【filestore】源码剖析
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osd_data
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"/var/lib/ceph/osd/$cluster-$id"
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path to OSD data
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osd_journal
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"/var/lib/ceph/osd/$cluster-$id/journal"
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path to OSD journal (when FileStore backend is in use)
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osd_journal_size
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5120
|
size of FileStore journal (in MiB)
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| osd_os_flags | 0 | flags to skip filestore omap or journal initialization |
filestore journal parallel
| 描述: | 允许并行记日志，对 btrfs 默认开。允许并行记日志，对 btrfs 默认开 |
|---|---|
| 类型: | Boolean |
| 是否必需: | No |
| 默认值: | false |
filestore journal writeahead
| 描述: | 允许预写日志，对 xfs 默认开。 |
|---|---|
| 类型: | Boolean |
| 是否必需: | No |
| 默认值: | false |
filestore journal trailing
| 描述: | 过时了，从没用过。 |
|---|---|
| 类型: | Boolean |
| 是否必需: | No |
| 默认值: | false |
| filestore_omap_backend | rocksdb |
