尝试将文件归档到 CloudPools 时CBM_READ_ONLY_ERROR记录错误

将文件归档到 CloudPools 时，任何群集节点上的日志文件 /var/log/messages 或 /var/log/isi_cpool_d.log 中都会遇到类似于以下内容的错误。

2018-01-17T08:20:24+01:00 <0.3> Isilon-5 /boot/kernel.amd64/kernel: [bam_cpool.c:327](pid 4695="isi_cpool_d")(tid=101280) bam_cpool_update_attr: 
failure to update cpool attr ifsus_cpool_map_size for 1:8b51:0e9b::HEAD, error 30

2018-01-17T08:20:24+01:00 <0.3> isilon-5 /boot/kernel.amd64/kernel: [bam_cpool.c:363](pid 4695="isi_cpool_d")(tid=101280) bam_cpool_stub_map_write: 
failure to write cpool map size for 1:8b51:0e9b::HEAD, error 30

2018-01-17T08:20:24+01:00 <0.3> Isilon-5 /boot/kernel.amd64/kernel: [bam_cpool.c:1141](pid 4695="isi_cpool_d")(tid=101280) bam_cpool_stub_file_common: 
Failed write of stub map to EA for 1:8b51:0e9b::HEAD, error 30

2018-01-17T08:21:29+01:00 <3.3> isilon-5 isi_cpool_d[4695]: [0x80ee8dc10]: /b/mnt/src/isilon/lib/isi_cpool_d/task_processing_thread_pool.cpp:run_consumer_function:196: 
run_consumer_function complete for task ([archive/1:8ab8:0181::HEAD]/FPP_Name): Invalid attempt to stub read only FS; lin 1:8ab8:0181: [error code: CBM_READ_ONLY_ERROR]     
from write_map_core (/b/mnt/src/isilon/lib/isi_cpool_cbm/isi_cbm_mapper.cpp:1610)     from write_map (/b/mnt/src/isilon/lib/isi_cpool_cbm/isi_cbm_mapper.cpp:1653)     
from isi_cph_create_stub (/b/mnt/src/isilon/lib/isi_cpool_cbm/isi_cbm_archive.cpp:1073)     from isi_cbm_archive_common (/b/mnt/src/isilon/lib/isi_cpool_cbm/isi_cbm_archive.cpp:934)     
from isi_cbm_archive (/b/mnt/src/isilon/lib/isi_cpool_cbm/isi_cbm_archive.cpp:312)

2018-01-17T08:21:29+01:00 <0.3> Isilon-5 /boot/kernel.amd64/kernel: [bam_cpool.c:327](pid 4695="isi_cpool_d")(tid=101278) bam_cpool_update_attr: failure to update cpool 
attr ifsus_cpool_map_size for 1:8ab8:0181::HEAD, error 30

2018-01-17T08:21:29+01:00 <0.3> Isilon-5 /boot/kernel.amd64/kernel: [bam_cpool.c:363](pid 4695="isi_cpool_d")(tid=101278) bam_cpool_stub_map_write: failure to write cpool map size for 1:8ab8:0181::HEAD, error 30

2018-01-17T13:13:17-04:00 <3.3> isilon-1 isi_cpool_d[3034]: [0x80fe26310]: /b/mnt/src/isilon/lib/isi_cpool_d/task_processing_thread_pool.cpp:run_consumer_function:351: 
run_consumer_function complete for task ([archive/1:abcd:1234::HEAD]/Archive to S3): Lin 1:abcd:1234 is WORM committed: [error code: CBM_PERM_ERROR]     
from isi_cbm_archive (/b/mnt/src/isilon/lib/isi_cpool_cbm/isi_cbm_archive.cpp:295)

这些消息表明，由于文件、目录路径、节点或群集处于只读状态，所需的任务无法执行。 

调查群集或节点处于只读状态的原因。

发生这种情况的最常见原因是归档的目标目录是 SyncIQ 目标路径或 WORM 目录。这些路径无法智能链接（因为它们是只读的）。如果 SyncIQ 目标目录中需要智能链接文件，则必须先归档源群集上的文件。然后，可以使用 SyncIQ 将智能链接文件同步到灾难恢复 （DR） 或目标群集。