_pkg_temp_thermal
> intel_powerclamp coretemp kvm_intel kvm irqbypass intel_cstate dcdbas
> joydev input_leds intel_rapl_perf ipmi_si ipmi_devintf lpc_ich
> ipmi_msghandler mei_me mei ioatdma shpchp acpi_pad mac_hid sch_fq_codel
> ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi
> scsi_transport_iscsi 8021q garp mrp stp llc bonding ip_tables x_tables
> autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy
> async_pq async_xor async_tx xor hid_generic usbhid hid raid6_pq libcrc32c
> raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul
> ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper
> cryptd
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853133]  ast ttm
> drm_kms_helper ixgbe syscopyarea sysfillrect sysimgblt fb_sys_fops mdio igb
> drm ahci dca libahci i2c_algo_bit ptp pps_core wmi [last unloaded:
> ocfs2_nodemanager]
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853190] CPU: 27 PID: 3337
> Comm: cp Not tainted 4.15.0-117-generic #118-Ubuntu
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853216] Hardware name: Dell
> Inc. PowerEdge C6220 II/09N44V, BIOS 2.9.0 6/8/2018
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853243] RIP:
> 0010:_raw_spin_lock+0x10/0x30
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853260] RSP:
> 0018:ffffbbd88deaf9a8 EFLAGS: 00010246
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853280] RAX:
> 0000000000000000 RBX: 000008e000000820 RCX: 00000000ffffffff
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853304] RDX:
> 0000000000000001 RSI: 0000000000000009 RDI: 000008e0000008a8
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853327] RBP:
> ffffbbd88deaf9a8 R08: 0000000000000000 R09: 0000000000000000
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853351] R10:
> 0000000000008000 R11: 000000007465722e R12: 000008e0000008a8
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853375] R13:
> ffff9b55d1fb0fd0 R14: ffff9b55d80d7a08 R15: 00000000ffffffff
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853399] FS:  00007f7873447800(0000)
> GS:ffff9b55df4c0000(0000) knlGS:0000000000000000
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853425] CS:  0010 DS: 0000
> ES: 0000 CR0: 0000000080050033
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853445] CR2:
> 000008e0000008a8 CR3: 0000002ffa588004 CR4: 00000000001606e0
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853469] Call Trace:
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853488]  igrab+0x1e/0x50
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853549]  ocfs2_get_system_file_inode+0x67/0x2f0
> [ocfs2]
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853588]  ?
> ocfs2_metadata_cache_io_unlock+0x1f/0x30 [ocfs2]
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853623]  ?
> ocfs2_read_blocks+0x413/0x640 [ocfs2]
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853657]  ocfs2_reserve_suballoc_bits+0x4d/0x420
> [ocfs2]
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853690]  ocfs2_steal_resource+0x7d/0xf0
> [ocfs2]
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853721]  ocfs2_reserve_new_inode+0x183/0x3d0
> [ocfs2]
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853755]  ocfs2_mknod+0x583/0x1050
> [ocfs2]
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853786]  ocfs2_create+0x47/0x150
> [ocfs2]
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853805]  ?
> __inode_permission+0x5b/0x160
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853824]  ?
> apparmor_path_mknod+0x1e/0x20
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853841]
> path_openat+0x1529/0x18b0
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853857]  ?
> ioctl_preallocate+0x74/0xb0
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853875]
> do_filp_open+0x9b/0x110
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853892]  ?
> __check_object_size+0xc8/0x1b0
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853909]  ?
> __alloc_fd+0x46/0x170
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853924]
> do_sys_open+0x1ba/0x2c0
> Sep 17 09:14:36 os-compute-01 kernel: [  673.853939]  ?
> do_sys_open+0x1ba/0x2c0
> Sep 17 09:14:36 os-compute-01 kernel: [  673.854672]  SyS_openat+0x14/0x20
> Sep 17 09:14:36 os-compute-01 kernel: [  673.855393]
> do_syscall_64+0x73/0x130
> Sep 17 09:14:36 os-compute-01 kernel: [  673.856111]
> entry_SYSCALL_64_after_hwframe+0x41/0xa6
> Sep 17 09:14:36 os-compute-01 kernel: [  673.856819] RIP:
> 0033:0x7f7872918d9e
> Sep 17 09:14:36 os-compute-01 kernel: [  673.857511] RSP:
> 002b:00007fffb82c8430 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
> Sep 17 09:14:36 os-compute-01 kernel: [  673.858215] RAX:
> ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7872918d9e
> Sep 17 09:14:36 os-compute-01 kernel: [  673.858926] RDX:
> 00000000000000c1 RSI: 0000562cc7e38da0 RDI: 00000000ffffff9c
> Sep 17 09:14:36 os-compute-01 kernel: [  673.859643] RBP:
> 00007fffb82c88d0 R08: 00007fffb82c8aa0 R09: 0000000000000000
> Sep 17 09:14:36 os-compute-01 kernel: [  673.860343] R10:
> 00000000000001a4 R11: 0000000000000246 R12: 00007fffb82c8aa0
> Sep 17 09:14:36 os-compute-01 kernel: [  673.861025] R13:
> 0000000000000000 R14: 00007fffb82c8a00 R15: 00007fffb82ca835
> Sep 17 09:14:36 os-compute-01 kernel: [  673.861689] Code: ff 01 00 00 75
> 06 48 89 d8 5b 5d c3 e8 aa 12 72 ff 48 89 d8 5b 5d c3 0f 1f 40 00 0f 1f 44
> 00 00 55 48 89 e5 31 c0 ba 01 00 00 00 <f0> 0f b1 17 85 c0 75 02 5d c3 89
> c6 e8 8f fb 71 ff 66 90 5d c3
> Sep 17 09:14:36 os-compute-01 kernel: [  673.863032] RIP:
> _raw_spin_lock+0x10/0x30 RSP: ffffbbd88deaf9a8
> Sep 17 09:14:36 os-compute-01 kernel: [  673.863676] CR2: 000008e0000008a8
> Sep 17 09:14:36 os-compute-01 kernel: [  673.864331] ---[ end trace
> 081c42e3eb68c8cd ]---




-- 
Regards,
Hean Seng